diff --git a/test/test_config_domain.py b/test/test_config_domain.py
index 9eec43a..dd37e68 100644
--- a/test/test_config_domain.py
+++ b/test/test_config_domain.py
@@ -34,6 +34,7 @@ def test_domainname():
     c.f = 'd'
     c.f = 'd.t'
     #
+    raises(ValueError, "c.f = '192.168.1.1'")
     c.g = 'toto.com'
     c.g = '192.168.1.0'
     c.g = '192.168.1.29'
@@ -95,6 +96,7 @@ def test_domainname_warning():
     c.f = 'd'
     c.f = 'd.t'
     #
+    raises(ValueError, "c.f = '192.168.1.1'")
     c.g = 'toto.com'
     c.g = '192.168.1.0'
     c.g = '192.168.1.29'
diff --git a/tiramisu/option/option.py b/tiramisu/option/option.py
index 66f0290..fed1d72 100644
--- a/tiramisu/option/option.py
+++ b/tiramisu/option/option.py
@@ -503,6 +503,13 @@ class DomainnameOption(Option):
                 return
             except ValueError:
                 pass
+        else:
+            try:
+                IP('{0}/32'.format(value))
+            except ValueError:
+                pass
+            else:
+                raise ValueError(_('invalid domainname, must not be an IP'))
         if self._get_extra('_dom_type') == 'netbios':
             part_name_length = 15
         else:
diff --git a/translations/fr/tiramisu.po b/translations/fr/tiramisu.po
index 69adfcb..8f34f11 100644
--- a/translations/fr/tiramisu.po
+++ b/translations/fr/tiramisu.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Tiramisu\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2015-10-12 17:04+0200\n"
+"POT-Creation-Date: 2016-08-31 15:39+0200\n"
 "PO-Revision-Date: \n"
 "Last-Translator: Emmanuel Garette <egarette@cadoles.com>\n"
 "Language-Team: Tiramisu's team <egarette@cadoles.com>\n"
@@ -10,147 +10,137 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"X-Generator: Poedit 1.8.4\n"
+"X-Generator: Poedit 1.8.8\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 "X-Poedit-SourceCharset: UTF-8\n"
 
-#: tiramisu/autolib.py:176
-msgid ""
-"unable to carry out a calculation, option {0} has properties: {1} for: {2}"
-msgstr ""
-"impossible d'effectuer le calcul, l'option {0} a les propriétés : {1} pour : "
-"{2}"
+#: tiramisu/autolib.py:171
+msgid "unable to carry out a calculation, option {0} has properties: {1} for: {2}"
+msgstr "impossible d'effectuer le calcul, l'option {0} a les propriétés : {1} pour : {2}"
 
-#: tiramisu/config.py:61
+#: tiramisu/autolib.py:239
+msgid "callback cannot return a list for a slave option ({0})"
+msgstr "un calcul ne peut pas retourner une liste pour une option esclave ({0})"
+
+#: tiramisu/config.py:64
 msgid "descr must be an optiondescription, not {0}"
 msgstr "descr doit être une optiondescription pas un {0}"
 
-#: tiramisu/config.py:141
+#: tiramisu/config.py:148
 msgid "unknown group_type: {0}"
 msgstr "group_type inconnu: {0}"
 
-#: tiramisu/config.py:180 tiramisu/setting.py:326 tiramisu/value.py:54
-#: tiramisu/value.py:645
+#: tiramisu/config.py:187 tiramisu/setting.py:334 tiramisu/value.py:54 tiramisu/value.py:742
 msgid "the context does not exist anymore"
 msgstr "le context n'existe plus"
 
-#: tiramisu/config.py:185
+#: tiramisu/config.py:192
 msgid "no option description found for this config (may be GroupConfig)"
-msgstr ""
-"pas d'option description trouvé pour cette config (peut être un GroupConfig)"
+msgstr "pas d'option description trouvé pour cette config (peut être un GroupConfig)"
 
-#: tiramisu/config.py:213
+#: tiramisu/config.py:228
 msgid "can't assign to an OptionDescription"
 msgstr "ne peut pas attribuer une valeur à une OptionDescription"
 
-#: tiramisu/config.py:342
+#: tiramisu/config.py:379
 msgid "unknown type_ type {0}for _find"
 msgstr "type_ type {0} pour _find inconnu"
 
-#: tiramisu/config.py:382
+#: tiramisu/config.py:422
 msgid "no option found in config with these criteria"
 msgstr "aucune option trouvée dans la config avec ces critères"
 
-#: tiramisu/config.py:432
+#: tiramisu/config.py:470
 msgid "make_dict can't filtering with value without option"
 msgstr "make_dict ne peut filtrer sur une valeur mais sans option"
 
-#: tiramisu/config.py:451
+#: tiramisu/config.py:493
 msgid "unexpected path {0}, should start with {1}"
 msgstr "chemin imprévu {0}, devrait commencer par {1}"
 
-#: tiramisu/config.py:522
+#: tiramisu/config.py:567
 msgid "opt in getowner must be an option not {0}"
 msgstr "opt dans getowner doit être une option pas {0}"
 
-#: tiramisu/config.py:567
+#: tiramisu/config.py:615
 msgid "cannot serialize Config with MetaConfig"
 msgstr "impossible de sérialiser une Config avec une MetaConfig"
 
-#: tiramisu/config.py:581
+#: tiramisu/config.py:629
 msgid "this storage is not serialisable, could be a none persistent storage"
 msgstr "ce storage n'est sérialisable, devrait être une storage non persistant"
 
-#: tiramisu/config.py:645
+#: tiramisu/config.py:693
 msgid "invalid name: {0} for config"
 msgstr "nom invalide : {0} pour la config"
 
-#: tiramisu/config.py:676
+#: tiramisu/config.py:724
 msgid "groupconfig's children must be a list"
 msgstr "enfants d'une groupconfig doit être une liste"
 
-#: tiramisu/config.py:680
+#: tiramisu/config.py:728
 msgid "groupconfig's children must be Config, MetaConfig or GroupConfig"
-msgstr ""
-"les enfants d'un groupconfig doivent être des Config, MetaConfig ou "
-"GroupConfig"
+msgstr "les enfants d'un groupconfig doivent être des Config, MetaConfig ou GroupConfig"
 
-#: tiramisu/config.py:683
+#: tiramisu/config.py:731
 msgid "name must be set to config before creating groupconfig"
 msgstr "un nom doit être donné à la config avant de créer un groupconfig"
 
-#: tiramisu/config.py:691
+#: tiramisu/config.py:737
 msgid "config name must be uniq in groupconfig for {0}"
 msgstr "le nom de la config doit être unique dans un groupconfig pour {0}"
 
-#: tiramisu/config.py:806
+#: tiramisu/config.py:846
 msgid "metaconfig's children should be config, not {0}"
 msgstr "enfants d'une metaconfig doit être une config, pas {0}"
 
-#: tiramisu/config.py:810
+#: tiramisu/config.py:850
 msgid "child has already a metaconfig's"
 msgstr "enfant a déjà une metaconfig"
 
-#: tiramisu/config.py:814
+#: tiramisu/config.py:854
 msgid "all config in metaconfig must have the same optiondescription"
-msgstr ""
-"toutes les configs d'une metaconfig doivent avoir la même optiondescription"
+msgstr "toutes les configs d'une metaconfig doivent avoir la même optiondescription"
 
-#: tiramisu/config.py:826
-msgid ""
-"force_default, force_default_if_same or force_dont_change_value cannot be "
-"set with only_config"
+#: tiramisu/config.py:869
+msgid "force_default, force_default_if_same or force_dont_change_value cannot be set with only_config"
 msgstr ""
-"force_default, force_default_if_same ou force_dont_change_value ne peuvent "
-"pas être spécifié avec only_config"
+"force_default, force_default_if_same ou force_dont_change_value ne peuvent pas être spécifié avec "
+"only_config"
 
-#: tiramisu/config.py:832
+#: tiramisu/config.py:875
 msgid "force_default and force_dont_change_value cannot be set together"
-msgstr ""
-"force_default et force_dont_change_value ne peuvent pas être mis ensemble"
+msgstr "force_default et force_dont_change_value ne peuvent pas être mis ensemble"
 
-#: tiramisu/option/baseoption.py:57
+#: tiramisu/option/baseoption.py:56
 msgid "{0} must be a function"
 msgstr "{0} doit être une fonction"
 
-#: tiramisu/option/baseoption.py:60
+#: tiramisu/option/baseoption.py:59
 msgid "{0}_params must be a dict"
 msgstr "{0}_params doit être un dict"
 
-#: tiramisu/option/baseoption.py:63
+#: tiramisu/option/baseoption.py:62
 msgid "{0}_params with key {1} mustn't have length different to 1"
-msgstr ""
-"{0}_params avec la clef {1} ne doit pas avoir une longueur différent de 1"
+msgstr "{0}_params avec la clef {1} ne doit pas avoir une longueur différent de 1"
 
-#: tiramisu/option/baseoption.py:67
+#: tiramisu/option/baseoption.py:66
 msgid "{0}_params must be tuple for key \"{1}\""
 msgstr "{0}_params doit être un tuple pour la clef \"{1}\""
 
-#: tiramisu/option/baseoption.py:73
+#: tiramisu/option/baseoption.py:72
 msgid "{0}_params with length of tuple as 1 must only have None as first value"
-msgstr ""
-"{0}_params avec un tuple de longueur 1 doit seulement avoir None comme "
-"première valeur"
+msgstr "{0}_params avec un tuple de longueur 1 doit seulement avoir None comme première valeur"
 
-#: tiramisu/option/baseoption.py:77
+#: tiramisu/option/baseoption.py:76
 msgid "{0}_params must only have 1 or 2 as length"
 msgstr "{0}_params doit seulement avoir une longueur de 1 ou 2"
 
-#: tiramisu/option/baseoption.py:83
+#: tiramisu/option/baseoption.py:82
 msgid "{0}_params must have an option not a {0} for first argument"
 msgstr "{0}_params doit avoir une option pas un {0} pour premier argument"
 
-#: tiramisu/option/baseoption.py:87
+#: tiramisu/option/baseoption.py:86
 msgid "{0}_params must have a boolean not a {0} for second argument"
 msgstr "{0}_params doit avoir un booléen pas un {0} pour second argument"
 
@@ -158,187 +148,160 @@ msgstr "{0}_params doit avoir un booléen pas un {0} pour second argument"
 msgid "invalid name: {0} for option"
 msgstr "nom invalide : {0} pour l'option"
 
-#: tiramisu/option/baseoption.py:111
-msgid "a default_multi is set whereas multi is False in option: {0}"
-msgstr ""
-"une default_multi est renseignée alors que multi est False dans l'option : "
-"{0}"
+#: tiramisu/option/baseoption.py:105
+msgid "default_multi is set whereas multi is False in option: {0}"
+msgstr "default_multi est spécifié alors que multi est à False pour l'option : {0}"
 
-#: tiramisu/option/baseoption.py:122
+#: tiramisu/option/baseoption.py:117
+msgid "invalid multi value"
+msgstr "valeur multiple invalide"
+
+#: tiramisu/option/baseoption.py:127
 msgid "invalid properties type {0} for {1}, must be a tuple"
 msgstr "type des properties invalide {0} pour {1}, doit être un tuple"
 
-#: tiramisu/option/baseoption.py:147
-msgid ""
-"params defined for a callback function but no callback defined yet for "
-"option {0}"
+#: tiramisu/option/baseoption.py:156
+msgid "params defined for a callback function but no callback defined yet for option {0}"
 msgstr ""
-"params définis pour une fonction callback mais par de callback encore "
-"définis pour l'option {0}"
+"params définis pour une fonction callback mais par de callback encore définis pour l'option {0}"
 
-#: tiramisu/option/baseoption.py:152
+#: tiramisu/option/baseoption.py:161
 msgid "a callback is already set for option {0}, cannot set another one's"
-msgstr ""
-"un callback est en lecture seul pour l'option {0}, ne peut en placer une "
-"autre"
+msgstr "un callback est en lecture seul pour l'option {0}, ne peut en placer une autre"
 
-#: tiramisu/option/baseoption.py:279
+#: tiramisu/option/baseoption.py:245
 msgid "cannot serialize Option, only in OptionDescription"
 msgstr "ne peut serialiser une Option, seulement via une OptionDescription"
 
-#: tiramisu/option/baseoption.py:365
+#: tiramisu/option/baseoption.py:326 tiramisu/storage/dictionary/option.py:117
 msgid "'{0}' ({1}) object attribute '{2}' is read-only"
 msgstr "l'attribut {2} de l'objet '{0}' ({1}) est en lecture seule"
 
-#: tiramisu/option/baseoption.py:391
+#: tiramisu/option/baseoption.py:350 tiramisu/option/option.py:145
+msgid "invalid string"
+msgstr "invalide caractère"
+
+#: tiramisu/option/baseoption.py:353
 msgid "invalid unicode or string"
 msgstr "invalide unicode ou string"
 
-#: tiramisu/option/baseoption.py:551 tiramisu/option/baseoption.py:592
+#: tiramisu/option/baseoption.py:493 tiramisu/option/baseoption.py:526
 msgid "invalid value for option {0}: {1}"
 msgstr "valeur invalide pour l'option {0} : {1}"
 
-#: tiramisu/option/baseoption.py:560
+#: tiramisu/option/baseoption.py:500
 msgid "do_validation for {0}: error in value"
 msgstr "do_validation for {0} : erreur dans un la valeur"
 
-#: tiramisu/option/baseoption.py:566
-msgid "do_validation for {0}: warning in value"
-msgstr "do_validation for {0} : warning dans un la valeur"
-
-#: tiramisu/option/baseoption.py:576
-msgid "do_validation for {0}: error in consistency"
-msgstr "do_validation for {0} : erreur dans un test de consistance"
-
-#: tiramisu/option/baseoption.py:580
-msgid "do_validation for {0}: warning in consistency"
-msgstr "do_validation for {0} : warning dans un test de consistance"
-
-#: tiramisu/option/baseoption.py:584
+#: tiramisu/option/baseoption.py:518
 msgid "warning on the value of the option {0}: {1}"
 msgstr "avertissement sur la valeur de l'option {0} : {1}"
 
-#: tiramisu/option/baseoption.py:604 tiramisu/option/baseoption.py:613
+#: tiramisu/option/baseoption.py:540 tiramisu/option/baseoption.py:550
 msgid "invalid value {0} for option {1} which must be a list"
 msgstr "valeur invalide pour l'option {0} : {1} laquelle doit être une liste"
 
-#: tiramisu/option/baseoption.py:619
+#: tiramisu/option/baseoption.py:556
 msgid "invalid value {0} for option {1} which must be a list of list"
-msgstr ""
-"valeur invalide pour l'option {0} : {1} laquelle doit être une liste de liste"
+msgstr "valeur invalide pour l'option {0} : {1} laquelle doit être une liste de liste"
 
-#: tiramisu/option/baseoption.py:672
-msgid "'{0}' ({1}) cannot add consistency, option is read-only"
-msgstr ""
-"'{0}' ({1}) ne peut ajouter de consistency, l'option est en lecture seul"
+#: tiramisu/option/baseoption.py:599 tiramisu/option/baseoption.py:603
+msgid "cannot add consistency with submulti option"
+msgstr "ne peut ajouter de test de consistence a une option submulti"
 
-#: tiramisu/option/baseoption.py:684
-msgid "unknow parameter {0} in consistency"
-msgstr "paramètre inconnu {0} dans un test de consistance"
-
-#: tiramisu/option/baseoption.py:691
+#: tiramisu/option/baseoption.py:605
 msgid "consistency must be set with an option"
 msgstr "consistency doit être configuré avec une option"
 
-#: tiramisu/option/baseoption.py:694 tiramisu/option/baseoption.py:701
-msgid ""
-"almost one option in consistency is in a dynoptiondescription but not all"
+#: tiramisu/option/baseoption.py:608 tiramisu/option/baseoption.py:615
+msgid "almost one option in consistency is in a dynoptiondescription but not all"
 msgstr ""
-"au moins une option dans le test de consistance est dans une "
-"dynoptiondescription mais pas toutes"
+"au moins une option dans le test de consistance est dans une dynoptiondescription mais pas toutes"
 
-#: tiramisu/option/baseoption.py:697
+#: tiramisu/option/baseoption.py:611
 msgid "option in consistency must be in same dynoptiondescription"
-msgstr ""
-"option dans une consistency doit être dans le même dynoptiondescription"
+msgstr "option dans une consistency doit être dans le même dynoptiondescription"
 
-#: tiramisu/option/baseoption.py:704
+#: tiramisu/option/baseoption.py:618
 msgid "cannot add consistency with itself"
 msgstr "ne peut ajouter une consistency avec lui même"
 
-#: tiramisu/option/baseoption.py:706
+#: tiramisu/option/baseoption.py:620
 msgid "every options in consistency must be multi or none"
-msgstr ""
-"toutes les options d'une consistency doivent être multi ou ne pas l'être"
+msgstr "toutes les options d'une consistency doivent être multi ou ne pas l'être"
 
-#: tiramisu/option/baseoption.py:710
+#: tiramisu/option/baseoption.py:634
+msgid "'{0}' ({1}) cannot add consistency, option is read-only"
+msgstr "'{0}' ({1}) ne peut ajouter de consistency, l'option est en lecture seul"
+
+#: tiramisu/option/baseoption.py:641
 msgid "consistency {0} not available for this option"
 msgstr "consistency {0} non valable pour cette option"
 
-#: tiramisu/option/baseoption.py:739
+#: tiramisu/option/baseoption.py:645
+msgid "unknow parameter {0} in consistency"
+msgstr "paramètre inconnu {0} dans un test de consistance"
+
+#: tiramisu/option/baseoption.py:695
 msgid "same value for {0} and {1}, should be different"
 msgstr "même valeur pour {0} et {1}, devrait être différent"
 
-#: tiramisu/option/baseoption.py:741
+#: tiramisu/option/baseoption.py:697
 msgid "same value for {0} and {1}, must be different"
 msgstr "même valeur pour {0} et {1}, doit être différent"
 
-#: tiramisu/option/baseoption.py:797
+#: tiramisu/option/baseoption.py:755
 msgid "default value not allowed if option: {0} is calculated"
 msgstr "la valeur par défaut n'est pas possible si l'option {0} est calculée"
 
-#: tiramisu/option/baseoption.py:819
+#: tiramisu/option/baseoption.py:775
 msgid "malformed requirements type for option: {0}, must be a dict"
-msgstr ""
-"type requirements malformé pour l'option : {0}, doit être un dictionnaire"
+msgstr "type requirements malformé pour l'option : {0}, doit être un dictionnaire"
 
-#: tiramisu/option/baseoption.py:825
+#: tiramisu/option/baseoption.py:781
 msgid "malformed requirements for option: {0} unknown keys {1}, must only {2}"
-msgstr ""
-"requirements mal formés pour l'option : {0} clefs inconnues {1}, doit "
-"seulement avoir {2}"
+msgstr "requirements mal formés pour l'option : {0} clefs inconnues {1}, doit seulement avoir {2}"
 
-#: tiramisu/option/baseoption.py:836
-msgid ""
-"malformed requirements for option: {0} require must have option, expected "
-"and action keys"
+#: tiramisu/option/baseoption.py:789
+msgid "malformed requirements for option: {0} require must have option, expected and action keys"
 msgstr ""
-"requirements malformé pour l'option : {0} l'exigence doit avoir les clefs "
-"option, expected et action"
+"requirements malformé pour l'option : {0} l'exigence doit avoir les clefs option, expected et action"
 
-#: tiramisu/option/baseoption.py:840
-msgid ""
-"malformed requirements for option: {0} action cannot be force_store_value"
-msgstr ""
-"requirements mal formés pour l'option : {0} action ne peut pas être "
-"force_store_value"
+#: tiramisu/option/baseoption.py:796
+msgid "malformed requirements for option: {0} action cannot be force_store_value"
+msgstr "requirements mal formés pour l'option : {0} action ne peut pas être force_store_value"
 
-#: tiramisu/option/baseoption.py:845
+#: tiramisu/option/baseoption.py:801
 msgid "malformed requirements for option: {0} inverse must be boolean"
-msgstr ""
-"requirements mal formés pour l'option : {0} inverse doit être un booléen"
+msgstr "requirements mal formés pour l'option : {0} inverse doit être un booléen"
 
-#: tiramisu/option/baseoption.py:849
+#: tiramisu/option/baseoption.py:805
 msgid "malformed requirements for option: {0} transitive must be boolean"
-msgstr ""
-"requirements mal formés pour l'option : {0} transitive doit être booléen"
+msgstr "requirements mal formés pour l'option : {0} transitive doit être booléen"
 
-#: tiramisu/option/baseoption.py:853
+#: tiramisu/option/baseoption.py:809
 msgid "malformed requirements for option: {0} same_action must be boolean"
-msgstr ""
-"requirements mal formés pour l'option : {0} same_action doit être un booléen"
+msgstr "requirements mal formés pour l'option : {0} same_action doit être un booléen"
 
-#: tiramisu/option/baseoption.py:857
+#: tiramisu/option/baseoption.py:813
 msgid "malformed requirements must be an option in option {0}"
 msgstr "requirements mal formés doit être une option dans l'option {0}"
 
-#: tiramisu/option/baseoption.py:860
-msgid "malformed requirements option {0} must not be a multi for {1}"
+#: tiramisu/option/baseoption.py:816
+msgid "malformed requirements multi option must not set as requires of non multi option {0}"
 msgstr ""
-"requirements mal formés pour l'option {0} ne doit pas être une multi pour {1}"
+"requirements mal formés une option multiple ne doit pas être spécifié comme pré-requis à l'option "
+"non multiple {0}"
 
-#: tiramisu/option/baseoption.py:867
-msgid ""
-"malformed requirements second argument must be valid for option {0}: {1}"
-msgstr ""
-"requirements mal formés deuxième argument doit être valide pour l'option "
-"{0} : {1}"
+#: tiramisu/option/baseoption.py:822
+msgid "malformed requirements second argument must be valid for option {0}: {1}"
+msgstr "requirements mal formés deuxième argument doit être valide pour l'option {0} : {1}"
 
-#: tiramisu/option/baseoption.py:872
+#: tiramisu/option/baseoption.py:827
 msgid "inconsistency in action types for option: {0} action: {1}"
 msgstr "incohérence dans les types action pour l'option : {0} action {1}"
 
-#: tiramisu/option/baseoption.py:900
+#: tiramisu/option/baseoption.py:855
 msgid "malformed symlinkoption must be an option for symlink {0}"
 msgstr "symlinkoption mal formé, doit être une option pour symlink {0}"
 
@@ -352,21 +315,21 @@ msgstr "groupe maître {0} ne doit pas avoir de sous-groupe"
 
 #: tiramisu/option/masterslave.py:44
 msgid "not allowed option {0} in group {1}: this option is not a multi"
-msgstr ""
-"option non autorisée {0} dans le groupe {1} : cette option n'est pas une "
-"multi"
+msgstr "option non autorisée {0} dans le groupe {1} : cette option n'est pas une multi"
 
-#: tiramisu/option/masterslave.py:53
+#: tiramisu/option/masterslave.py:52
+msgid "not allowed default value for option {0} in group {1}"
+msgstr "valeur de défaut non autorisée pour l'option {0} du groupe {1}"
+
+#: tiramisu/option/masterslave.py:57
 msgid "master group with wrong master name for {0}"
 msgstr "le groupe maître avec un nom de maître érroné pour {0}"
 
-#: tiramisu/option/masterslave.py:63
+#: tiramisu/option/masterslave.py:67
 msgid "callback of master's option shall not refered a slave's ones"
-msgstr ""
-"callback d'une variable maitre ne devrait pas référencer des variables "
-"esclaves"
+msgstr "callback d'une variable maitre ne devrait pas référencer des variables esclaves"
 
-#: tiramisu/option/masterslave.py:260
+#: tiramisu/option/masterslave.py:283
 msgid "invalid len for the slave: {0} which has {1} as master"
 msgstr "longueur invalide pour une esclave : {0} qui a {1} comme maître"
 
@@ -378,245 +341,267 @@ msgstr "values n'est pas une fonction, donc values_params doit être None"
 msgid "values must be a tuple or a function for {0}"
 msgstr "values doit être un tuple ou une fonction pour {0}"
 
-#: tiramisu/option/option.py:81
+#: tiramisu/option/option.py:91
 msgid "calculated values for {0} is not a list"
 msgstr "valeurs calculées for {0} n'est pas une liste"
 
-#: tiramisu/option/option.py:89
+#: tiramisu/option/option.py:102
 msgid "value {0} is not permitted, only {1} is allowed"
 msgstr "valeur {0} n'est pas permis, seules {1} sont autorisées"
 
-#: tiramisu/option/option.py:103
+#: tiramisu/option/option.py:115
 msgid "invalid boolean"
 msgstr "booléen invalide"
 
-#: tiramisu/option/option.py:112
+#: tiramisu/option/option.py:125
 msgid "invalid integer"
 msgstr "nombre invalide"
 
-#: tiramisu/option/option.py:121
+#: tiramisu/option/option.py:135
 msgid "invalid float"
 msgstr "invalide nombre flottan"
 
-#: tiramisu/option/option.py:130
-msgid "invalid string"
-msgstr "invalide caractère"
-
-#: tiramisu/option/option.py:146
+#: tiramisu/option/option.py:162
 msgid "invalid unicode"
 msgstr "invalide unicode"
 
-#: tiramisu/option/option.py:179 tiramisu/option/option.py:182
-#: tiramisu/option/option.py:187
+#: tiramisu/option/option.py:207 tiramisu/option/option.py:210 tiramisu/option/option.py:215
 msgid "invalid IP"
 msgstr "adresse IP invalide"
 
-#: tiramisu/option/option.py:193
+#: tiramisu/option/option.py:221
 msgid "IP is in reserved class"
 msgstr "l'adresse IP est dans une plage d'adresse réservée"
 
-#: tiramisu/option/option.py:195
+#: tiramisu/option/option.py:223
 msgid "invalid IP, mustn't be in reserved class"
 msgstr "adresse IP invalide, ne doit pas être dans une classe réservée"
 
-#: tiramisu/option/option.py:199
+#: tiramisu/option/option.py:227
 msgid "IP is not in private class"
 msgstr "l'adresse IP n'est pas dans une plage d'adressage privée"
 
-#: tiramisu/option/option.py:201
+#: tiramisu/option/option.py:229
 msgid "invalid IP, must be in private class"
 msgstr "adresse IP invalide, doit être dans la classe privée"
 
-#: tiramisu/option/option.py:206 tiramisu/option/option.py:384
+#: tiramisu/option/option.py:234 tiramisu/option/option.py:438
 msgid "invalid len for vals"
 msgstr "longueur invalide pour vals"
 
-#: tiramisu/option/option.py:212
+#: tiramisu/option/option.py:240
 msgid "IP {0} ({1}) not in network {2} ({3}) with netmask {4} ({5})"
 msgstr "IP {0} ({1}) pas dans le réseau {2} ({3}) avec le masque {4} ({5})"
 
-#: tiramisu/option/option.py:215
+#: tiramisu/option/option.py:243
 msgid "invalid IP {0} ({1}) not in network {2} ({3}) with netmask {4} ({5})"
-msgstr ""
-"IP invalide {0} ({1}) pas dans le réseau {2} ({3}) avec le masque {4} ({5})"
+msgstr "IP invalide {0} ({1}) pas dans le réseau {2} ({3}) avec le masque {4} ({5})"
 
-#: tiramisu/option/option.py:257
+#: tiramisu/option/option.py:286
 msgid "inconsistency in allowed range"
 msgstr "inconsistence dans la plage autorisée"
 
-#: tiramisu/option/option.py:262
+#: tiramisu/option/option.py:291
 msgid "max value is empty"
 msgstr "la valeur maximum est vide"
 
-#: tiramisu/option/option.py:283
+#: tiramisu/option/option.py:319
 msgid "invalid port, range must have two values only"
 msgstr "port invalide, une plage doit avoir deux valeurs seulement"
 
-#: tiramisu/option/option.py:286
+#: tiramisu/option/option.py:322
 msgid "invalid port, first port in range must be smaller than the second one"
-msgstr ""
-"port invalide, le premier port d'une plage doit être plus petit que le second"
+msgstr "port invalide, le premier port d'une plage doit être plus petit que le second"
 
-#: tiramisu/option/option.py:295
+#: tiramisu/option/option.py:329
 msgid "invalid port"
 msgstr "port invalide"
 
-#: tiramisu/option/option.py:297
+#: tiramisu/option/option.py:332
 msgid "invalid port, must be an integer between {0} and {1}"
 msgstr "port invalide, port doit être nombre entre {0} et {1}"
 
-#: tiramisu/option/option.py:311
+#: tiramisu/option/option.py:347 tiramisu/option/option.py:350 tiramisu/option/option.py:354
 msgid "invalid network address"
 msgstr "adresse réseau invalide"
 
-#: tiramisu/option/option.py:317
+#: tiramisu/option/option.py:360
 msgid "network address is in reserved class"
 msgstr "l'adresse réseau est pas dans une plage d'adresse réservée"
 
-#: tiramisu/option/option.py:319
+#: tiramisu/option/option.py:362
 msgid "invalid network address, mustn't be in reserved class"
 msgstr "adresse réseau invalide, ne doit pas être dans la classe réservée"
 
-#: tiramisu/option/option.py:332
+#: tiramisu/option/option.py:376 tiramisu/option/option.py:379 tiramisu/option/option.py:383
 msgid "invalid netmask address"
 msgstr "masque de sous-réseau invalide"
 
-#: tiramisu/option/option.py:349
+#: tiramisu/option/option.py:400
 msgid "invalid len for opts"
 msgstr "longueur invalide pour opts"
 
-#: tiramisu/option/option.py:358
+#: tiramisu/option/option.py:409
 msgid "invalid IP {0} ({1}) with netmask {2}, this IP is a network"
 msgstr "IP invalide {0} ({1}) avec masque {2}, cette IP est un réseau"
 
-#: tiramisu/option/option.py:361
+#: tiramisu/option/option.py:412
 msgid "invalid IP {0} ({1}) with netmask {2}, this IP is a broadcast"
 msgstr "IP invalide {0} ({1}) avec masque {2}, cette IP est un broadcast"
 
-#: tiramisu/option/option.py:366
+#: tiramisu/option/option.py:417
 msgid "invalid network {0} ({1}) with netmask {2}"
 msgstr "réseau invalide {0} ({1}) avec masque {2}"
 
-#: tiramisu/option/option.py:380
+#: tiramisu/option/option.py:434
 msgid "invalid broadcast address"
 msgstr "adresse de broadcast invalide"
 
-#: tiramisu/option/option.py:389
-msgid ""
-"invalid broadcast {0} ({1}) with network {2} ({3}) and netmask {4} ({5})"
-msgstr ""
-"Broadcast invalide {0} ({1}) avec le réseau {2} ({3}) et le masque {4} ({5})"
+#: tiramisu/option/option.py:443
+msgid "invalid broadcast {0} ({1}) with network {2} ({3}) and netmask {4} ({5})"
+msgstr "Broadcast invalide {0} ({1}) avec le réseau {2} ({3}) et le masque {4} ({5})"
 
-#: tiramisu/option/option.py:410
+#: tiramisu/option/option.py:464
 msgid "unknown type_ {0} for hostname"
 msgstr "type_ inconnu {0} pour le nom d'hôte"
 
-#: tiramisu/option/option.py:413
+#: tiramisu/option/option.py:467
 msgid "allow_ip must be a boolean"
 msgstr "allow_ip doit être un booléen"
 
-#: tiramisu/option/option.py:415
+#: tiramisu/option/option.py:469
 msgid "allow_without_dot must be a boolean"
 msgstr "allow_without_dot doit être un booléen"
 
-#: tiramisu/option/option.py:437
+#: tiramisu/option/option.py:495
 msgid "invalid domainname's length (min 1)"
 msgstr "longueur du nom de domaine invalide (minimum 1)"
 
-#: tiramisu/option/option.py:439
+#: tiramisu/option/option.py:497
 msgid "invalid domainname's length (max {0})"
 msgstr "longueur du nom de domaine invalide (maximum {0})"
 
-#: tiramisu/option/option.py:454
+#: tiramisu/option/option.py:512
+msgid "invalid domainname, must not be an IP"
+msgstr "nom de domaine invalide, ne doit pas être une IP"
+
+#: tiramisu/option/option.py:519
 msgid "invalid domainname, must have dot"
 msgstr "nom de domaine invalide, doit avoir un point"
 
-#: tiramisu/option/option.py:456
+#: tiramisu/option/option.py:521
 msgid "invalid domainname's length (max 255)"
 msgstr "longueur du nom de domaine invalide (maximum {1})"
 
-#: tiramisu/option/option.py:465
+#: tiramisu/option/option.py:532
 msgid "some characters are uppercase"
 msgstr "des caractères sont en majuscule"
 
-#: tiramisu/option/option.py:468
+#: tiramisu/option/option.py:535
 msgid "some characters may cause problems"
 msgstr "des caractères peuvent poser problèmes"
 
-#: tiramisu/option/option.py:470
+#: tiramisu/option/option.py:537
 msgid "invalid domainname"
 msgstr "nom de domaine invalide"
 
-#: tiramisu/option/option.py:495
+#: tiramisu/option/option.py:563
 msgid "invalid email address, must contains one @"
 msgstr "adresse email invalide, doit contenir un @"
 
-#: tiramisu/option/option.py:498
+#: tiramisu/option/option.py:566
 msgid "invalid username in email address"
 msgstr "nom d'utilisateur invalide dans une adresse email"
 
-#: tiramisu/option/option.py:515
+#: tiramisu/option/option.py:588
 msgid "invalid url, must start with http:// or https://"
 msgstr "URL invalide, doit démarrer avec http:// ou https://"
 
-#: tiramisu/option/option.py:534
+#: tiramisu/option/option.py:606
 msgid "invalid url, port must be an between 0 and 65536"
 msgstr "URL invalide, port doit être entre 0 et 65536"
 
-#: tiramisu/option/option.py:541
+#: tiramisu/option/option.py:617
 msgid "invalid url, must ends with a valid resource name"
 msgstr "URL invalide, doit finir par un nom de ressource valide"
 
-#: tiramisu/option/option.py:556
+#: tiramisu/option/option.py:635
 msgid "invalid username"
 msgstr "utilisateur invalide"
 
-#: tiramisu/option/option.py:567
+#: tiramisu/option/option.py:649
 msgid "invalid filename"
 msgstr "nom de fichier invalide"
 
-#: tiramisu/option/optiondescription.py:68
+#: tiramisu/option/optiondescription.py:73
 msgid "duplicate option name: {0}"
 msgstr "nom de l'option dupliqué : {0}"
 
-#: tiramisu/option/optiondescription.py:73
+#: tiramisu/option/optiondescription.py:78
 msgid "option must not start as dynoptiondescription"
 msgstr "option ne doit pas commencé pareil qu'un dynoptiondescription"
 
-#: tiramisu/option/optiondescription.py:117
-msgid "consistency with option {0} which is not in Config"
-msgstr "consistency avec l'option {0} qui n'est pas dans une Config"
+#: tiramisu/option/optiondescription.py:134
+msgid "malformed consistency option {0} must be a master/slaves"
+msgstr "test de consistence mal formé pour l'option {0} doit être une maître/esclave"
 
-#: tiramisu/option/optiondescription.py:143
+#: tiramisu/option/optiondescription.py:141
+msgid "malformed consistency option {0} must not be a multi for {1}"
+msgstr "test de consistence mal formé pour l'option {0} ne doit doit pas être une liste pour {1}"
+
+#: tiramisu/option/optiondescription.py:145
+msgid "malformed consistency option {0} must be in same master/slaves for {1}"
+msgstr "test de consistence mal formé pour l'option {0} doit être dans la même maître/esclave pour {1}"
+
+#: tiramisu/option/optiondescription.py:170
+msgid "malformed requirements option {0} must be in same master/slaves for {1}"
+msgstr "requirements mal formé pour l'option {0} doit être dans la même maître/esclave pour {1}"
+
+#: tiramisu/option/optiondescription.py:174
+msgid "malformed requirements option {0} must not be a multi for {1}"
+msgstr "requirements mal formés pour l'option {0} ne doit pas être une multi pour {1}"
+
+#: tiramisu/option/optiondescription.py:183
 msgid "duplicate option: {0}"
 msgstr "option dupliquée : {0}"
 
-#: tiramisu/option/optiondescription.py:154
+#: tiramisu/option/optiondescription.py:188
+msgid "consistency with option {0} which is not in Config"
+msgstr "consistency avec l'option {0} qui n'est pas dans une Config"
+
+#: tiramisu/option/optiondescription.py:201
+msgid "a slave ({0}) cannot have force_store_value property"
+msgstr "une slave ({0}) ne doit pas avoir la propriété force_store_value"
+
+#: tiramisu/option/optiondescription.py:204
+msgid "a dynoption ({0}) cannot have force_store_value property"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:218
 msgid "cannot change group_type if already set (old {0}, new {1})"
 msgstr "ne peut changer group_type si déjà spécifié (ancien {0}, nouveau {1})"
 
-#: tiramisu/option/optiondescription.py:162
+#: tiramisu/option/optiondescription.py:226
 msgid "group_type: {0} not allowed"
 msgstr "group_type : {0} non autorisé"
 
-#: tiramisu/option/optiondescription.py:260
+#: tiramisu/option/optiondescription.py:288
 msgid "DynOptionDescription callback return not uniq value"
 msgstr "callback d'une DynOptionDescription ne retourne pas une valeur unique"
 
-#: tiramisu/option/optiondescription.py:263
+#: tiramisu/option/optiondescription.py:291
 msgid "invalid suffix: {0} for option"
 msgstr "suffix invalide : {0} pour l'option"
 
-#: tiramisu/option/optiondescription.py:320
-msgid "cannot set optiondescription in an dynoptiondescription"
+#: tiramisu/option/optiondescription.py:348
+msgid "cannot set optiondescription in a dynoptiondescription"
 msgstr ""
-"impossible de mettre une optiondescription dans un dynoptiondescription"
 
-#: tiramisu/option/optiondescription.py:325
-msgid "cannot set symlinkoption in an dynoptiondescription"
-msgstr "impossible de placer un symlinkoption dans un dynoptiondescription"
+#: tiramisu/option/optiondescription.py:353 tiramisu/option/optiondescription.py:356
+msgid "cannot set symlinkoption in a dynoptiondescription"
+msgstr ""
 
-#: tiramisu/option/optiondescription.py:333
+#: tiramisu/option/optiondescription.py:364
 msgid "callback is mandatory for dynoptiondescription"
 msgstr "callback est obligatoire pour un dynoptiondescription"
 
@@ -628,184 +613,191 @@ msgstr "ne peut redéfinir ({0})"
 msgid "can't unbind {0}"
 msgstr "ne peut supprimer ({0})"
 
-#: tiramisu/setting.py:260
+#: tiramisu/setting.py:264
 msgid "cannot append {0} property for option {1}: this property is calculated"
-msgstr ""
-"ne peut ajouter la propriété {0} dans l'option {1}: cette propriété est "
-"calculée"
+msgstr "ne peut ajouter la propriété {0} dans l'option {1}: cette propriété est calculée"
 
-#: tiramisu/setting.py:349
-msgid "you should only append/remove properties"
-msgstr "pour pouvait seulement ajouter/supprimer des propriétés"
-
-#: tiramisu/setting.py:353
-msgid "opt and all_properties must not be set together in reset"
-msgstr "opt et all_properties ne doit pas être renseigné ensemble dans reset"
-
-#: tiramisu/setting.py:373
-msgid "if opt is not None, path should not be None in _getproperties"
-msgstr ""
-"si opt n'est pas None, path devrait ne pas être à None dans _getproperties"
-
-#: tiramisu/setting.py:417
+#: tiramisu/setting.py:268 tiramisu/setting.py:434
 msgid "cannot add those properties: {0}"
 msgstr "ne peut pas ajouter ces propriétés : {0}"
 
-#: tiramisu/setting.py:490
-msgid "cannot change the value for option {0} this option is frozen"
-msgstr ""
-"ne peut modifier la valeur de l'option {0} cette option n'est pas modifiable"
+#: tiramisu/setting.py:357
+msgid "you should only append/remove properties"
+msgstr "pour pouvait seulement ajouter/supprimer des propriétés"
+
+#: tiramisu/setting.py:361
+msgid "opt and all_properties must not be set together in reset"
+msgstr "opt et all_properties ne doit pas être renseigné ensemble dans reset"
+
+#: tiramisu/setting.py:382
+msgid "if opt is not None, path should not be None in _getproperties"
+msgstr "si opt n'est pas None, path devrait ne pas être à None dans _getproperties"
 
 #: tiramisu/setting.py:500
+msgid "cannot change the value for option {0} this option is frozen"
+msgstr "ne peut modifier la valeur de l'option {0} cette option n'est pas modifiable"
+
+#: tiramisu/setting.py:510
 msgid "trying to access to an {0} named: {1} with properties {2}"
 msgstr "tentative d'accès à une {0} nommée : {1} avec les propriétés {2}"
 
-#: tiramisu/setting.py:519
+#: tiramisu/setting.py:529
 msgid "permissive must be a tuple"
 msgstr "permissive doit être un tuple"
 
-#: tiramisu/setting.py:526 tiramisu/value.py:464
+#: tiramisu/setting.py:536 tiramisu/value.py:536
 msgid "invalid generic owner {0}"
 msgstr "invalide owner générique {0}"
 
-#: tiramisu/setting.py:614
-msgid ""
-"malformed requirements imbrication detected for option: '{0}' with "
-"requirement on: '{1}'"
+#: tiramisu/setting.py:630
+msgid "malformed requirements imbrication detected for option: '{0}' with requirement on: '{1}'"
 msgstr ""
-"imbrication de requirements mal formés detectée pour l'option : '{0}' avec "
-"requirement sur : '{1}'"
+"imbrication de requirements mal formés detectée pour l'option : '{0}' avec requirement sur : '{1}'"
 
-#: tiramisu/setting.py:625
+#: tiramisu/setting.py:647
 msgid "option '{0}' has requirement's property error: {1} {2}"
 msgstr "l'option '{0}' a une erreur de propriété pour le requirement : {1} {2}"
 
-#: tiramisu/storage/__init__.py:49
+#: tiramisu/storage/__init__.py:52
 msgid "storage_type is already set, cannot rebind it"
 msgstr "storage_type est déjà défini, impossible de le redéfinir"
 
-#: tiramisu/storage/__init__.py:60
+#: tiramisu/storage/__init__.py:63
 msgid "cannot import the storage {0}"
 msgstr "ne peut pas importer le stockage {0}"
 
-#: tiramisu/storage/__init__.py:93
+#: tiramisu/storage/__init__.py:96
 msgid "option {0} not already exists in storage {1}"
 msgstr "option {0} n'existe pas dans l'espace de stockage {1}"
 
-#: tiramisu/storage/__init__.py:131
-msgid "unable to get storages:"
-msgstr "impossible de récupérer les storages :"
-
-#: tiramisu/storage/dictionary/option.py:96
+#: tiramisu/storage/dictionary/option.py:102
 msgid "invalid default_multi value {0} for option {1}: {2}"
 msgstr "la valeur default_multi est invalide {0} pour l'option {1} : {2}"
 
-#: tiramisu/storage/dictionary/option.py:138
-#: tiramisu/storage/sqlalchemy/option.py:439 tiramisu/value.py:528
+#: tiramisu/storage/dictionary/option.py:142 tiramisu/storage/dictionary/value.py:234
+#: tiramisu/storage/sqlalchemy/option.py:441
 msgid "information's item not found: {0}"
 msgstr "aucune config spécifiée alors que c'est nécessaire"
 
-#: tiramisu/storage/dictionary/option.py:365
-#: tiramisu/storage/sqlalchemy/option.py:483
+#: tiramisu/storage/dictionary/option.py:383
+msgid "use impl_get_opt_by_path only with root OptionDescription"
+msgstr ""
+
+#: tiramisu/storage/dictionary/option.py:385 tiramisu/storage/sqlalchemy/option.py:485
 msgid "no option for path {0}"
 msgstr "pas d'option pour le chemin {0}"
 
-#: tiramisu/storage/dictionary/option.py:369
-#: tiramisu/storage/sqlalchemy/option.py:492
+#: tiramisu/storage/dictionary/option.py:390 tiramisu/storage/sqlalchemy/option.py:494
 msgid "use impl_get_path_by_opt only with root OptionDescription"
-msgstr ""
-"utiliser impl_get_path_by_opt seulement avec une OptionDescription racine"
+msgstr "utiliser impl_get_path_by_opt seulement avec une OptionDescription racine"
 
-#: tiramisu/storage/dictionary/option.py:373
-#: tiramisu/storage/sqlalchemy/option.py:493
+#: tiramisu/storage/dictionary/option.py:392 tiramisu/storage/sqlalchemy/option.py:495
 msgid "no option {0} found"
 msgstr "pas d'option {0} trouvée"
 
-#: tiramisu/storage/dictionary/option.py:422
+#: tiramisu/storage/dictionary/option.py:439
 msgid "cannot find dynpath"
 msgstr "ne peut trouver le dynpath"
 
-#: tiramisu/storage/dictionary/option.py:512
-#: tiramisu/storage/sqlalchemy/option.py:638
+#: tiramisu/storage/dictionary/option.py:528 tiramisu/storage/sqlalchemy/option.py:640
 msgid "suffix and context needed if it's a dyn option"
 msgstr "suffix et context obligatoire si c'est une option dynamique"
 
-#: tiramisu/storage/dictionary/option.py:525
-msgid "{0} instance has no attribute '_readonly'"
-msgstr "{0} instance n'a pas l'attribut '_readonly'"
-
-#: tiramisu/storage/dictionary/option.py:539
-#: tiramisu/storage/sqlalchemy/option.py:668
+#: tiramisu/storage/dictionary/option.py:549 tiramisu/storage/sqlalchemy/option.py:670
 msgid "unknown Option {0} in OptionDescription {1}"
 msgstr "Option {0} inconnue pour l'OptionDescription {1}"
 
 #: tiramisu/storage/dictionary/storage.py:37
 msgid "dictionary storage cannot delete session"
-msgstr ""
-"impossible de supprimer une session dans un espace de stockage dictionary"
+msgstr "impossible de supprimer une session dans un espace de stockage dictionary"
 
 #: tiramisu/storage/dictionary/storage.py:48
-#: tiramisu/storage/sqlalchemy/storage.py:66
 msgid "session already used"
 msgstr "session déjà utilisée"
 
-#: tiramisu/storage/dictionary/storage.py:50
+#: tiramisu/storage/dictionary/storage.py:50 tiramisu/storage/dictionary/value.py:252
 msgid "a dictionary cannot be persistent"
 msgstr "un espace de stockage dictionary ne peut être persistant"
 
-#: tiramisu/value.py:65
-msgid "optiondescription has no value"
-msgstr "une optiondescription n'a pas de valeur"
+#: tiramisu/storage/dictionary/value.py:243
+msgid "information's item not found {0}"
+msgstr "l'information de l'objet ne sont pas trouvé {0}"
 
-#: tiramisu/value.py:350
+#: tiramisu/value.py:391
 msgid "you should only set value with config"
 msgstr "vous devez seul affecter une valeur avec un config"
 
-#: tiramisu/value.py:432
+#: tiramisu/value.py:500
 msgid "owner only avalaible for an option"
 msgstr "owner seulement possible pour une option"
 
-#: tiramisu/value.py:471
+#: tiramisu/value.py:541
 msgid "no value for {0} cannot change owner to {1}"
 msgstr "pas de valeur pour {0} ne peut changer d'utilisateur pour {1}"
 
-#: tiramisu/value.py:572
+#: tiramisu/value.py:671
 msgid "can force cache only if cache is actived in config"
-msgstr ""
-"peut force la mise en cache seulement si le cache est activé dans la config"
+msgstr "peut force la mise en cache seulement si le cache est activé dans la config"
 
-#: tiramisu/value.py:611
+#: tiramisu/value.py:708
 msgid "{0} is already a Multi "
 msgstr "{0} est déjà une Multi"
 
-#: tiramisu/value.py:682
+#: tiramisu/value.py:786
 msgid "cannot append a value on a multi option {0} which is a slave"
 msgstr "ne peut ajouter une valeur sur l'option multi {0} qui est une esclave"
 
-#: tiramisu/value.py:709
+#: tiramisu/value.py:817
 msgid "cannot sort multi option {0} if master or slave"
 msgstr "ne peut trier une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:713
+#: tiramisu/value.py:821
 msgid "cmp is not permitted in python v3 or greater"
 msgstr "cmp n'est pas permis en python v3 ou supérieure"
 
-#: tiramisu/value.py:722
+#: tiramisu/value.py:830
 msgid "cannot reverse multi option {0} if master or slave"
 msgstr "ne peut inverser une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:730
+#: tiramisu/value.py:837
 msgid "cannot insert multi option {0} if master or slave"
 msgstr "ne peut insérer une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:746
+#: tiramisu/value.py:854
 msgid "cannot extend multi option {0} if master or slave"
 msgstr "ne peut étendre une option multi {0} pour une maître ou une esclave"
 
-#: tiramisu/value.py:781
+#: tiramisu/value.py:889
 msgid "cannot pop a value on a multi option {0} which is a slave"
 msgstr "ne peut supprimer une valeur dans l'option multi {0} qui est esclave"
 
+#~ msgid "a default_multi is set whereas multi is False in option: {0}"
+#~ msgstr "une default_multi est renseignée alors que multi est False dans l'option : {0}"
+
+#~ msgid "do_validation for {0}: warning in value"
+#~ msgstr "do_validation for {0} : warning dans un la valeur"
+
+#~ msgid "do_validation for {0}: error in consistency"
+#~ msgstr "do_validation for {0} : erreur dans un test de consistance"
+
+#~ msgid "do_validation for {0}: warning in consistency"
+#~ msgstr "do_validation for {0} : warning dans un test de consistance"
+
+#~ msgid "cannot set optiondescription in an dynoptiondescription"
+#~ msgstr "impossible de mettre une optiondescription dans un dynoptiondescription"
+
+#~ msgid "cannot set symlinkoption in an dynoptiondescription"
+#~ msgstr "impossible de placer un symlinkoption dans un dynoptiondescription"
+
+#~ msgid "unable to get storages:"
+#~ msgstr "impossible de récupérer les storages :"
+
+#~ msgid "{0} instance has no attribute '_readonly'"
+#~ msgstr "{0} instance n'a pas l'attribut '_readonly'"
+
+#~ msgid "optiondescription has no value"
+#~ msgstr "une optiondescription n'a pas de valeur"
+
 #~ msgid "validator not support tuple"
 #~ msgstr "validator n'accepte pas de tuple"
 
@@ -824,18 +816,14 @@ msgstr "ne peut supprimer une valeur dans l'option multi {0} qui est esclave"
 #~ msgid "invalid IP {0} ({1}) with netmask {2}"
 #~ msgstr "IP invalide {0} ({1}) avec masque {2}"
 
-#~ msgid ""
-#~ "invalid len for the master: {0} which has {1} as slave with greater len"
-#~ msgstr ""
-#~ "longueur invalide pour un maître : {0} qui a {1} une esclave avec une "
-#~ "plus grande longueur"
+#~ msgid "invalid len for the master: {0} which has {1} as slave with greater len"
+#~ msgstr "longueur invalide pour un maître : {0} qui a {1} une esclave avec une plus grande longueur"
 
 #~ msgid ""
-#~ "unable to carry out a calculation, option value with multi types must "
-#~ "have same length for: {0}"
+#~ "unable to carry out a calculation, option value with multi types must have same length for: {0}"
 #~ msgstr ""
-#~ "impossible d'effectuer le calcul, la valeur d'une option avec le type "
-#~ "multi doit avoir la même longueur pour : {0}"
+#~ "impossible d'effectuer le calcul, la valeur d'une option avec le type multi doit avoir la même "
+#~ "longueur pour : {0}"
 
 #~ msgid "no child has same nom has master group for: {0}"
 #~ msgstr "pas d'enfant avec le nom du groupe maître pour {0} "
@@ -856,8 +844,7 @@ msgstr "ne peut supprimer une valeur dans l'option multi {0} qui est esclave"
 #~ msgstr "valeur doit être une valeur unicode"
 
 #~ msgid "invalid value {0} for option {1} must be different as {2} option"
-#~ msgstr ""
-#~ "valeur invalide {0} pour l'option {1} doit être différente de l'option {2}"
+#~ msgstr "valeur invalide {0} pour l'option {1} doit être différente de l'option {2}"
 
 #~ msgid "validator should return a boolean, not {0}"
 #~ msgstr "le validator devrait retourner un boolean, pas un {0}"
diff --git a/translations/tiramisu.pot b/translations/tiramisu.pot
index 3bb8e61..332a366 100644
--- a/translations/tiramisu.pot
+++ b/translations/tiramisu.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2015-10-12 17:04+CEST\n"
+"POT-Creation-Date: 2016-08-31 15:38+CEST\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -15,128 +15,132 @@ msgstr ""
 "Generated-By: pygettext.py 1.5\n"
 
 
-#: tiramisu/autolib.py:176
+#: tiramisu/autolib.py:171
 msgid "unable to carry out a calculation, option {0} has properties: {1} for: {2}"
 msgstr ""
 
-#: tiramisu/config.py:61
+#: tiramisu/autolib.py:239
+msgid "callback cannot return a list for a slave option ({0})"
+msgstr ""
+
+#: tiramisu/config.py:64
 msgid "descr must be an optiondescription, not {0}"
 msgstr ""
 
-#: tiramisu/config.py:141
+#: tiramisu/config.py:148
 msgid "unknown group_type: {0}"
 msgstr ""
 
-#: tiramisu/config.py:180 tiramisu/setting.py:326 tiramisu/value.py:54
-#: tiramisu/value.py:645
+#: tiramisu/config.py:187 tiramisu/setting.py:334 tiramisu/value.py:54
+#: tiramisu/value.py:742
 msgid "the context does not exist anymore"
 msgstr ""
 
-#: tiramisu/config.py:185
+#: tiramisu/config.py:192
 msgid "no option description found for this config (may be GroupConfig)"
 msgstr ""
 
-#: tiramisu/config.py:213
+#: tiramisu/config.py:228
 msgid "can't assign to an OptionDescription"
 msgstr ""
 
-#: tiramisu/config.py:342
+#: tiramisu/config.py:379
 msgid "unknown type_ type {0}for _find"
 msgstr ""
 
-#: tiramisu/config.py:382
+#: tiramisu/config.py:422
 msgid "no option found in config with these criteria"
 msgstr ""
 
-#: tiramisu/config.py:432
+#: tiramisu/config.py:470
 msgid "make_dict can't filtering with value without option"
 msgstr ""
 
-#: tiramisu/config.py:451
+#: tiramisu/config.py:493
 msgid "unexpected path {0}, should start with {1}"
 msgstr ""
 
-#: tiramisu/config.py:522
+#: tiramisu/config.py:567
 msgid "opt in getowner must be an option not {0}"
 msgstr ""
 
-#: tiramisu/config.py:567
+#: tiramisu/config.py:615
 msgid "cannot serialize Config with MetaConfig"
 msgstr ""
 
-#: tiramisu/config.py:581
+#: tiramisu/config.py:629
 msgid "this storage is not serialisable, could be a none persistent storage"
 msgstr ""
 
-#: tiramisu/config.py:645
+#: tiramisu/config.py:693
 msgid "invalid name: {0} for config"
 msgstr ""
 
-#: tiramisu/config.py:676
+#: tiramisu/config.py:724
 msgid "groupconfig's children must be a list"
 msgstr ""
 
-#: tiramisu/config.py:680
+#: tiramisu/config.py:728
 msgid "groupconfig's children must be Config, MetaConfig or GroupConfig"
 msgstr ""
 
-#: tiramisu/config.py:683
+#: tiramisu/config.py:731
 msgid "name must be set to config before creating groupconfig"
 msgstr ""
 
-#: tiramisu/config.py:691
+#: tiramisu/config.py:737
 msgid "config name must be uniq in groupconfig for {0}"
 msgstr ""
 
-#: tiramisu/config.py:806
+#: tiramisu/config.py:846
 msgid "metaconfig's children should be config, not {0}"
 msgstr ""
 
-#: tiramisu/config.py:810
+#: tiramisu/config.py:850
 msgid "child has already a metaconfig's"
 msgstr ""
 
-#: tiramisu/config.py:814
+#: tiramisu/config.py:854
 msgid "all config in metaconfig must have the same optiondescription"
 msgstr ""
 
-#: tiramisu/config.py:826
+#: tiramisu/config.py:869
 msgid "force_default, force_default_if_same or force_dont_change_value cannot be set with only_config"
 msgstr ""
 
-#: tiramisu/config.py:832
+#: tiramisu/config.py:875
 msgid "force_default and force_dont_change_value cannot be set together"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:57
+#: tiramisu/option/baseoption.py:56
 msgid "{0} must be a function"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:60
+#: tiramisu/option/baseoption.py:59
 msgid "{0}_params must be a dict"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:63
+#: tiramisu/option/baseoption.py:62
 msgid "{0}_params with key {1} mustn't have length different to 1"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:67
+#: tiramisu/option/baseoption.py:66
 msgid "{0}_params must be tuple for key \"{1}\""
 msgstr ""
 
-#: tiramisu/option/baseoption.py:73
+#: tiramisu/option/baseoption.py:72
 msgid "{0}_params with length of tuple as 1 must only have None as first value"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:77
+#: tiramisu/option/baseoption.py:76
 msgid "{0}_params must only have 1 or 2 as length"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:83
+#: tiramisu/option/baseoption.py:82
 msgid "{0}_params must have an option not a {0} for first argument"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:87
+#: tiramisu/option/baseoption.py:86
 msgid "{0}_params must have a boolean not a {0} for second argument"
 msgstr ""
 
@@ -144,155 +148,155 @@ msgstr ""
 msgid "invalid name: {0} for option"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:111
-msgid "a default_multi is set whereas multi is False in option: {0}"
+#: tiramisu/option/baseoption.py:105
+msgid "default_multi is set whereas multi is False in option: {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:122
+#: tiramisu/option/baseoption.py:117
+msgid "invalid multi value"
+msgstr ""
+
+#: tiramisu/option/baseoption.py:127
 msgid "invalid properties type {0} for {1}, must be a tuple"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:147
+#: tiramisu/option/baseoption.py:156
 msgid "params defined for a callback function but no callback defined yet for option {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:152
+#: tiramisu/option/baseoption.py:161
 msgid "a callback is already set for option {0}, cannot set another one's"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:279
+#: tiramisu/option/baseoption.py:245
 msgid "cannot serialize Option, only in OptionDescription"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:365
+#: tiramisu/option/baseoption.py:326 tiramisu/storage/dictionary/option.py:117
 msgid "'{0}' ({1}) object attribute '{2}' is read-only"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:391
+#: tiramisu/option/baseoption.py:350 tiramisu/option/option.py:145
+msgid "invalid string"
+msgstr ""
+
+#: tiramisu/option/baseoption.py:353
 msgid "invalid unicode or string"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:551 tiramisu/option/baseoption.py:592
+#: tiramisu/option/baseoption.py:493 tiramisu/option/baseoption.py:526
 msgid "invalid value for option {0}: {1}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:560
+#: tiramisu/option/baseoption.py:500
 msgid "do_validation for {0}: error in value"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:566
-msgid "do_validation for {0}: warning in value"
-msgstr ""
-
-#: tiramisu/option/baseoption.py:576
-msgid "do_validation for {0}: error in consistency"
-msgstr ""
-
-#: tiramisu/option/baseoption.py:580
-msgid "do_validation for {0}: warning in consistency"
-msgstr ""
-
-#: tiramisu/option/baseoption.py:584
+#: tiramisu/option/baseoption.py:518
 msgid "warning on the value of the option {0}: {1}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:604 tiramisu/option/baseoption.py:613
+#: tiramisu/option/baseoption.py:540 tiramisu/option/baseoption.py:550
 msgid "invalid value {0} for option {1} which must be a list"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:619
+#: tiramisu/option/baseoption.py:556
 msgid "invalid value {0} for option {1} which must be a list of list"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:672
-msgid "'{0}' ({1}) cannot add consistency, option is read-only"
+#: tiramisu/option/baseoption.py:599 tiramisu/option/baseoption.py:603
+msgid "cannot add consistency with submulti option"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:684
-msgid "unknow parameter {0} in consistency"
-msgstr ""
-
-#: tiramisu/option/baseoption.py:691
+#: tiramisu/option/baseoption.py:605
 msgid "consistency must be set with an option"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:694 tiramisu/option/baseoption.py:701
+#: tiramisu/option/baseoption.py:608 tiramisu/option/baseoption.py:615
 msgid "almost one option in consistency is in a dynoptiondescription but not all"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:697
+#: tiramisu/option/baseoption.py:611
 msgid "option in consistency must be in same dynoptiondescription"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:704
+#: tiramisu/option/baseoption.py:618
 msgid "cannot add consistency with itself"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:706
+#: tiramisu/option/baseoption.py:620
 msgid "every options in consistency must be multi or none"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:710
+#: tiramisu/option/baseoption.py:634
+msgid "'{0}' ({1}) cannot add consistency, option is read-only"
+msgstr ""
+
+#: tiramisu/option/baseoption.py:641
 msgid "consistency {0} not available for this option"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:739
+#: tiramisu/option/baseoption.py:645
+msgid "unknow parameter {0} in consistency"
+msgstr ""
+
+#: tiramisu/option/baseoption.py:695
 msgid "same value for {0} and {1}, should be different"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:741
+#: tiramisu/option/baseoption.py:697
 msgid "same value for {0} and {1}, must be different"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:797
+#: tiramisu/option/baseoption.py:755
 msgid "default value not allowed if option: {0} is calculated"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:819
+#: tiramisu/option/baseoption.py:775
 msgid "malformed requirements type for option: {0}, must be a dict"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:825
+#: tiramisu/option/baseoption.py:781
 msgid "malformed requirements for option: {0} unknown keys {1}, must only {2}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:836
+#: tiramisu/option/baseoption.py:789
 msgid "malformed requirements for option: {0} require must have option, expected and action keys"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:840
+#: tiramisu/option/baseoption.py:796
 msgid "malformed requirements for option: {0} action cannot be force_store_value"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:845
+#: tiramisu/option/baseoption.py:801
 msgid "malformed requirements for option: {0} inverse must be boolean"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:849
+#: tiramisu/option/baseoption.py:805
 msgid "malformed requirements for option: {0} transitive must be boolean"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:853
+#: tiramisu/option/baseoption.py:809
 msgid "malformed requirements for option: {0} same_action must be boolean"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:857
+#: tiramisu/option/baseoption.py:813
 msgid "malformed requirements must be an option in option {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:860
-msgid "malformed requirements option {0} must not be a multi for {1}"
+#: tiramisu/option/baseoption.py:816
+msgid "malformed requirements multi option must not set as requires of non multi option {0}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:867
+#: tiramisu/option/baseoption.py:822
 msgid "malformed requirements second argument must be valid for option {0}: {1}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:872
+#: tiramisu/option/baseoption.py:827
 msgid "inconsistency in action types for option: {0} action: {1}"
 msgstr ""
 
-#: tiramisu/option/baseoption.py:900
+#: tiramisu/option/baseoption.py:855
 msgid "malformed symlinkoption must be an option for symlink {0}"
 msgstr ""
 
@@ -308,15 +312,19 @@ msgstr ""
 msgid "not allowed option {0} in group {1}: this option is not a multi"
 msgstr ""
 
-#: tiramisu/option/masterslave.py:53
+#: tiramisu/option/masterslave.py:52
+msgid "not allowed default value for option {0} in group {1}"
+msgstr ""
+
+#: tiramisu/option/masterslave.py:57
 msgid "master group with wrong master name for {0}"
 msgstr ""
 
-#: tiramisu/option/masterslave.py:63
+#: tiramisu/option/masterslave.py:67
 msgid "callback of master's option shall not refered a slave's ones"
 msgstr ""
 
-#: tiramisu/option/masterslave.py:260
+#: tiramisu/option/masterslave.py:283
 msgid "invalid len for the slave: {0} which has {1} as master"
 msgstr ""
 
@@ -328,240 +336,271 @@ msgstr ""
 msgid "values must be a tuple or a function for {0}"
 msgstr ""
 
-#: tiramisu/option/option.py:81
+#: tiramisu/option/option.py:91
 msgid "calculated values for {0} is not a list"
 msgstr ""
 
-#: tiramisu/option/option.py:89
+#: tiramisu/option/option.py:102
 msgid "value {0} is not permitted, only {1} is allowed"
 msgstr ""
 
-#: tiramisu/option/option.py:103
+#: tiramisu/option/option.py:115
 msgid "invalid boolean"
 msgstr ""
 
-#: tiramisu/option/option.py:112
+#: tiramisu/option/option.py:125
 msgid "invalid integer"
 msgstr ""
 
-#: tiramisu/option/option.py:121
+#: tiramisu/option/option.py:135
 msgid "invalid float"
 msgstr ""
 
-#: tiramisu/option/option.py:130
-msgid "invalid string"
-msgstr ""
-
-#: tiramisu/option/option.py:146
+#: tiramisu/option/option.py:162
 msgid "invalid unicode"
 msgstr ""
 
-#: tiramisu/option/option.py:179 tiramisu/option/option.py:182
-#: tiramisu/option/option.py:187
+#: tiramisu/option/option.py:207 tiramisu/option/option.py:210
+#: tiramisu/option/option.py:215
 msgid "invalid IP"
 msgstr ""
 
-#: tiramisu/option/option.py:193
+#: tiramisu/option/option.py:221
 msgid "IP is in reserved class"
 msgstr ""
 
-#: tiramisu/option/option.py:195
+#: tiramisu/option/option.py:223
 msgid "invalid IP, mustn't be in reserved class"
 msgstr ""
 
-#: tiramisu/option/option.py:199
+#: tiramisu/option/option.py:227
 msgid "IP is not in private class"
 msgstr ""
 
-#: tiramisu/option/option.py:201
+#: tiramisu/option/option.py:229
 msgid "invalid IP, must be in private class"
 msgstr ""
 
-#: tiramisu/option/option.py:206 tiramisu/option/option.py:384
+#: tiramisu/option/option.py:234 tiramisu/option/option.py:438
 msgid "invalid len for vals"
 msgstr ""
 
-#: tiramisu/option/option.py:212
+#: tiramisu/option/option.py:240
 msgid "IP {0} ({1}) not in network {2} ({3}) with netmask {4} ({5})"
 msgstr ""
 
-#: tiramisu/option/option.py:215
+#: tiramisu/option/option.py:243
 msgid "invalid IP {0} ({1}) not in network {2} ({3}) with netmask {4} ({5})"
 msgstr ""
 
-#: tiramisu/option/option.py:257
+#: tiramisu/option/option.py:286
 msgid "inconsistency in allowed range"
 msgstr ""
 
-#: tiramisu/option/option.py:262
+#: tiramisu/option/option.py:291
 msgid "max value is empty"
 msgstr ""
 
-#: tiramisu/option/option.py:283
+#: tiramisu/option/option.py:319
 msgid "invalid port, range must have two values only"
 msgstr ""
 
-#: tiramisu/option/option.py:286
+#: tiramisu/option/option.py:322
 msgid "invalid port, first port in range must be smaller than the second one"
 msgstr ""
 
-#: tiramisu/option/option.py:295
+#: tiramisu/option/option.py:329
 msgid "invalid port"
 msgstr ""
 
-#: tiramisu/option/option.py:297
+#: tiramisu/option/option.py:332
 msgid "invalid port, must be an integer between {0} and {1}"
 msgstr ""
 
-#: tiramisu/option/option.py:311
+#: tiramisu/option/option.py:347 tiramisu/option/option.py:350
+#: tiramisu/option/option.py:354
 msgid "invalid network address"
 msgstr ""
 
-#: tiramisu/option/option.py:317
+#: tiramisu/option/option.py:360
 msgid "network address is in reserved class"
 msgstr ""
 
-#: tiramisu/option/option.py:319
+#: tiramisu/option/option.py:362
 msgid "invalid network address, mustn't be in reserved class"
 msgstr ""
 
-#: tiramisu/option/option.py:332
+#: tiramisu/option/option.py:376 tiramisu/option/option.py:379
+#: tiramisu/option/option.py:383
 msgid "invalid netmask address"
 msgstr ""
 
-#: tiramisu/option/option.py:349
+#: tiramisu/option/option.py:400
 msgid "invalid len for opts"
 msgstr ""
 
-#: tiramisu/option/option.py:358
+#: tiramisu/option/option.py:409
 msgid "invalid IP {0} ({1}) with netmask {2}, this IP is a network"
 msgstr ""
 
-#: tiramisu/option/option.py:361
+#: tiramisu/option/option.py:412
 msgid "invalid IP {0} ({1}) with netmask {2}, this IP is a broadcast"
 msgstr ""
 
-#: tiramisu/option/option.py:366
+#: tiramisu/option/option.py:417
 msgid "invalid network {0} ({1}) with netmask {2}"
 msgstr ""
 
-#: tiramisu/option/option.py:380
+#: tiramisu/option/option.py:434
 msgid "invalid broadcast address"
 msgstr ""
 
-#: tiramisu/option/option.py:389
+#: tiramisu/option/option.py:443
 msgid "invalid broadcast {0} ({1}) with network {2} ({3}) and netmask {4} ({5})"
 msgstr ""
 
-#: tiramisu/option/option.py:410
+#: tiramisu/option/option.py:464
 msgid "unknown type_ {0} for hostname"
 msgstr ""
 
-#: tiramisu/option/option.py:413
+#: tiramisu/option/option.py:467
 msgid "allow_ip must be a boolean"
 msgstr ""
 
-#: tiramisu/option/option.py:415
+#: tiramisu/option/option.py:469
 msgid "allow_without_dot must be a boolean"
 msgstr ""
 
-#: tiramisu/option/option.py:437
+#: tiramisu/option/option.py:495
 msgid "invalid domainname's length (min 1)"
 msgstr ""
 
-#: tiramisu/option/option.py:439
+#: tiramisu/option/option.py:497
 msgid "invalid domainname's length (max {0})"
 msgstr ""
 
-#: tiramisu/option/option.py:454
+#: tiramisu/option/option.py:512
+msgid "invalid domainname, must not be an IP"
+msgstr ""
+
+#: tiramisu/option/option.py:519
 msgid "invalid domainname, must have dot"
 msgstr ""
 
-#: tiramisu/option/option.py:456
+#: tiramisu/option/option.py:521
 msgid "invalid domainname's length (max 255)"
 msgstr ""
 
-#: tiramisu/option/option.py:465
+#: tiramisu/option/option.py:532
 msgid "some characters are uppercase"
 msgstr ""
 
-#: tiramisu/option/option.py:468
+#: tiramisu/option/option.py:535
 msgid "some characters may cause problems"
 msgstr ""
 
-#: tiramisu/option/option.py:470
+#: tiramisu/option/option.py:537
 msgid "invalid domainname"
 msgstr ""
 
-#: tiramisu/option/option.py:495
+#: tiramisu/option/option.py:563
 msgid "invalid email address, must contains one @"
 msgstr ""
 
-#: tiramisu/option/option.py:498
+#: tiramisu/option/option.py:566
 msgid "invalid username in email address"
 msgstr ""
 
-#: tiramisu/option/option.py:515
+#: tiramisu/option/option.py:588
 msgid "invalid url, must start with http:// or https://"
 msgstr ""
 
-#: tiramisu/option/option.py:534
+#: tiramisu/option/option.py:606
 msgid "invalid url, port must be an between 0 and 65536"
 msgstr ""
 
-#: tiramisu/option/option.py:541
+#: tiramisu/option/option.py:617
 msgid "invalid url, must ends with a valid resource name"
 msgstr ""
 
-#: tiramisu/option/option.py:556
+#: tiramisu/option/option.py:635
 msgid "invalid username"
 msgstr ""
 
-#: tiramisu/option/option.py:567
+#: tiramisu/option/option.py:649
 msgid "invalid filename"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:68
+#: tiramisu/option/optiondescription.py:73
 msgid "duplicate option name: {0}"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:73
+#: tiramisu/option/optiondescription.py:78
 msgid "option must not start as dynoptiondescription"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:117
-msgid "consistency with option {0} which is not in Config"
+#: tiramisu/option/optiondescription.py:134
+msgid "malformed consistency option {0} must be a master/slaves"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:143
+#: tiramisu/option/optiondescription.py:141
+msgid "malformed consistency option {0} must not be a multi for {1}"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:145
+msgid "malformed consistency option {0} must be in same master/slaves for {1}"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:170
+msgid "malformed requirements option {0} must be in same master/slaves for {1}"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:174
+msgid "malformed requirements option {0} must not be a multi for {1}"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:183
 msgid "duplicate option: {0}"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:154
+#: tiramisu/option/optiondescription.py:188
+msgid "consistency with option {0} which is not in Config"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:201
+msgid "a slave ({0}) cannot have force_store_value property"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:204
+msgid "a dynoption ({0}) cannot have force_store_value property"
+msgstr ""
+
+#: tiramisu/option/optiondescription.py:218
 msgid "cannot change group_type if already set (old {0}, new {1})"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:162
+#: tiramisu/option/optiondescription.py:226
 msgid "group_type: {0} not allowed"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:260
+#: tiramisu/option/optiondescription.py:288
 msgid "DynOptionDescription callback return not uniq value"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:263
+#: tiramisu/option/optiondescription.py:291
 msgid "invalid suffix: {0} for option"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:320
-msgid "cannot set optiondescription in an dynoptiondescription"
+#: tiramisu/option/optiondescription.py:348
+msgid "cannot set optiondescription in a dynoptiondescription"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:325
-msgid "cannot set symlinkoption in an dynoptiondescription"
+#: tiramisu/option/optiondescription.py:353
+#: tiramisu/option/optiondescription.py:356
+msgid "cannot set symlinkoption in a dynoptiondescription"
 msgstr ""
 
-#: tiramisu/option/optiondescription.py:333
+#: tiramisu/option/optiondescription.py:364
 msgid "callback is mandatory for dynoptiondescription"
 msgstr ""
 
@@ -573,105 +612,102 @@ msgstr ""
 msgid "can't unbind {0}"
 msgstr ""
 
-#: tiramisu/setting.py:260
+#: tiramisu/setting.py:264
 msgid "cannot append {0} property for option {1}: this property is calculated"
 msgstr ""
 
-#: tiramisu/setting.py:349
-msgid "you should only append/remove properties"
-msgstr ""
-
-#: tiramisu/setting.py:353
-msgid "opt and all_properties must not be set together in reset"
-msgstr ""
-
-#: tiramisu/setting.py:373
-msgid "if opt is not None, path should not be None in _getproperties"
-msgstr ""
-
-#: tiramisu/setting.py:417
+#: tiramisu/setting.py:268 tiramisu/setting.py:434
 msgid "cannot add those properties: {0}"
 msgstr ""
 
-#: tiramisu/setting.py:490
-msgid "cannot change the value for option {0} this option is frozen"
+#: tiramisu/setting.py:357
+msgid "you should only append/remove properties"
+msgstr ""
+
+#: tiramisu/setting.py:361
+msgid "opt and all_properties must not be set together in reset"
+msgstr ""
+
+#: tiramisu/setting.py:382
+msgid "if opt is not None, path should not be None in _getproperties"
 msgstr ""
 
 #: tiramisu/setting.py:500
+msgid "cannot change the value for option {0} this option is frozen"
+msgstr ""
+
+#: tiramisu/setting.py:510
 msgid "trying to access to an {0} named: {1} with properties {2}"
 msgstr ""
 
-#: tiramisu/setting.py:519
+#: tiramisu/setting.py:529
 msgid "permissive must be a tuple"
 msgstr ""
 
-#: tiramisu/setting.py:526 tiramisu/value.py:464
+#: tiramisu/setting.py:536 tiramisu/value.py:536
 msgid "invalid generic owner {0}"
 msgstr ""
 
-#: tiramisu/setting.py:614
+#: tiramisu/setting.py:630
 msgid "malformed requirements imbrication detected for option: '{0}' with requirement on: '{1}'"
 msgstr ""
 
-#: tiramisu/setting.py:625
+#: tiramisu/setting.py:647
 msgid "option '{0}' has requirement's property error: {1} {2}"
 msgstr ""
 
-#: tiramisu/storage/__init__.py:49
+#: tiramisu/storage/__init__.py:52
 msgid "storage_type is already set, cannot rebind it"
 msgstr ""
 
-#: tiramisu/storage/__init__.py:60
+#: tiramisu/storage/__init__.py:63
 msgid "cannot import the storage {0}"
 msgstr ""
 
-#: tiramisu/storage/__init__.py:93
+#: tiramisu/storage/__init__.py:96
 msgid "option {0} not already exists in storage {1}"
 msgstr ""
 
-#: tiramisu/storage/__init__.py:131
-msgid "unable to get storages:"
-msgstr ""
-
-#: tiramisu/storage/dictionary/option.py:96
+#: tiramisu/storage/dictionary/option.py:102
 msgid "invalid default_multi value {0} for option {1}: {2}"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:138
-#: tiramisu/storage/sqlalchemy/option.py:439 tiramisu/value.py:528
+#: tiramisu/storage/dictionary/option.py:142
+#: tiramisu/storage/dictionary/value.py:234
+#: tiramisu/storage/sqlalchemy/option.py:441
 msgid "information's item not found: {0}"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:365
-#: tiramisu/storage/sqlalchemy/option.py:483
+#: tiramisu/storage/dictionary/option.py:383
+msgid "use impl_get_opt_by_path only with root OptionDescription"
+msgstr ""
+
+#: tiramisu/storage/dictionary/option.py:385
+#: tiramisu/storage/sqlalchemy/option.py:485
 msgid "no option for path {0}"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:369
-#: tiramisu/storage/sqlalchemy/option.py:492
+#: tiramisu/storage/dictionary/option.py:390
+#: tiramisu/storage/sqlalchemy/option.py:494
 msgid "use impl_get_path_by_opt only with root OptionDescription"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:373
-#: tiramisu/storage/sqlalchemy/option.py:493
+#: tiramisu/storage/dictionary/option.py:392
+#: tiramisu/storage/sqlalchemy/option.py:495
 msgid "no option {0} found"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:422
+#: tiramisu/storage/dictionary/option.py:439
 msgid "cannot find dynpath"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:512
-#: tiramisu/storage/sqlalchemy/option.py:638
+#: tiramisu/storage/dictionary/option.py:528
+#: tiramisu/storage/sqlalchemy/option.py:640
 msgid "suffix and context needed if it's a dyn option"
 msgstr ""
 
-#: tiramisu/storage/dictionary/option.py:525
-msgid "{0} instance has no attribute '_readonly'"
-msgstr ""
-
-#: tiramisu/storage/dictionary/option.py:539
-#: tiramisu/storage/sqlalchemy/option.py:668
+#: tiramisu/storage/dictionary/option.py:549
+#: tiramisu/storage/sqlalchemy/option.py:670
 msgid "unknown Option {0} in OptionDescription {1}"
 msgstr ""
 
@@ -680,63 +716,63 @@ msgid "dictionary storage cannot delete session"
 msgstr ""
 
 #: tiramisu/storage/dictionary/storage.py:48
-#: tiramisu/storage/sqlalchemy/storage.py:66
 msgid "session already used"
 msgstr ""
 
 #: tiramisu/storage/dictionary/storage.py:50
+#: tiramisu/storage/dictionary/value.py:252
 msgid "a dictionary cannot be persistent"
 msgstr ""
 
-#: tiramisu/value.py:65
-msgid "optiondescription has no value"
+#: tiramisu/storage/dictionary/value.py:243
+msgid "information's item not found {0}"
 msgstr ""
 
-#: tiramisu/value.py:350
+#: tiramisu/value.py:391
 msgid "you should only set value with config"
 msgstr ""
 
-#: tiramisu/value.py:432
+#: tiramisu/value.py:500
 msgid "owner only avalaible for an option"
 msgstr ""
 
-#: tiramisu/value.py:471
+#: tiramisu/value.py:541
 msgid "no value for {0} cannot change owner to {1}"
 msgstr ""
 
-#: tiramisu/value.py:572
+#: tiramisu/value.py:671
 msgid "can force cache only if cache is actived in config"
 msgstr ""
 
-#: tiramisu/value.py:611
+#: tiramisu/value.py:708
 msgid "{0} is already a Multi "
 msgstr ""
 
-#: tiramisu/value.py:682
+#: tiramisu/value.py:786
 msgid "cannot append a value on a multi option {0} which is a slave"
 msgstr ""
 
-#: tiramisu/value.py:709
+#: tiramisu/value.py:817
 msgid "cannot sort multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:713
+#: tiramisu/value.py:821
 msgid "cmp is not permitted in python v3 or greater"
 msgstr ""
 
-#: tiramisu/value.py:722
+#: tiramisu/value.py:830
 msgid "cannot reverse multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:730
+#: tiramisu/value.py:837
 msgid "cannot insert multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:746
+#: tiramisu/value.py:854
 msgid "cannot extend multi option {0} if master or slave"
 msgstr ""
 
-#: tiramisu/value.py:781
+#: tiramisu/value.py:889
 msgid "cannot pop a value on a multi option {0} which is a slave"
 msgstr ""