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Type:
Task
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Resolution: Done
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Priority:
Major - P3
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None
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Affects Version/s: 3.0.2
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Component/s: None
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Environment:Linux 64 Bit, wheezy
We dumped everything from a v2.6.4 sharded system to restore it on a v3.0.2 sharded system. The users got not restored. The role of the user doing the dump and restore was root.
Since the users were not restored, we tried to restore the admin database which didn't work either. Also restoring only system.users didn't work:
14:54:27]root@s516 puppet /home/admin# mongorestore --host s516:27017 -uadmin -pXXX -d admin /data/dump_b30/admin/ 2015-05-28T14:54:47.983+0200 building a list of collections to restore from /data/dump_b30/admin/ dir 2015-05-28T14:54:47.985+0200 reading metadata file from /data/dump_b30/admin/system.new_users.meta data.json 2015-05-28T14:54:47.985+0200 reading metadata file from /data/dump_b30/admin/system.backup_users.metadata.json 2015-05-28T14:54:47.985+0200 restoring admin.system.new_users from file /data/dump_b30/admin/system.new_users.bson 2015-05-28T14:54:47.985+0200 restoring admin.system.backup_users from file /data/dump_b30/admin/system.backup_users.bson 2015-05-28T14:54:47.986+0200 error: Writes to config servers must have batch size of 1, found 5 2015-05-28T14:54:47.986+0200 restoring indexes for collection admin.system.backup_users from metadata 2015-05-28T14:54:47.987+0200 finished restoring admin.system.backup_users 2015-05-28T14:54:48.001+0200 error: Writes to config servers must have batch size of 1, found 273 2015-05-28T14:54:48.001+0200 restoring indexes for collection admin.system.new_users from metadata 2015-05-28T14:54:48.046+0200 finished restoring admin.system.new_users 2015-05-28T14:54:48.046+0200 restoring users from /data/dump_b30/admin/system.users.bson 2015-05-28T14:54:48.048+0200 error: Writes to config servers must have batch size of 1, found 368 2015-05-28T14:54:48.848+0200 error dropping temporary collection tempusers: exception: write $cmd failed on a node: { "ok" : 0, "errmsg" : "ns not found" } s516.ipx:27019 (172.16.66.81) ns: admin.$cmd cmd: { drop: "tempusers" } 2015-05-28T14:54:48.848+0200 restoring roles from /data/dump_b30/admin/system.roles.bson 2015-05-28T14:54:48.848+0200 roles file '/data/dump_b30/admin/system.roles.bson' is empty; skipping roles restoration 2015-05-28T14:54:48.848+0200 done [14:54:48]root@s516 puppet /home/admin# mongorestore --host s516:27017 -uadmin -pXXX -d admin /data/dump_b30/admin/system.users.bson 2015-05-28T14:55:00.942+0200 checking for collection data in /data/dump_b30/admin/system.users.bson 2015-05-28T14:55:00.942+0200 assuming users in the dump directory are from <= 2.4 (auth version 1) 2015-05-28T14:55:00.942+0200 Failed: the users and roles collections in the dump have an incompatible auth version with target server: cannot restore users of auth version 1 to a server of auth version 5 [14:55:00]root@s516 puppet /home/admin# mongo s516:27017/admin -uadmin -pXXX MongoDB shell version: 3.0.2 connecting to: s516:27017/admin mongos> db.version() 3.0.2 mongos> db.system.version.find() { "_id" : "authSchema", "currentVersion" : 5 } mongos> ^C bye [14:55:14]root@s516 puppet /home/admin# mongo b30.lvl.bln:27017/admin -uadmin -pXXX MongoDB shell version: 3.0.2 connecting to: b30.lvl.bln:27017/admin mongos> db.version() 2.6.4 mongos> db.system.version.find() { "_id" : "authSchema", "currentVersion" : 3 } mongos> ^C bye
The only solution we found was to dump every single database using the mongodump option --dumpDbUsersAndRoles and restore them one by one using the mongorestore option --restoreDbUsersAndRoles. The latter required to add the role "restore" to the root user.
- related to
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SERVER-13647 root role does not contain sufficient privileges for a mongorestore of a system with security enabled
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- Closed
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