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How Remove database with special char ?
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Mathieu Chocat  
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 More options Nov 15 2012, 7:54 am
From: Mathieu Chocat <mcho...@gmail.com>
Date: Thu, 15 Nov 2012 04:54:32 -0800 (PST)
Local: Thurs, Nov 15 2012 7:54 am
Subject: How Remove database with special char ?
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Hi,

After a mongodb crash on replicaset, mongo have create a database called
' t@ i ڷPfilemasterdb'  in _status web page is ' t@ i ڷP\u0007filemasterdb'
.

I've tried:

> use t@ i ڷPfilemasterdb
> db.dropDatabase()
And
> db.getSiblingDB(" t@ i ڷPfileadserver").dropDatabase()

Without success, i search for other method, i can't dump/restore this
mongodb replicaset.

 
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Dwight Merriman  
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 More options Nov 15 2012, 3:35 pm
From: Dwight Merriman <dwi...@10gen.com>
Date: Thu, 15 Nov 2012 12:35:31 -0800 (PST)
Local: Thurs, Nov 15 2012 3:35 pm
Subject: Re: How Remove database with special char ?
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you could try something like this:

> var name = db.getMongo().getDBs().databases[2].name
> var bad_db = db.getSisterDB(name)

Another way: shut down the whole set (all its processes).  Delete the
datafiles for the junk database on all mongod locations of relevance.
 Restart.

Do all members of the replica set have the bad database?


 
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Mathieu Chocat  
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 More options Nov 19 2012, 5:40 am
From: Mathieu Chocat <mcho...@gmail.com>
Date: Mon, 19 Nov 2012 02:40:58 -0800 (PST)
Local: Mon, Nov 19 2012 5:40 am
Subject: Re: How Remove database with special char ?
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> var name = db.getMongo().getDBs().databases[2].name
> var bad_db = db.getSisterDB(name)

I've tried this, but mongodb don't find the file on disk, in console drop
is Ok, in log nothing, but the database is not removed (may be because
special char has been replaced by '?' on disk since i've migrated mongo
2.0.7 => 2.2.1 and resync).

To delete the file, i don't know the reaction of mongo with a replicaset
(risk of crash with oplog replay or resync if i don't stop all the replica
and i can't stop all)

> Do all members of the replica set have the bad database?

Yes

 
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Sam Helman  
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 More options Nov 20 2012, 3:31 pm
From: Sam Helman <sam.hel...@10gen.com>
Date: Tue, 20 Nov 2012 12:31:07 -0800 (PST)
Local: Tues, Nov 20 2012 3:31 pm
Subject: Re: How Remove database with special char ?
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What does "show dbs" output?  Additionally, how much data do you have in
your other dbs?  If you don't have a prohibitive amount of data, you could
mongoexport or mongodump every db except the bad one, and then delete the
data files and reimport them.


 
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