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From: NeilBrown <neilb@suse.de>
To: Marek Becka <marek.becka@superhosting.cz>
Cc: linux-raid@vger.kernel.org
Subject: Re: mdadm fails to assemble arrays with quotes in name
Date: Thu, 9 May 2013 15:14:23 +1000	[thread overview]
Message-ID: <20130509151423.7c0e2256@notabene.brown> (raw)
In-Reply-To: <5187E9AB.4040904@superhosting.cz>

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On Mon, 06 May 2013 19:34:35 +0200 Marek Becka <marek.becka@superhosting.cz>
wrote:

> Hi,
> 
> By accident I have created an array with simple quotes in name:
> 
> mdadm --assemble /dev/md0 --name=\'newname\':0 --update=name /dev/sdb1 
> /dev/sdd1
> 
> My mdadm.conf contains following line:
> 
> ARRAY /dev/md/0 metadata=1.2 UUID=0324aa8b:e17efd1a:bae27dd0:66fc7573 
> name='newname':0

Try:
   ..... name="'newname':-"

That should work.  Quotes are special.

I should probably update the mdadm.conf manpage to mention that.

NeilBrown


> 
> Mdadm fails to assemble this array. After removing the name from 
> mdadm.conf, everything works fine.
> 
> mdadm  --assemble --scan -v 2>&1 | grep sd[bd]1
> mdadm: no RAID superblock on /dev/sdd1
> mdadm: no RAID superblock on /dev/sdb1
> mdadm: /dev/sdd1 has wrong uuid.
> mdadm: /dev/sdb1 has wrong uuid.
> mdadm: /dev/sdd1 has wrong name.
> mdadm: /dev/sdb1 has wrong name.
> 
> I'm using mdadm - v3.2.5 - 18th May 2012 and kernel version 3.4.35. The 
> superblock contains:
> 
> mdadm  --examine /dev/sdb1
> /dev/sdb1:
>            Magic : a92b4efc
>          Version : 1.2
>      Feature Map : 0x0
>       Array UUID : 0324aa8b:e17efd1a:bae27dd0:66fc7573
>             Name : 'newname':0
>    Creation Time : Thu Apr 11 17:54:28 2013
>       Raid Level : raid1
>     Raid Devices : 2
> 
>   Avail Dev Size : 2097128 (1024.16 MiB 1073.73 MB)
>       Array Size : 1048564 (1024.16 MiB 1073.73 MB)
>      Data Offset : 24 sectors
>     Super Offset : 8 sectors
>            State : clean
>      Device UUID : e9094b42:d1f2e7e4:71b7a626:77e008aa
> 
>      Update Time : Sat Apr 13 00:53:27 2013
>         Checksum : afddd58 - correct
>           Events : 36
> 
> 
>     Device Role : Active device 0
>     Array State : AA ('A' == active, '.' == missing)
> 
> mdadm  --examine /dev/sdd1
> /dev/sdd1:
>            Magic : a92b4efc
>          Version : 1.2
>      Feature Map : 0x0
>       Array UUID : 0324aa8b:e17efd1a:bae27dd0:66fc7573
>             Name : 'newname':0
>    Creation Time : Thu Apr 11 17:54:28 2013
>       Raid Level : raid1
>     Raid Devices : 2
> 
>   Avail Dev Size : 2097128 (1024.16 MiB 1073.73 MB)
>       Array Size : 1048564 (1024.16 MiB 1073.73 MB)
>      Data Offset : 24 sectors
>     Super Offset : 8 sectors
>            State : clean
>      Device UUID : a841cc4e:b37b0765:70225714:71c65fdd
> 
>      Update Time : Sat Apr 13 00:53:27 2013
>         Checksum : b8a5eef2 - correct
>           Events : 36
> 
> 
>     Device Role : Active device 1
>     Array State : AA ('A' == active, '.' == missing)
> 
> --
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  reply	other threads:[~2013-05-09  5:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-06 17:34 mdadm fails to assemble arrays with quotes in name Marek Becka
2013-05-09  5:14 ` NeilBrown [this message]
2013-05-09 15:47   ` Marek Becka
2013-05-13  1:34 ` NeilBrown

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