From: "Donghui Wen" <dhwen@protegonetworks.com>
To: Michael Duggan <md5i@sei.cmu.edu>, linux-raid@vger.kernel.org
Subject: Re: RAID reconstruction problems
Date: Tue, 2 Sep 2003 11:29:16 -0700 [thread overview]
Message-ID: <003d01c37180$1db2b730$df01010a@moon> (raw)
In-Reply-To: 87wucrnb63.fsf@cs.cmu.edu
Have you partitioned the new disk before you rebuild?
Donghui
----- Original Message -----
From: "Michael Welsh Duggan" <md5i@cs.cmu.edu>
To: <linux-raid@vger.kernel.org>
Sent: Monday, September 01, 2003 8:04 PM
Subject: RAID reconstruction problems
> I currently have two small Software RAIDs, a RAID 1 for my root
> partition, and a RAID 5 for my usr partition. One of the disks in the
> arrays died, and I threw in a new disk in with the intention of
> rebuilding the arrays.
>
> The rebuilds failed, but in an extremely strange fashion. Monitoring
> /proc/mdstat, it seems that the rebuilds are going just fine. When
> they finish however, /proc/mdstat includes the new disk, but also
> declares it invalid. The system continues running in degraded mode.
>
> When I run this from the root console, I get some messages from the
> raid subsystem, including full debugging output. I have not yet
> figured out how to capture this output in order to include in this
> message, but I did write down a part of one attempt (this was by hand,
> so there may be small inconsistancies):
>
> RAID5 conf printout
> --- rd:3 wd:2 fd:1
> disk 0, s:0, o:1, n:0 rd:0 us:1 dev:ide/host0/bus0/target1/lun0/part3
> disk 1, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00]
> disk 2, s:0, o:1, n:2 rd:2 us:1 dev:ide/host2/bus1/target0/lun0/part3
> md: bug in file raid5.c, line 1901
>
> Here is some output from my system. If any more information would be
> useful, or anyone thinks I should try something else, please let me
> know. I would like to get out of my currently degraded state!
>
>
----------------------------------------------------------------------------
----
>
> --
> Michael Welsh Duggan
> (md5i@cs.cmu.edu)
>
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Have you partitioned the new disk before you rebuild?
Donghui
----- Original Message -----
From: "Michael Welsh Duggan" <md5i@cs.cmu.edu>
To: <linux-raid@vger.kernel.org>
Sent: Monday, September 01, 2003 8:04 PM
Subject: RAID reconstruction problems
> I currently have two small Software RAIDs, a RAID 1 for my root
> partition, and a RAID 5 for my usr partition. One of the disks in the
> arrays died, and I threw in a new disk in with the intention of
> rebuilding the arrays.
>
> The rebuilds failed, but in an extremely strange fashion. Monitoring
> /proc/mdstat, it seems that the rebuilds are going just fine. When
> they finish however, /proc/mdstat includes the new disk, but also
> declares it invalid. The system continues running in degraded mode.
>
> When I run this from the root console, I get some messages from the
> raid subsystem, including full debugging output. I have not yet
> figured out how to capture this output in order to include in this
> message, but I did write down a part of one attempt (this was by hand,
> so there may be small inconsistancies):
>
> RAID5 conf printout
> --- rd:3 wd:2 fd:1
> disk 0, s:0, o:1, n:0 rd:0 us:1 dev:ide/host0/bus0/target1/lun0/part3
> disk 1, s:0, o:0, n:0 rd:0 us:0 dev:[dev 00:00]
> disk 2, s:0, o:1, n:2 rd:2 us:1 dev:ide/host2/bus1/target0/lun0/part3
> md: bug in file raid5.c, line 1901
>
> Here is some output from my system. If any more information would be
> useful, or anyone thinks I should try something else, please let me
> know. I would like to get out of my currently degraded state!
>
>
----------------------------------------------------------------------------
----
>
> --
> Michael Welsh Duggan
> (md5i@cs.cmu.edu)
>
next prev parent reply other threads:[~2003-09-02 18:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-02 3:04 RAID reconstruction problems Michael Welsh Duggan
2003-09-02 16:04 ` Bernd Schubert
2003-09-02 18:29 ` Donghui Wen [this message]
2003-09-03 1:51 ` Michael Welsh Duggan
2003-09-04 17:07 ` Bernd Schubert
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