From: Fyodor Ustinov <ufm@ufm.su>
To: Gregory Farnum <gregory.farnum@dreamhost.com>
Cc: ceph-devel@vger.kernel.org, samuel.just@dreamhost.com
Subject: Re: inconsistent chunk
Date: Mon, 20 Jun 2011 20:19:40 +0300 [thread overview]
Message-ID: <4DFF812C.70900@ufm.su> (raw)
In-Reply-To: <7CF4E65F-BFA1-429D-BE72-CE86ED79992F@dreamhost.com>
On 06/20/2011 08:16 PM, Gregory Farnum wrote:
>>> 4. Can I recover the data without backup?
>>> Possibly. If the inconsistency is just that one of the OSDs is storing the object and another OSD says the object shouldn't exist, that can be recovered from by working out which one is correct.
>>>
>>> Have you manually adjusted the contents of any OSDs? Can you think of anything you've done that might have triggered this?
>> I step by step down osd servers until only one remains (hmm, it is not clear how this is consistent with "pg_size 2"). After one day I step by step up osd servers.
> Well if you've got enough space and step down slowly enough all the data will simply exist on the one up OSD in a degraded form. :)
>
> Is it still marked as inconsistent? If that's really all you did it shouldn't be, but maybe restarting the cluster would let it fix itself. :/
> -Greg
Yes, I restarted osd server with inconsistent pg and cluster now in
consistent state.
WBR,
Fyodor.
prev parent reply other threads:[~2011-06-20 17:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-17 5:20 inconsistent chunk Fyodor Ustinov
2011-06-17 16:27 ` Gregory Farnum
2011-06-18 15:27 ` Fyodor Ustinov
2011-06-20 17:16 ` Gregory Farnum
2011-06-20 17:19 ` Fyodor Ustinov [this message]
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