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From: Guido Winkelmann <guido-ceph@thisisnotatest.de>
To: Josh Durgin <josh.durgin@inktank.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: Random data corruption in VM, possibly caused by rbd
Date: Fri, 08 Jun 2012 15:08:19 +0200	[thread overview]
Message-ID: <3953360.A6afv81RG7@pc10> (raw)
In-Reply-To: <6535521.l6e0muMKBm@pc10>

Am Freitag, 8. Juni 2012, 14:55:44 schrieb Guido Winkelmann:
> I did not change anything else in the setup. In particular, the OSDs still
> use btrfs. One of the OSD has been restarted, though. I will run another
> test with a VM without rbd caching, to make sure it wasn't by random chance
> restarting that one osd that made the real difference.

Did that now, the problem is still reproducable:

Start a VM normally -> Lots and lots of data corruption (and it seems to be 
getting worse...)
Start a VM with rbd caching -> No data corruption

	Guido

  reply	other threads:[~2012-06-08 13:08 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-07 18:04 Random data corruption in VM, possibly caused by rbd Guido Winkelmann
2012-06-07 18:18 ` Stefan Priebe
2012-06-07 18:37   ` Guido Winkelmann
2012-06-07 19:54     ` Andrey Korolyov
2012-06-07 21:03       ` Guido Winkelmann
2012-06-07 21:53     ` Marcus Sorensen
2012-06-07 22:12       ` Guido Winkelmann
2012-06-07 18:40 ` Oliver Francke
2012-06-07 19:48 ` Josh Durgin
2012-06-07 21:36   ` Guido Winkelmann
2012-06-07 22:13     ` Tommi Virtanen
2012-06-08 12:55   ` Guido Winkelmann
2012-06-08 13:08     ` Guido Winkelmann [this message]
2012-06-08 13:36     ` Oliver Francke
2012-06-08 13:55       ` Sage Weil
2012-06-08 14:50         ` Josh Durgin
2012-06-08 15:39           ` Oliver Francke
2012-06-08 17:15           ` Guido Winkelmann
2012-06-10  3:04             ` Sage Weil
2012-06-10  3:07               ` Sage Weil
2012-06-11 14:15               ` Guido Winkelmann
2012-06-11 15:50         ` Guido Winkelmann
2012-06-11 16:30           ` Sage Weil
2012-06-11 17:07             ` Guido Winkelmann
2012-06-11 17:12               ` Sage Weil
2012-06-11 17:29               ` Josh Durgin
2012-06-12 12:31             ` Guido Winkelmann
2012-06-15 12:14               ` Stefan Majer
2012-06-15 15:38                 ` Josh Durgin
2012-06-15 18:50                   ` Josh Durgin

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