From: Martin Mailand <martin@tuxadero.com>
To: ceph-devel@vger.kernel.org
Subject: Re: rbd snap
Date: Fri, 23 Sep 2011 20:08:59 +0200 [thread overview]
Message-ID: <4E7CCB3B.7080606@tuxadero.com> (raw)
In-Reply-To: <4E74C653.6080404@tuxadero.com>
Hi,
is it possible to access snapshots without to rollback the head of the
rbd volumen?
Because I want to do a snapshot of a vm running via librbd and qemu, and
use the snapshot to make a offsite backup of the vm.
Best Regards,
Martin
Martin Mailand schrieb:
> Okay, with the btrfs patch and the right commandline snapshotting works
> like a charm.
>
> best regards,
> martin
>
> Josh Durgin schrieb:
>> On 09/16/2011 02:32 PM, Martin Mailand wrote:
>>> root@c-brick-001:~# rbd rm --snap=2011091601 test
>>> *** Caught signal (Segmentation fault) **
>>> in thread 0x7f203d749740
>>> ceph version 0.34 (commit:2f039eeeb745622b866d80feda7afa055e15f6d6)
>>> 1: rbd() [0x457062]
>>> 2: (()+0xfc60) [0x7f203ccf6c60]
>>> 3: (librbd::snap_set(librbd::ImageCtx*, char const*)+0x10)
>>> [0x7f203d32ecd0]
>>> 4: (main()+0x59f) [0x4518ff]
>>> 5: (__libc_start_main()+0xff) [0x7f203b6cdeff]
>>> 6: rbd() [0x44d569]
>>> Segmentation fault
>>
>> I added a bug to the tracker for this
>> (http://tracker.newdream.net/issues/1545). It shouldn't crash the way
>> you ran it, but if you're trying to remove a snapshot you need to use
>> the 'snap rm' command, i.e.:
>> $ rbd snap rm --snap=2011091601 test
>> --
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next prev parent reply other threads:[~2011-09-23 18:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-16 14:45 rbd snap Martin Mailand
2011-09-16 16:30 ` Sage Weil
2011-09-16 21:32 ` Martin Mailand
2011-09-16 22:23 ` Josh Durgin
2011-09-16 22:36 ` Martin Mailand
2011-09-17 16:09 ` Martin Mailand
2011-09-23 18:08 ` Martin Mailand [this message]
2011-09-23 18:21 ` Sage Weil
2011-09-23 18:48 ` Martin Mailand
2011-09-23 18:52 ` Sage Weil
2011-09-23 18:25 ` Josh Durgin
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