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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