On Wed, 13 Jul 2011 09:19:40 -0700, Tommi Virtanen wrote:
On Wed, Jul 13, 2011 at 03:15, Meng Zhao wrote:
active+clean; 349 MB data, 1394 MB used, 408 MB / 2046 MB avail;
49/224
degraded (21.875%)
=>for some reason osd2 failed during object replication
If you lose osds while in degraded mode
On Wed, Jul 13, 2011 at 03:15, Meng Zhao wrote:
> active+clean; 349 MB data, 1394 MB used, 408 MB / 2046 MB avail; 49/224
> degraded (21.875%)
> =>for some reason osd2 failed during object replication
If you lose osds while in degraded mode, you very much can lose
objects permanently. Degraded me
The test setting is like this:
I build a ceph3.0 system with 3mon, 3mds, 3osd on 3 machines.
Then I copied some file around. on a ceph client and wait until ceph -w
shows regular healthy states.
Now I turn one machine off.
Here are the logs for this situation of unfound object:please look for
On Tue, 12 Jul 2011, Meng Zhao wrote:
> Thanks Tommi. I rebuilt the ceph cluster a few times just to reproduce the
> situation. The result seems mixed, more likely btrfs failed (after power
> reset). But it does happen anyway.
>
> The big question is: However rare, unfound object situation makes
Thanks Tommi. I rebuilt the ceph cluster a few times just to reproduce
the situation. The result seems mixed, more likely btrfs failed (after
power reset). But it does happen anyway.
The big question is: However rare, unfound object situation makes the
*entire* ceph file system not mountable,
[It seems I dropped the Cc: to ceph-devel, added it back.. Please
reply to this message instead, and sorry about that. I'm starting to
dislike Google Apps for mailing list traffic :( ]
On Fri, Jul 8, 2011 at 10:07, Tommi Virtanen
wrote:
> On Fri, Jul 8, 2011 at 01:23, Meng Zhao wrote:
>> I was t
Hi,
I was trying to replace a disk for an osd by following instruction at:
http://ceph.newdream.net/wiki/Replacing_a_failed_disk/OSD
Now, ceph -w getting
2011-07-08 15:52:39.702881pg v1602: 602 pgs: 49 active+degraded,
553 active+clean+degraded; 349 MB data, 333 MB used, 566 MB / 1023 MB
