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Chris Dunlop

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05/08/2018

11:09 PM RADOS Support #22531: OSD flapping under repair/scrub after recieve inconsistent PG LFNIndex.cc: 439: F...
For the record...
I was also suffering this problem on a pg repair. That was because I was following the procedure...

03/19/2014

03:37 PM rbd Bug #7790 (Resolved): Kernel panic when creating ZFS pools on CEPH RBD devices
Creating a ZFS pool on top of krbd causes a kernel panic.
From the ZFSonLinux bug tracker (https://github.com/zfso...

09/05/2013

10:42 PM Ceph Bug #6233: OSD crash during repair
Was missing xattrs:
2013-09-06 09:30:19.813811 7f0ae8cbc700 0 log [INF] : applying configuration change: internal...
07:46 PM Ceph Bug #6233: OSD crash during repair
The pg being repaired at the time is 2.12, which 'ceph pg dump' tells me lives on [6,7]. Attached log is the output a...

09/04/2013

05:11 PM Ceph Bug #6233 (Closed): OSD crash during repair
On 0.56.7-1~bpo70+1, whilst trying to repair an OSD:
2013-09-05 09:19:33.020619 7f540a12d700 0 log [ERR] : 2.12 r...

02/20/2013

11:20 PM rbd Bug #3737: Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Sigh. The attachment might help...
11:18 PM rbd Bug #3737: Higher ping-latency observed in qemu with rbd_cache=true during disk-write
Confirmed here, with ceph-0.56.3 and qemu-1.3.1.
See attached test output.
A summary is, the average ping time,...

11/25/2012

10:27 PM Ceph Bug #3286: librbd, kvm, async io hang
OK, with ceph next @ bc32fc42 (and rbd_cache_size=33554433) it completed the full fio test several times, in contrast...

10/29/2012

03:27 PM Ceph Bug #3286: librbd, kvm, async io hang
Josh Durgin wrote:
> Unfortunately I haven't been able to reproduce this myself or track down the cause yet. Would i...

10/21/2012

07:05 PM Ceph Bug #3379 (Won't Fix): rbd map + rbd mv: couldn't remove old source object
ceph @7477a081, linux-3.4.12
Using 'rbd mv' on a mapped object creates a "ghost" object that prevents
further use...

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