Ceph

10/21/2015

08:44 PM rbd Bug #13559: FAILED assert(m_ictx->owner_lock.is_locked())

Mihai, I've downloaded the required ceph packages, libraries, dependencies from ceph repo and installed it manually. ... Andrei Mikhailovsky

03:30 PM rbd Bug #13559: FAILED assert(m_ictx->owner_lock.is_locked())

Tried downgrading ceph on host servers to version 0.94.3 as per jdillaman's suggestion on #ceph and the problem is go... Andrei Mikhailovsky

01:15 PM rbd Bug #13559 (Resolved): FAILED assert(m_ictx->owner_lock.is_locked())

After upgrading from 0.94.1 to 0.94.4 I am having issues starting _SOME_ virtual guests with KVM. The following error... Andrei Mikhailovsky

11/30/2014

01:35 PM Linux kernel client Bug #10208: libceph: intermittent hangs under memory pressure

The kern.log attached, with the data got shortly after running the following command:
time dd if=/dev/zero of=4G00... Andrei Mikhailovsky

09/16/2014

02:49 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

Ilya,
I was wondering if you've managed to verify my findings? Has anyone experienced similar behaviour as I am?
... Andrei Mikhailovsky

09/14/2014

01:22 PM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

Done more testing. The hang tasks happen regardless of the block size (tried 4K, 1M ,4M). Without rbd cache enabled t... Andrei Mikhailovsky

11:24 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

Okay, just tried with block size 4M and after about 20 dd runs I got a hang task.
Also, I've noticed that the spee... Andrei Mikhailovsky

11:06 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

Ilya,
Not sure as I've not left it to run for a long time. There was no progress for about 30 minutes, so I've reb... Andrei Mikhailovsky

09:04 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

Ilya,
I've tried the kernel that was patched, but I am still experiencing hang tasks. Although less often than bef... Andrei Mikhailovsky

08/27/2014

06:46 AM Ceph Feature #9251 (Duplicate): check consistency of rbd export and import function

It would be very helpful to have a function that checks the consistency of rbd export / import and likewise export-di... Andrei Mikhailovsky