Hi Guido,
I am running ceph version 0.39-37-g54758ab
(commit:54758abccf429122c1bc3bce6d01bc33f1cfe238) on my cluster and I do
not see this problem. Do you use the qemu rbd block driver or the kernel
mount?
How did you install ceph, via the packages?
-martin
Am 15.12.2011 16:45, schrieb Guido Winkelmann:
Am Donnerstag, 15. Dezember 2011, 17:32:25 schrieben Sie:
On 12/15/2011 05:07 PM, Guido Winkelmann wrote:
Hi,
I've got a small ceph cluster with one mon, one mds and two osds (all on
the same machine, for now), that I want to use as a block- and file
storage backend for qemu machine virtualisation.
I found that read access to some of the rbd images, or parts of some of
them sometimes blocks indefinitely, usually after the image has been
sitting around untouched for a while, for example over night. This has
the effect that virtual machines that try to access their disks as well
as rbd commands like "rbd cp" will just hang indefinitely.
I found that these blocks can usually be "fixed" by restarting one of
the>
osds.
The last time this happened, ceph -s reported one of the osds to be in
state "active+clean+scrubbing". (I'm afraid I don't have the complete
output from ceph -s anymore.)
Does anybody have any idea what could be going wrong here?
I think it's fixed in v0.39
I'm already using 0.39, so, no. (Should have mentioned that to start with...)
Guido
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