ocfs2 for OSDs?

also work for single node. Just wondering would OSD work on ocfs2 and what would performance characteristics be. Any thoughts/experience? BR, Ugis Racko -- To unsubscribe from this list: send the line unsubscribe ceph-devel in the body of a message to majord...@vger.kernel.org More majordomo info

poor read performance on rbd+LVM, LVM overload

e sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts nopl pni dtes64 monitor ds_cpl cid cx16 xtpr lahf_lm bogomips: 6400.15 clflush size: 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: Br, Ugis

Re: poor read performance on rbd+LVM, LVM overload

Ugis, please provide the output of: RBD_DEVICE=rbd device name pvs -o pe_start $RBD_DEVICE cat /sys/block/$RBD_DEVICE/queue/minimum_io_size cat /sys/block/$RBD_DEVICE/queue/optimal_io_size The 'pvs' command will tell you where LVM aligned the start of the data area (which follows the LVM

Re: poor read performance on rbd+LVM, LVM overload

something can be done still, or I will have to move several TB off the LVM :) Anyway, it does not feel like the problem cause is clear. May be I need to file a bug if that is relevant, but where to? Ugis 2013/10/21 Mike Snitzer snit...@redhat.com: On Mon, Oct 21 2013 at 2:06pm -0400, Christoph

Re: zombie pgs

in future if someone did the same. When you get used to reliability of multiple copy pools - it is easy to mess up with single copy pools :) Ugis 2013/3/12 Ugis ugi...@gmail.com: Hi, Last week I have unintentionally created zombie pgs - they do not exist any more, cannot detect/delete them

Re: rbd kernel module crashes with different kernels

2012/12/20 Alex Elder el...@inktank.com: On 12/19/2012 05:17 PM, Ugis wrote: Hi all, I have been struggling to map ceph rbd images for last week, but constantly get kernel crashes. What has been done: Previously we had v0.48 set up as test cluster(4 hosts, 5 osds, 3 mons, 3 mds, custom

Re: status monitoring options for ceph cluster

and sharing ceph template. In more distant future ceph could be queryable by SNMP, but first things first :) Ugis 2013/1/3 Paul Pettigrew paul.pettig...@mach.com.au: Happy new year all Over the past year, our company has written an extensive guide on how we monitor ceph using Zabbix. I

Re: rbd delete operation hangs, ops blocked

anyway. Ugis 2015-06-06 8:53 GMT+03:00 Ugis ugi...@gmail.com: Hi, I had recent problem with flapping hdd and in result I need to delete broken rbd. Problem is all operations towards this rbd stuck. I even cannot delete rbd - it sits on 6% done and I found this line in one of osds logs

rbd delete operation hangs, ops blocked

, but any way will do that eventually helps to delete that rbd. Ugis -- To unsubscribe from this list: send the line unsubscribe ceph-devel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html

ceph recovery policy

, but if other policy needed - that could be specifyable via some recovery variable, like it is now in recovery section here: http://dachary.org/loic/ceph-doc/rados/configuration/osd-config-ref/ P.S. no active client I/O currently present. Best regards, Ugis -- To unsubscribe from this list: send