Hi *,
with reference to the below mentioned
"objecter: misc fixes for op reordering"
I assumed it could have something to do with slow requests not being
solved for too long. I just not saw it anymore in 0.51 in our
testing-evironment.
But today we took one of our nodes into maintenance, and I see many of:
--- 8-<---
2012-10-01 11:58:46.766999 osd.10 [WRN] 38 slow requests, 1 included
below; oldest blocked for > 1189.312605 secs
2012-10-01 11:58:46.767013 osd.10 [WRN] slow request 240.183032 seconds
old, received at 2012-10-01 11:54:46.583860:
osd_op(client.110046.0:2143984 rb.0.1adf5.6733efe2.00000000061a [write
208384~4096] 6.f511e801) v4 currently delayed
2
--- 8-< ---
which is bad, as I assume, that some of the VM's are now stalled.
Anybody else experienced such things?
Thnx n regards,
Oliver.
On 09/20/2012 06:52 PM, Sage Weil wrote:
Hi everyone,
Another update to the stable "argonaut" series has been released. This
fixes a few important bugs in rbd and radosgw and includes a series of
changes to upstart and deployment related scripts that will allow the
upcoming 'ceph-deploy' tool to work with the argonaut release.
Upgrading:
* The default search path for keyring files now includes
/etc/ceph/ceph.$name.keyring. If such files are present on your
cluster, be aware that by default they may now be used.
* There are several changes to the upstart init files. These have not
been previously documented or recommended. Any existing users should
review the changes before upgrading.
* The ceph-disk-prepare and ceph-disk-active scripts have been updated
significantly. These have not been previously documented or
recommended. Any existing users should review the changes before upgrading.
Notable changes include:
* mkcephfs: fix keyring generation for mds, osd when default paths are
used
* radosgw: fix bug causing occasional corruption of per-bucket stats
* radosgw: workaround to avoid previously corrupted stats from going
negative
* radosgw: fix bug in usage stats reporting on busy buckets
* radosgw: fix Content-Range: header for objects bigger than 2 GB.
* rbd: avoid leaving watch acting when command line tool errors out
(avoids 30s delay on subsequent operations)
* rbd: friendlier use of pool/image options for import (old calling
convention still works)
* librbd: fix rare snapshot creation race (could lose a snap when
creation is concurrent)
* librbd: fix discard handling when spanning holes
* librbd: fix memory leak on discard when caching is enabled
* objecter: misc fixes for op reordering
* objecter: fix for rare startup-time deadlock waiting for osdmap
* ceph: fix usage
* mon: reduce log noise about check_sub
* ceph-disk-activate: misc fixes, improvements
* ceph-disk-prepare: partition and format osd disks automatically
* upstart: start everyone on a reboot
* upstart: always update the osd crush location on start if specified in
the config
* config: add /etc/ceph/ceph.$name.keyring to default keyring search path
* ceph.spec: don't package crush headers
You can get this release from the usual locations:
* Git at git://github.com/ceph/ceph.git
* Tarball at http://ceph.newdream.net/download/ceph-0.48.2.tar.gz
* For Debian/Ubuntu packages, see http://ceph.newdream.net/docs/master/install/debian
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