Ceph » rbd

06/09/2012

08:06 PM Bug #2535: rbd: random data corruption in vm

The information that *should* let us fully diagnose:
* set
debug osd = 20
debug filestore = 20
debug ms = ... Sage Weil

08:04 PM Bug #2535 (Resolved): rbd: random data corruption in vm

From ML:... Sage Weil

06/08/2012

04:42 PM Bug #2534 (Resolved): librbd: make sure watch is established on same header version as initial re...

Right now there's a race where it doesn't. Greg Farnum

10:12 AM Feature #2531: rbd: fencing broken clients

I talked to Sam about the combination of blacklisting, bad client writes, and changing primaries that we discussed an... Greg Farnum

10:06 AM Bug #2478 (New): krbd: unmap on 3.4.0: scheduling while atomic...

Sage Weil

09:51 AM Bug #2532: rbd command allows passing in -K </path/to/secret>, but long version of (--secret) doe...

That's probably best. It is always easier though when all subcommands under the main command, rbd in this case used o... Sam Zaydel

09:00 AM Bug #2532: rbd command allows passing in -K </path/to/secret>, but long version of (--secret) doe...

Oh, i see.
I think the right fix is to make '--secret' and synonym for '--keyfile', and fix up rbd to use the conf... Sage Weil

08:20 AM Bug #2532: rbd command allows passing in -K </path/to/secret>, but long version of (--secret) doe...

When I try to use --keyfile=<file> with map, it seemingly fails, but using --secret=<file> succeeds. ... Sam Zaydel

08:13 AM Bug #2532: rbd command allows passing in -K </path/to/secret>, but long version of (--secret) doe...

This is part of the rbd cmd helper message. It seems that for the map command one uses --secret.... Sam Zaydel

07:00 AM Bug #2532: rbd command allows passing in -K </path/to/secret>, but long version of (--secret) doe...

the option is --keyfile <file>... where did you see --secret <file> documented? Sage Weil

05:49 AM Bug #2532 (Resolved): rbd command allows passing in -K </path/to/secret>, but long version of (--...

While rolling back a snapshot I succeed when I pass in `-K with location of key file, but it looks like I fail when I... Sam Zaydel

06/07/2012

09:38 PM Feature #2531 (Resolved): rbd: fencing broken clients

Sage Weil

04:25 PM Documentation #2530 (Closed): Doc: rbd manpage doesn't mention watch; usage does, and it works

Dan Mick

03:10 PM Bug #2528 (Resolved): Mounted RBD image appears to go read-only after a snapshot is created

I have been able to repeat this a number of times. Essentially, I create a small rbd device, using the map command in... Sam Zaydel

06/06/2012

01:22 PM Bug #2522: xfstest #219

ubuntu@teuthology:/a/nightly_coverage_2012-06-05-b Sage Weil

01:21 PM Bug #2522 (Closed): xfstest #219

... Sage Weil

06/05/2012

09:56 AM Feature #1480: librbd: image locking

lock(entity)
unlock(entity)
new code should lock before open, unlock on close.
the rbd map tool have 'lock lis... Sage Weil

05/30/2012

02:28 PM Bug #2488 (Can't reproduce): rbd: EIO from rbd map

... Sage Weil

08:35 AM Bug #2478: krbd: unmap on 3.4.0: scheduling while atomic...

with patch above, this trace appears after ~15 sec from unmap operation
[ 2453.203365] ------------[ cut here ]---... Andrey Korolyov

05/26/2012

01:30 PM Bug #2478 (In Progress): krbd: unmap on 3.4.0: scheduling while atomic...

commit:cd9d9f5df6098c50726200d4185e9e8da32785b3 already fixes this; we just neglected to send it upstream for 3.4. I... Sage Weil

06:05 AM Bug #2478 (Can't reproduce): krbd: unmap on 3.4.0: scheduling while atomic...

On 3.4.0 on the 'rbd unmap' call kernel rbd driver produces following trace(same for vanilla):
[ 8660.786269] BUG... Andrey Korolyov

05/23/2012

12:52 PM Feature #2468 (Resolved): librbd: provide a way for a user to flush and invalidate the cache

This could be an admin socket command. This would make live migration work with older qemu when rbd caching is enabled. Josh Durgin

12:37 PM Feature #2467 (Resolved): qemu: implement bdrv_invalidate_cache

This is used during live migration to clear librbd's cache on the destination host before starting the guest there. I... Josh Durgin

12:35 PM Feature #2466 (Resolved): librbd: add invalidate_cache function to interface

Qemu requires this to make live migration work when caching is enabled. Josh Durgin

05/21/2012

02:48 PM Bug #2457 (Resolved): libvirt: migration fails with rbd in 0.9.11 and 0.9.12

As reported on libvirt-users:
https://www.redhat.com/archives/libvirt-users/2012-May/msg00088.html
Looks like a... Josh Durgin

05/14/2012

09:34 PM Bug #2410 (Closed): hung xfstest #68

... Sage Weil

10:08 AM Bug #2400 (Resolved): xfstest: failed #84

2012-05-13T01:51:49.654 INFO:teuthology.orchestra.run.out:084 - output mismatch (see 084.out.bad)
2012-05-13T01:5... Sage Weil

03:23 AM Feature #1484: libvirt: map rbd via kernel driver

In the current design of libvirt I don't see how you could achieve this.
With my storage pool work I found out tha... Wido den Hollander