The patch is already in the firefly maintenance branch: https://github.com/ceph/ceph/commits/firefly https://github.com/ceph/ceph/commit/548be0b2aea18ed3196ef8f0ab5f58a66e3a9af4 but I'm not sure when the 0.80.7 release will be published. http://ceph.com/releases/v0-80-6-firefly-released/ was only a few days ago. On 09/10/2014 20:11, Stephen Jahl wrote: > Thanks Loic, > > In my case, I actually only have three replicas for my pools -- with this rule, I'm trying to ensure that at OSDs in at least two racks are selected. Since the replica size is only 3, I think I'm still affected by the bug (unless of course I set my replica size to 4). > > Is there a better way I can express what I want in the crush rule, preferably in a way not hit by that bug ;) ? Is there an ETA on when that bugfix might land in firefly? > > Best, > -Steve > > On Thu, Oct 9, 2014 at 1:59 PM, Loic Dachary <loic@xxxxxxxxxxx <mailto:loic@xxxxxxxxxxx>> wrote: > > Hi Stephen, > > It looks like you're hitting http://tracker.ceph.com/issues/9492 which has been fixed but is not yet available in firefly. The simplest workaround is to min_size 4 in this case. > > Cheers > > On 09/10/2014 19:31, Stephen Jahl wrote:> Hi All, > > > > I'm trying to add a crush rule to my map, which looks like this: > > > > rule rack_ruleset { > > ruleset 1 > > type replicated > > min_size 1 > > max_size 10 > > step take default > > step choose firstn 2 type rack > > step chooseleaf firstn 2 type host > > step emit > > } > > > > I'm not configuring any pools to use the ruleset at this time. When I recompile the map, and test the rule with crushtool --test, everything seems fine, and I'm not noticing anything out of the ordinary. > > > > But, when I try to inject the compiled crush map back into the cluster like this: > > > > ceph osd setcrushmap -i /path/to/compiled-crush-map > > > > The monitor process appears to stop, and I see a monitor election happening. Things hang until I ^C the setcrushmap command, and I need to restart the monitor processes to make things happy again (and the crush map never ends up getting updated). > > > > In the monitor logs, I see several segfaults that look like this: http://pastebin.com/K1XqPpbF > > > > I'm running ceph 0.80.5-1trusty on Ubuntu 14.04 with kernel 3.13.0-35-generic. > > > > Anyone have any ideas as to what is happening? > > > > -Steve > > > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > -- > Loïc Dachary, Artisan Logiciel Libre > > -- Loïc Dachary, Artisan Logiciel Libre
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