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 > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Loïc Dachary, Artisan Logiciel Libre
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