I'm having a problem with 0.87 on Ubuntu. I created a cephfs filesystem on top of a 2,2 EC pool with a cache tier and copied a bunch of data (non-critical) onto it, and now 4 of my OSDs (on 3 physical servers) are crash-looping on startup. If I stop one of the crashing OSDs, then a different OSD starts crashing.
I don't see anything useful in the OSD logs with debug osd = 20/20 and debug ms=20/20. It stops logging and exits. Here are the logs (500M before gzip): https://dl.dropboxusercontent.com/u/104949139/ceph-osd-22-v0.87-crashloop2.log.gz Rebooting the cephfs client system seems to temporarily fix the problem, but attempting to remount cephfs causes OSDs to crash again. Any suggestions on how to debug this? Scott
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