Hi, > One of my server silently shutdown last night, with no explanation > whatsoever in any logs. According to the existing logs, the shutdown We have seen similar things with our SuperMicro servers; our current best theory is that it's related to CPU power management. Disabling it in BIOS seems to have helped. Regards, Matthew -- The Wellcome Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a company registered in England with number 2742969, whose registered office is 215 Euston Road, London, NW1 2BE. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com