hi all! I have 12 nodes ceph clouster ( 1 mon 2mds 9osd). today my osd.0 osd.3 osd.4 are down and can not restart them! osd.0 , osd.3, osd.4 are in the same host which name is osd0! firstly, here is the osd log: #tail -f /var/log/ceph/osd.0.log ceph version 0.62(***************************) , process ceph-osd, pid 20667 **ERROR:unable to open superblock on /data/osd.0 : (2) No such file or directory secondly, /data/osd.0 is exit : #ssh osd0 ls /data osd.0 osd.3 osd.4 thirdly, I check the format of osd ! #mount ... /dev/sda3 on /data/osd.0 type btrifs(rw noatime) /dev/sdb3 on /data/osd.3 type btrifs(rw noatime) /dev/sdb3 on /data/osd.4 type btrifs(rw noatime) It seems that all work is ok! but why can not resart the osd in my cluster! Any pointers would be much appreciated! thanks! peng | ||
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