update ceph brings errors

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Hi all!
     I update my ceph verson form 0.56.3 to 0.62!  I install call dev pockage! and sucess build 0.62!
but  when I used 0.62 init-ceph !  all osd can not restart!

    it return   fail /use/local/bin/ceph-osd -i 0 --pid -file /var/run/osd.0.pid -c /tmp/fetched.ceph.conf.12035

  and when I run that common
   ** ERROR : unable to open OSD superblock on /data/osd.0:(2) No such file or directory

  but when I use the init-ceph, which verson is 0.56.3, It is ok to start all osds!
   but  the ceph -s
   Health HEALTH_WARN mds cluster is degeaded; mds 1 is loggy
    ....
   mdsmap e188: 1/1/1 up (0=1=up:replay(laggy or crashed))

    what is more!  I cant mount ceph !

  &n bsp;        #mount -t ceph 192.168.22.22:6789:/ /mnt/test
          mount:192.168.22.22:/: cant read superblock

    so     , what are the diferent in init-ceph between the verson 0.62 and verson 0.56.3.
 
     and how to slove my polblem!

     think you !

    peng










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