Re: Ceph extension - how to equilibrate ?

"pascal.pucci@xxxxxxxxxxxxxxx" <pascal.pucci@xxxxxxxxxxxxxxx> · Wed, 19 Apr 2017 15:08:14 +0200



    [...]
      
      
      I hope those aren't SMR disks... make sure
        they're not or it will be very slow, to the point where osds
          will time out and die.

      
    Hopefully : DELL 8TB 7.2K RPM NLSAS 12Gbps 512e
      3.5in Hot-plug Hard Drive, sync

      :)

      This is not for performance, just for cold data.
    

      ceph osd crush move osd.X host=nodeY

        
        If your journals aren't being moved too, then flush the journals
        after the osds are stopped:

        
        sync

        ceph-osd --id $n --setuser ceph --setgroup ceph --flush-journal

        
        (if that crashes, start the osd, then stop again, and retry)

        
        and before starting them, make new journals.

        
        ceph-osd --id $n --setuser ceph --setgroup ceph --mkjournal

    
    Perfect ! There was a way. thanks 

    
    Regards,

    
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