Re: Physical maintainance

Kees Meijs <kees@xxxxxxxx> · Wed, 13 Jul 2016 14:47:07 +0200



    Thanks!

    
    So to sum up, I'd best:

    
      set the noout flag
      stop the OSDs one by one
      shut down the physical node
      jank the OSD drives to prevent ceph-disk(8) from automaticly
        activating at boot time

      
      do my maintainance

      
      start the physical node
      reseat and activate the OSD drives one by one
      unset the noout flag

      
    On 13-07-16 14:39, Jan Schermer wrote:

    
      If you stop the OSDs cleanly then that should cause no disruption to clients.
Starting the OSD back up is another story, expect slow request for a while there and unless you have lots of very fast CPUs on the OSD node, start them one-by-one and not all at once.

    
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