Re: Graceful gluster server retire/poweroff

Ravishankar N <ranaraya@xxxxxxxxxx> · Thu, 18 Jul 2019 06:00:45 +0530



    On 17/07/19 8:50 PM, Strahil Nikolov
      wrote:

    
        Hi Ravi,
        

        Can you clarify which script
          do you use ?
        Usually I rely on oVirt to
          shutdown the system properly , but sometimes I have used '/usr/share/glusterfs/scripts/stop-all-gluster-processes.sh'
            which kills everything (including fuse mounts).
      
    
    This is the same script I referred to in my reply
(https://github.com/gluster/glusterfs/blob/master/extras/stop-all-gluster-processes.sh)
    . Not sure why the email is not delivered to the mailing list.

    Regards,

    Ravi

    
        Best Regards,
        Strahil Nikolov 
        

           В вторник, 16 юли 2019 г., 17:32:44 ч. Гринуич+3,
            Gionatan Danti <g.danti@xxxxxxxxxx> написа: 
          

            On 16/07/2019 15:27, Ravishankar N wrote:

            
            > Yes, if you simply pkill the gluster
              brick processes of the node before 

            
            > switching it off, you won't observe the
              hang on the clients because they 

            
            > will receive the disconnect notification
              immediately. But before that, 

            
            > you would need to check if there are no
              pending heals etc. You can use 

            
            > the script [1] which does all these
              checks in the graceful mode.

            
            Hi Ravi,

            
            thanks for your reply. I tried killing the
              glusterfsd process and I 

            
            confirm that the client does not see any
              pause, indeed.

            
            I was thinking that during the shutdown
              procedure systemd would kill the 

            
            processes by itself; which it *does*, but
              only if the glusterfsd.service 

            
            is enabled/started.

            
            By default, the systemd service installed on
              CentOS 7 + Gluster 6.0 SIG 

            
            does not start glusterfsd.service and so, in
              the shutdown phase, it does 

            
            not stop it.

            
            Thanks very much for your information.

            
            -- 

            
            Danti Gionatan

            
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