Re: Renaming Peers

Michael Watters <wattersm@xxxxxxxxxx> · Fri, 6 Jan 2017 10:25:16 -0500



    Thanks.  Luckily this system isn't in production yet so it
      shouldn't be a big deal to take gluster offline for a bit.

    
    On 01/06/2017 12:28 AM, Atin Mukherjee
      wrote:

    
          On Fri, Jan 6, 2017 at 4:14 AM,
            Michael Watters <wattersm@xxxxxxxxxx>
            wrote:

            I've set
              up a small gluster cluster running three nodes and I would
              like

              to rename one of the hosts.  What is the proper procedure
              for changing

              the host name on a node?  Do I simply stop the gluster
              service, detach

              the peer and then run sed on the files under
              /var/lib/gluster to use the

              new name?  Any other locations that I should be aware of?

            
            You need not to detach the peer. Here are the steps
              you'd need to follow:

              
            1. Stop glusterd process on N1, N2, N3.

            
            2. If you are trying to change the hostname of N1, then
              in N2 & N3 you'd need to replace the occurrences of
              old hostname  with new hostname in all the files located
              at /var/lib/glusterd

            
            3. Restart GlusterD on all the nodes and check the peer
              status.

              
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          -- 

          
                ~ Atin (atinm)

                
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