[Gluster-users] Renaming Peers

Atin Mukherjee amukherj at redhat.com
Fri Jan 6 05:28:01 UTC 2017

On Fri, Jan 6, 2017 at 4:14 AM, Michael Watters <wattersm at watters.ws> 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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