[Gluster-users] Peers not connecting after changing IP address

[Nico Schottelius]

Alex,

have you checked the firewall settings? Seeing your description reminds
me of a problem in which connections were only possible in one
direction.

Cheers,

Nico

Alex Crow [Tue, Mar 10, 2015 at 03:47:26PM +0000]:
> Hi JF,
> 
> They are all hostnames, no IPs anywhere. The odd thing is that now, the
> remote site says everything is up, whereas the local servers only show each
> other as connected. It's a bit odd.
> 
> Cheers
> 
> Alex
> 
> On 10/03/15 15:40, JF Le Fillâtre wrote:
> >On my setup: on the host from which I peer probed, it's all hostnames.
> >On the other hosts, it's all IPs.
> >
> >Can you check if it's the case on your setup too?
> >
> >Thanks,
> >JF
> >
> >
> >On 10/03/15 16:29, Alex Crow wrote:
> >>Hi,
> >>
> >>They only have the hostname:
> >>
> >>uuid=22b88f85-0554-419f-a279-980fceaeaf49
> >>state=3
> >>hostname1=zalma
> >>
> >>And pinging these hostnames give the correct IP. Still no connection
> >>though.
> >>
> >>Thanks,
> >>
> >>Alex
> >>
> >>On 10/03/15 15:04, JF Le Fillâtre wrote:
> >>>Hello,
> >>>
> >>>Check the files in the peer directory:
> >>>
> >>>/var/lib/glusterd/peers
> >>>
> >>>They contain the IP addresses of the peers.
> >>>
> >>>I haven't done it but I assume that if you update those files on all
> >>>servers you should be back online.
> >>>
> >>>Thanks,
> >>>JF
> >>>
> >>>
> >>>On 10/03/15 16:00, Alex Crow wrote:
> >>>>Hi,
> >>>>
> >>>>I've had a 4 node Dis/Rep cluster up and running for a while, but
> >>>>recently moved two of the nodes (the replicas of the other 2) to a
> >>>>nearby datacentre. The IP addresses of the moved two therefore changed,
> >>>>but I updated the /etc/hosts file on all four hosts to reflect the
> >>>>change (and the peers were all probed by name, not IP).
> >>>>
> >>>>However at each site the other two peers show as disconnected, even
> >>>>though the servers can all successfully talk to each other. Is there
> >>>>some way I can kick this back into life?
> >>>>
> >>>>Regards,
> >>>>
> >>>>Alex
> >>>>
> 
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