[Gluster-users] ec2 elastic IPs

Jeff White jaw171 at pitt.edu
Wed Mar 21 19:33:45 UTC 2012

What if you did the 'peer probe' by name but each node's local name 
resolves to via /etc/hosts?

Jeff White - Linux/Unix Systems Engineer
University of Pittsburgh - CSSD

On 03/21/2012 02:13 PM, Brian Cipriano wrote:
> Hey all -
> Anyone running Gluster on AWS EC2 instances out there?
> I'm having some issues using Gluster on EC2 instances. I saw an old
> thread titled "ec2 peers" but didn't see a solution posted as part of
> that thread.
> Here's my problem -
> If I stop/start a single EC2 instance, usually its internal DNS name and
> IP address change. This is a problem for my Gluster volume, which is
> using the instances' internal DNS names - all of a sudden a bunch of
> bricks in the volume aren't there - though they do still exist, they're
> EBS volumes and they're attached to the same instance. It's just that
> the instance has a different DNS name/ IP.
> Any EC2+Gluster users out there who have found a solution to this? What
> do you do when the hostname of one of your servers changes?
> I can't use replace-brick because the old instance isn't available at
> its old hostname.
> I've tried assigning an Elastic IP and using that instead of internal
> DNS, but my first server is unable to see itself as a peer when
> identified by IP. I think Elastic IP is only accessible from outside the
> AWS networks.
> I would really appreciate any thoughts on this. Thanks!
> - brian
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