[Gluster-users] expanding volumes produce weird results
graeme at graeme.org
Mon Jan 31 19:03:30 UTC 2011
> On Wed, 2010-11-03 at 13:05 -0500, Craig Carl wrote:
> >/ Samuele -
> />/ You don't need to create a client vol file with 3.1. Please delete
> />/ it from the clients and follow these instructions to mount -
> />/ http://www.gluster.com/community/documentation/index.php/Gluster_3.1:_Manually_Mounting_Volumes
> but this then lead to a question: how can i provide to a client a pool
> of server to use for ha without relying to hearbeat/rhcs or other
> cluster suite ? i assumed - correct me if i'm wrong - that by using the
> vol file client would be able to go to the next server if one was down .
> many thanks
I've come across this same issue (I was using vol files thinking they
would tell the client how to mount without relying on one hostname).
For example, I have a test distributed-replicated cluster of 10 servers
and 2 client set up. If I have the client set up to "mount -t glusterfs
server1:/volume /mnt/volume" and I take down server1, everything still
works. But if I try and mount server1 again (with the above command) on
another client it will complete the mount command but then just sit
there and hang the machine if you try and do df or cd into /mnt/volume.
Basically I want to have a reliable way of mounting from clients just in
case a machine tries to mount a Gluster volume when one of the servers
in the cluster is down.
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