[Gluster-users] GlusterFS procedures in case of failures?

[Joel Young]

It would be helpful if there was a guide for these types of things.
There is lots of information on setup but little on day to day
maintenance.

For example, what do I do if:
1.  A node in the cluster must be rebooted and I am running
    a. distributed
    b. distributed / replicated
2.  What do I do if all the nodes need to be rebooted? Should I repeat
step 1 in serial for all the missing nodes?

For a distributed filesystem, it would be really nice if any
operations on files on a missing node would block until the node
re-appeared.  Then I could reboot a node and just slow my clients
down.

Thanks,

Joel



On Wed, Aug 21, 2013 at 8:04 AM, Daniel Ferreira Jorge
<daniel.jorge at sticorp.com.br> wrote:
> Hi, I'm deploying a Gluster Cluster, composed of 2 server nodes, 4 bricks
> (for now), with a replica 2 distributed setup. So, server1 is identical to
> server2, brick1 on server1 replicates brick1 on server2, and brick2 on
> server1 replicates brick2 on server2. Everything is working perfectly.
>
> My main concern is never losing any data and I need to know what to do in
> case of:
>
> 1. A whole server crashes.
> 2. One brick in a server crashes.
>
> In case of 1 happening, lets say that server2 crashes, I should be able to
> get a 3rd server, put 2 empty bricks there and have it replicating server1.
> What is the command I should do to get this working?
>
> In case of 2 happening, lets say that brick1 on server2 crashes, I should be
> able to simply add another brick on server2. What is the command I should do
> to get this working?
>
> Thank you very much for any answers.
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