[Gluster-users] Gluster text file configuration information?

Mohit Anchlia mohitanchlia at gmail.com
Mon May 9 16:18:12 UTC 2011

I haven't used Puppet but you should also be able to write your own
small script awk/sed or some shell commands to format that is required
by Puppet.

On Mon, May 9, 2011 at 1:03 AM, Horacio Sanson <hsanson at gmail.com> wrote:
> On Mon, May 9, 2011 at 9:59 AM, Anand Babu Periasamy <ab at gluster.com> wrote:
>> On Mon, May 9, 2011 at 5:37 AM, Horacio Sanson <hsanson at gmail.com> wrote:
>>> Where can I find documentation about manual configuration of Gluster
>>> peers/volumes? All documentation seems to be about the gluster CLI. I
>>> would prefer manual configuration to facilitate automation via scripts
>>> (e.g. Puppet/Chef).
>>> I also read in this list that it is possible to configure Raid10 via
>>> text files...  I would also like to experiment with this setup. Any
>>> related documents on how to do this would be appreciated.
>>> regards
>>> Horacio
>> Hi Horacio,
>> CLI also coordinates with elastic volume manager. You will lose the ability
>> to perform online volume management operations. Another main reason for
>> abstraction is to avoid untested combinations. It is possible to use the
>> auto-generated volume spec files (from /etc/gluster dir) and start
>> glusterfsd manually. My strong recommendation is to integrate pupper/chef
>> with Gluster CLI. Integration with CLI takes fewer lines of code than manual
>> vol spec approach. What trouble did you run in to?  I think it makes sense
>> for us to document Gluster / Puppet integration and provide examples.
> One of the problems I have with gluster/puppet integration is the
> output format of gluster commands is not parse friendly. In puppet I
> need to add onlyif and unless options so the gluster commands don't
> get executed every time. In the case of trusted pools the peer command
> I can easily check if a peer belongs to a pool:
>   gluster peer status | grep -q -s    # Returns 0 if the
> peer exists or 1 if not
> but is more complicated to check if a particular peer is connected,
> disconnected, rejected or whatever status since this value is in a
> separate line. If the IP address and status were in a single line all
> would be very easy.
>> RAID10 like is simply distributed volume with replica count = 2.
>> --
>> Anand Babu Periasamy
>> Blog [http://www.unlocksmith.org]
>> Imagination is more important than knowledge --Albert Einstein
> regards,
> Horacio
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