[Gluster-users] Gluster questions - glusterfs 3.7.5

[Thing]

I am in the exact same boat.  Well the front end is RHEL7.1 and the backend
Ubuntu 14.04 LTS.

What I have done however is mount using glusterfs.

No idea which is faster, currently I am testing local disk v nfs v gluster
to get a feel on the performance penalty of gluster.

NFS using UDP might well be a good idea though if in reality it is indeed
more fault tolerant?

Yes I need an operational guide as well, if nothing is about I am just
going to have to write myself one.


On 8 November 2015 at 22:41, Peter Michael Calum <pemca at tdc.dk> wrote:

> Correction : Version are glusterfs 3.7.5
>
>
>
> *Fra:* gluster-users-bounces at gluster.org [mailto:
> gluster-users-bounces at gluster.org] *På vegne af *Peter Michael Calum
> *Sendt:* 7. november 2015 14:11
> *Til:* gluster-users at gluster.org
> *Emne:* [Gluster-users] Gluster questions
>
>
>
> Hi group,
>
>
>
> I’m new to Gluster, and still have a lot to learn..
>
>
>
> I’ve build a 4 node setup for testing with Gluster 3.5.7  on CentOS
> 7.1.1503 (Core) an a replica 2 distributed volume
>
> optimized for VM’s. – I have a RHEV 3.5 (Redhat Enterprise Virtuliazation)
> setup connected to my volume with NFS
>
> as a storage domain, and I have 3 test VM’s running.
>
>
>
> I have 3 questions :
>
>
>
> 1 : If I reboot one of the cluster nodes it won’t start the gluster up
> correctly. Gluster is started but RPC does dot run.
>
> I have tried to enable it with systemctl but it don’t work. I have to
> start RPC manually and restart glusterd before the
>
> local NFS service in glusterd starts. – Does anyone have seen this problem
> ?
>
>
>
> 2 : I have tried to connect from RHEV 3.5 and create a storage domain with
> the GLUSTERFS protocol, but this is not possible,
>
> I get an error (Not possible to mount storage domain) In RHEV manager. I
> made a tcpdump and I can see that some version check
>
> is performed. Am I right it it could be the RHEV3.5 is build for Red Hat
> Gluster version and therefore has an earlier client version
> for gluster than 3.5.7 ? - Or are there backwards compability between
> clients and server ? - I think this could give problems in
>
> the future when upgrading RHEV or Gluster.. Maybe Ovirt is better to use
> with gluster. – What do you think ?
>
>
>
> 3 : Does anyone knows a good maintenance guide for gluster to handle daily
> maintenance tasks, like taking a node out of service,
>
> handling common errors, rebalancing and that kind of things..
>
>
>
> Thanks for reading,
>
>
>
> kind regards
>
> Peter Calum
>
>
>
>
>
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>
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