Re: Gluster questions - glusterfs 3.7.5

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Correction : Version are glusterfs 3.7.5

 

Fra: gluster-users-bounces@xxxxxxxxxxx [mailto:gluster-users-bounces@xxxxxxxxxxx] På vegne af Peter Michael Calum
Sendt: 7. november 2015 14:11
Til: gluster-users@xxxxxxxxxxx
Emne: 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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