On Wed, Sep 6, 2017 at 3:32 PM, Abi Askushi <rightkicktech@gmail.com> wrote:

Hi All,

I've playing with ovirt self hosted engine setup and I even use it to production for several VM. The setup I have is 3 server with gluster storage in replica 2+1 (1 arbiter).
The data storage domain where VMs are stored is mounted with gluster through ovirt. The performance I get for the VMs is very low and I was thinking to switch and mount the same storage through NFS instead of glusterfs.

I don't see how it'll improve performance.

I suggest you share the gluster configuration (as well as the storage HW) so we can understand why the performance is low.

The only think I am hesitant is how can I ensure high availability of the storage when I loose one server? I was thinking to have at /etc/hosts sth like below:

10.100.100.1 nfsmount
10.100.100.2 nfsmount
10.100.100.3 nfsmount

then use nfsmount as the server name when adding this domain through ovirt GUI.
Are there any other more elegant solutions? What do you do for such cases?
Note: gluster has the back-vol-file option which provides a lean way to have redundancy on the mount point and I am using this when mounting with glusterfs.

Thanx

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