Hi,

I just updated almost all storage domains with backup-volfile-servers mount options, the last one remaining is the hosted_storage domain which serves hosted engine VM. I wonder if this domain also needs to be configured with  backup-volfile-servers option? If so how to do this - I can't put this domain on maintenance via web UI.

Regards,
Artem

On Wed, Dec 13, 2017 at 9:03 AM, Sahina Bose <sabose@redhat.com> wrote:
The backup-volfile-servers as an additional mount option should handle the case where one of the servers goes down - storage domain should continue to be available.
The servers specified for this option can be the servers participating in your volume. For instance, the set of unique servers from the "gluster volume info" command.

If even with this mount option, you're facing an issue - please log a bug with gluster mount logs and vdsm logs.

thanks
sahina

On Wed, Dec 13, 2017 at 12:37 AM, Beau Sapach <bsapach@ualberta.ca> wrote:
We did use the backup-volfile-servers option but still had trouble.  We were simply adding all servers in the cluster as backups, is there a best practice that should be followed?

On Tue, Dec 12, 2017 at 8:59 AM, Artem Tambovskiy <artem.tambovskiy@gmail.com> wrote:
I did exactly the same mistake with my standalone GlusterFS cluster and now need to take down all Storage Domains in order to fix this mistake. 
Probably, worth to add a few words about this in Installation guide!

On Tue, Dec 12, 2017 at 4:52 PM, Simone Tiraboschi <stirabos@redhat.com> wrote:


On Mon, Dec 11, 2017 at 8:44 PM, Beau Sapach <bsapach@ualberta.ca> wrote:
We've been doing some experimenting with gluster, and have built a stand-alone gluster cluster (not managed by oVirt).  We've been able to create a storage domain backed by that gluster cluster and run VMs with their disks on that storage.

The problem we have is that when we take a gluster node down for updates, maintenance etc. the entire storage domain goes offline in oVirt.  Other gluster clients, that is servers connecting directly to the gluster cluster don't seem to notice if one node goes offline.

Is anyone else using gluster storage in oVirt that is not managed within oVirt?

Did you set also the backup-volfile-servers mount option?
 


--
Beau Sapach
System Administrator | Information Technology Services | University of Alberta Libraries


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Beau Sapach
System Administrator | Information Technology Services | University of Alberta Libraries
Phone: 780.492.4181 | Email: Beau.Sapach@ualberta.ca


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