----- Original Message -----
> I'm looking for some opinions on this configuration in an effort to increase
> write performance:
> 
> 3 storage nodes using glusterfs in replica 3, quorum.

gluster doesn't support replica 3 yet, so I'm not sure how heavily I'd rely on 
this.

> Ovirt storage domain via NFS

why NFS and not gluster?

> Volume set nfs.trusted-sync on
> On Ovirt, taking snapshots often enough to recover from a storage crash

Note that this would have negative write performance impact

> Using CTDB to manage NFS storage domain IP, moving it to another storage node
> when necessary
> 
> Something along the lines of EC2's data consistency model, where only
> snapshots can be considered reliable. The Ovirt added advantage would be
> memory consistency at time of snapshot as well.
> 
> Feedback appreciated, including 'you are insane for thinking this is a good
> idea' (and some supported reasoning would be great).
> 
> Thanks,
> 
> 
> 
> Steve Dainard
> IT Infrastructure Manager
> Miovision | Rethink Traffic
> 
> Blog | LinkedIn | Twitter | Facebook
> Miovision Technologies Inc. | 148 Manitou Drive, Suite 101, Kitchener, ON,
> Canada | N2C 1L3
> This e-mail may contain information that is privileged or confidential. If
> you are not the intended recipient, please delete the e-mail and any
> attachments and notify us immediately.
> 
> _______________________________________________
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
> 
_______________________________________________
Users mailing list
Users@ovirt.org
http://lists.ovirt.org/mailman/listinfo/users

Reply via email to