[PVE-User] Ceph is the preferred proxmox shared storage?

Lindsay Mathieson lindsay.mathieson at gmail.com
Tue Nov 18 09:15:59 CET 2014


On 29 October 2014 19:45, Dietmar Maurer <dietmar at proxmox.com> wrote:
>> One big advantage glusterfs has here is the intermediate filesystem. If things go
>> totally pear shaped you can just pull one of the replica drives and copy the files
>> off it. Difficult if not impossible to do that with ceph.
>
> One big dis-advantage of glusterfs is behavior after node failure. Seems glusterfs
> re-read and compare ALL data when the other node comes up again. This produces
> much overhead and is very slow.


Heh, running into that right now :( Currently gluster is running
checksums on 12 VM's (500GB data), pegging the CPU on all nodes. This
after just rebooting one node.

Ceph would perform better in this case?

-- 
Lindsay



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