[PVE-User] Use GlusterFS or Ceph for proxmox vm's...

[Gerald Brandt]

On 2014-07-22, 3:27 PM, Gilberto Nunes wrote:
> Forgive me by the off topic, but I wonder if someone here can point me 
> the performance difference between GlusterFS and Ceph...
> Which one is faster? Why? Some docs or websites??
> Thank you...
>
> -- 
> Gilberto Ferreira
>
I tried Gluster, both native and it's NFS implementation.  The NFS 
worked great, until it didn't.  It began to fail under load.  The 
Gluster native worked fine, but halved my IO.  I was doing replicate 
gluster, which sends data to all (in my case 2) bricks over the same 
link, essentially reducing your speed.  2 bricks in replicate, half the 
speed.  3 bricks, 1/3 of the speed.

Gluster NFS replicates it's data between servers, not between client and 
server, and can be off-loaded to another network link.

I settled on standard kernel NFS with DRBD to replicate the data.  I 
changed the Proxmox config files to use NFSv4, and I am super happy.

Gerald

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