[PVE-User] GlusterFS Questions

admin-at-extremeshok-dot-com admin at extremeshok.com
Thu Oct 23 04:32:54 CEST 2014


For a 2 node setup, you cant reliably use glusterfs for master-master.

DRDB is designed for a 2node  cluster

If you still want to use glusterfs, Create 2 sets of replicated slaves 
with 6 brocks each. Each node has its own master and its slave is 
replicated to the other server. This provides a backup. Reads are local, 
writes are replicated and non realtime, this allows you to have minmal 
network load.

Adding a 3rd node to gluster fs is pretty easy.

Ceph usually works better for VM;s and reducing IO.

On 10/23/2014 3:32 AM, Lindsay Mathieson wrote:
> I'm playing around with GlusterFS and have a few questions. Have got a 
> test setup running on a 2 node cluster (using external USB Drives!) 
> that works surprisingly well :) and I must say it was very easy to setup.
>
>
> 1. I wanted to implement a distributed/replicated file system. Is 
> GlusterFS the best choice for a 2 node system? Would it be easy to add 
> a third node later?
>
>
> 2. When launching a VM off Node 1 or Node 2, is it accessing the local 
> hard disk directly, or does it all go through a network share? Our 
> network is only 1GB and it would be nice to take some of the load off it.
>
>
> Should I be asking these question on the forum rather than the list?
>
>
> Thanks,
> -- 
> Lindsay
>
>
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