[Gluster-users] about HA infrastructure for hypervisors
Fernando Frediani (Qube)
fernando.frediani at qubenet.net
Thu Jun 28 09:43:05 UTC 2012
You should indeed to use the same server running as a storage brick as a KVM host to maximize hardware and power usage. Only thing I am not sure is if you can limit the amount of host memory Gluster can eat so most of it gets reserved for the Virtual Machines.
From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at gluster.org] On Behalf Of Nicolas Sebrecht
Sent: 28 June 2012 10:31
To: Thomas Jackson
Subject: [Gluster-users] Re: about HA infrastructure for hypervisors
The 28/06/12, Thomas Jackson wrote:
> Why don't you have KVM running on the Gluster bricks as well?
Good point. While abtracting we decided to seperate KVM & Gluster but I can't remember why.
We'll think about that again.
> We have a 4 node cluster (each with 4x 300GB 15k SAS drives in
> RAID10), 10 gigabit SFP+ Ethernet (with redundant switching). Each
> node participates in a distribute+replicate Gluster namespace and runs
> KVM. We found this to be the most efficient (and fastest) way to run the cluster.
> This works well for us, although (due to Gluster using fuse) it isn't
> as fast as we would like. Currently waiting for the KVM driver that
> has been discussed a few times recently, that should make a huge
> difference to the performance for us.
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