On 10/22/13 13:58, Scot Hollingsworth wrote:
Hi.
I've been working with gluster for about a week now. So far, I can see
myself moving off my existing Redhat GFS cluster for gluster. I'm doing
some testing and don't completely understand the client side yet. Let
me explain. I have two servers both have a brick with 275GB of
storage. Gluster is setup and replicating the files to each node. I
mounted the volume on node1. I setup a Xenserver and connected to
node1. Creating VMs using the gluster SR on node1 is working. However,
I only see 275GB available on the SR. Is this because I have volume
mounted on a server node? Should I have a separate client that mounts
the volume? From what I understand the client will still mount 1
server. I do have a few more servers I can add to my gluster. Before I
continue with my setup, I am curious will the Xenserver only see how
available storage on the node that it connects to. I guess I was
thinking I would see a volume that has the combined storage capacity not
just one disk.
You have two nodes with one brick on each node.
You created a volume with "replica 2".
This means that the two bricks are combined as a mirror. Anything
written to one, is also written to the other. So, effectively you only
have one brick worth of available space.
If you want to have 550GB of space in the volume, then you need to not
specify any replica counts for the volume.
--
Mr. Flibble
King of the Potato People
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