[ClusterLabs] Question on sharing data with DRDB
Valentin.Vidic at CARNet.hr
Wed Mar 20 13:41:09 EDT 2019
On Wed, Mar 20, 2019 at 12:37:21PM -0400, Digimer wrote:
> Cluster filesystems are amazing if you need them, and to be avoided if
> at all possible. The overhead from the cluster locking hurts performance
> quite a lot, and adds a non-trivial layer of complexity.
> I say this as someone who has used dual-primary DRBD with GFS2 for
> many years.
If the GFS2 holds qcow2 images, does node1 need to synchronize writes
to vm1.qcow2 with node2 writing to vm2.qcow2?
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