Antoine Nguyen wrote: > I have the following architecture : a cluster with 4 nodes configured to > do server-side AFR. I'm not using the UNIFY translator. There is a > dedicated network for replication. This is working pretty well. In order > to test this setup, a client machine access nodes randomly by a round > robin DNS address. > > This model is inspired by examples I've seen on the official wiki. On > those examples, the AFR volume on each node is "under" a UNIFY volume. > When I start glusterfsd, a message appeared, saying : "WARNING: You have > defined only one "subvolumes" for unify volume. It may not be the > desired config, review your volume spec file. If this is how you are > testing it, you may hit some performance penalty". > > This message confirms what I'm thinking : it seems that the unify volume > is useless in this kind of configuration. Is there a (good) reason in > defining a unify volume ? In this _particular_ scenario there is no obvious reason to be using the Unify translator. In fact, when i set up my first Gluster config in this fashion, i too used the Unify translator erroneously - it caused nothing but problems until i got rid of it. :P -- Daniel Maher <dma+gluster AT witbe DOT net>
