[Gluster-users] Technical questions

Antoine Nguyen antoine.nguyen at streamcore.com
Mon Sep 29 08:10:41 UTC 2008

Daniel Maher wrote:
> 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
Ok, this was what I supposed, thank you for the confirmation :-)
Do you have any idea about the other question ?

More information about the Gluster-users mailing list