[Gluster-devel] Qmail Cluster with Gluster and Maildir

Amar S. Tumballi amar at zresearch.com
Fri Mar 21 20:12:11 UTC 2008

>  We are exploring the possibility of using Gluster in a High Availability
> Qmail Cluster.  Currently we use NFS to connect 5 qmail nodes to a single
> NFS server where the mail is stored.  This setup works GREAT for us
> without
> any problems.  (Except that the NFS server clunks out every week or so for
> an unknown reason...)

Welcome! sure, it can work fine as NFS replacement.

>  We want to move to Gluster and an AFR brick to give us a HA cluster.  How
> does gluster do with LOTS and LOTS of small files (140GB of files with an
> average size of 35k?)  My guess is that if it works with NFS it will work
> with Gluster, what about when one brick in the AFR goes down?  Does
> gluster
> timeout quickly and resume operations with just one node?

Yes, when a brick goes down, AFR handles it smoothly. User will not see the
effect of one machine going offline.

Amar Tumballi
Gluster/GlusterFS Hacker
[bulde on #gluster/irc.gnu.org]
http://www.zresearch.com - Commoditizing Supercomputing and Superstorage!

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