[CentOS] Is glusterfs ready?

[Les Mikesell]

On Wed, Aug 29, 2012 at 7:49 AM, Johnny Hughes <johnny at centos.org> wrote:
> > If we were rich, I guess we would have two (or more) "geo-replicated" glusters and
>> be able to withstand one failing...
>> I would like the same trust level that I have in RAID.
>
> I have routinely used DRBD for things like this ... 2 servers, one a
> complete failover of the other one.  Of course, that requires a 50+ TB
> file system on each machine.

How well do glusterfs or drbd deal with downtime of one of the
members?    Do they catch up quickly with incremental updates and what
kind of impact does that have on performance as it happens?   And is
either suitable for running over distances where there is some network
latency?

-- 
  Les Mikesell
    lesmikesell at gmail.com