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Depends on a lot of things. I use NFS (kernel space) over TCP
(version 3 I think). I have three nodes, two directors (running
failover with keepalived) and a database server. My DB server runs
double duty as the NFS server (Dual Opteron w/ 160'ish DB of RAID5
SATA drives). This setup handles 10 million pages a month with
relative ease (load rarely if ever goes over 1.00 on any of the
servers).
Some things to watch out for if you're running PHP in this setup with
sessions.
1.) Make sure all of your nodes point to the same session directory
2.) Set up your own garbage collection for session files (I nuke
session files that haven't been accessed in the last 6 hours with find).
Works like a charm - I've seen a similar setup (only with a dedicated
NetApp 760) service 30 million pages a month with relative ease (on
slower node/db hardware too).
HTH,
--Joe
On Jun 22, 2005, at 12:36 AM, Gavin Henry wrote:
Dear List,
What do people recommend for shared storage for the realservers and
directors?
Someone recommended drbd for the directors, but what about the real
servers?
NAS/SAN?
The configuration we are planning to implement is a dual director
setup
with 3 realservers for apache.
Thanks.
--
Kind Regards,
Gavin Henry.
Managing Director.
T +44 (0) 1224 279484
M +44 (0) 7930 323266
F +44 (0) 1224 742001
E ghenry@xxxxxxxxxxxxxxxxxx
Open Source. Open Solutions(tm).
http://www.suretecsystems.com/
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