[Linux-cluster] RAID1 in RHCS / RHEL5

[Gordan Bobic]

 On Wed, 27 Jul 2011 09:14:08 -0600, Ivan Fetch <ifetch at du.edu> wrote:

> I had thought about DRBd, but would rather not mirror over network
> links, when I can mirror over the SAN.

 Then I guess that is something you need to bring up with your SAN 
 vendor.

> I am also not sure how DRBD
> would handle our running a Postgresql database on top of it, having
> never used DRBD in production. Do you have any experience with
> databases on DRBD?

 Yes, I have been using DRBD for backing databases in fail-over 
 scenarios
 for years. Provided that your fencing works properely and that you 
 don't
 try to mount the device on both sides at the same time, it'll work 
 fine.

 Gordan