Any experience with RedHat booting off HP EVA Sans?

[Ed Wilts]

On Wed, Jan 04, 2006 at 07:42:17PM -0500, Callahan, Tom wrote:
> Anyone in this list have any experience with booting Linux off an HP EVA
> San? Ie. no physical disks, multiple failover paths, etc?

I don't think that's supported right now.  Check the dm-devel list and
get some feedback there.  It might work if you used Veritas DMP but I
don't think dm-multipath supports it.

I've got a couple of test boxes waiting to be set up that will have Veritas
Foundation Suite on it so I'll be running it through its paces (testing
qlogic failover vs dmp, ext3 vs vxfs, Veritas Cluster File System vs Red
Hat's GFS).  You're making me want to add SAN booting to my test
suite...

> I'm running RHEL4 AS right now, and we have several successful machines
> running failover over 2 Qlogic 2340 FC cards to a single SAN, but I am
> having weird issues with running these setups across two SAN's, with md
> mirroring across the sans for redundancy. These are all HA setups....

I'd seriously think about Foundation Suite.  Use DMP for your
multipathing and Veritas LVM for software mirroring across your arrays.
Foundation Suite is actually fairly cheap.  You'll pay less for the
suite than you will for a single HBA.

        .../Ed

-- 
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts at ewilts.org
Member #1, Red Hat Community Ambassador Program