[Linux-cluster] Shared storage problems with LSI controller

[Lon Hohberger]

On Wed, 2007-01-24 at 18:19 +0100, Jos Vos wrote:
> On Wed, Jan 24, 2007 at 11:39:52AM -0500, Lon Hohberger wrote:
> 
> > I've seen abysmal performance in some megaraid+jbod configurations (e.g.
> > 50+ seconds to get 2 block reads and 2 block writes on RHEL2.1), but
> > I've never seen corruption like what you're describing.  Of course, it's
> > been almost 4 years since I used a host-RAID configuration, and I
> > haven't ever used one with GFS... ;(
> 
> Correction: I'm *not* using host-RAID.  The cabinet does the RAID
> internally (configured via network interface) and is just a SAN
> (the LV's on the cabinet show up as disks) for the connected hosts
> and the LSI 22320R is only used as an "ordinary" SCSI controller.
> 
> I'm using the MPT Fusion (mpt*) driver.

Argh, I got my wires crossed with another email I read concerning PV220S
+ megaraid.  Forget I said anything :) 

I don't have any experience with your hardware :(

-- Lon