Re: [linux-lvm] LVM with multi-path disks?

["Ragnar Kjørstad" <lvm@ragnark.vestdata.no>]

On Mon, Aug 06, 2001 at 06:46:31PM -0700, Tracy R Reed wrote:
> On Sun, Aug 05, 2001 at 11:47:16PM +0200, Ragnar Kj�rstad wrote:
> > If I remember correctly, you configure as "multipath" not "raid1". 
> 
> Cool! I think I've heard about this patch once before. I will have to give
> it a try.  Dual-pathing is something we have been wanting for a long time.
> Do you think this patch something that is likely to one day be merged with
> the kernel such that we can count on it being with us for a while?

I'm just speculating but I can't see why not? Except for LVM
implementing mutlipath and making it obsolete, of course.

> Does anyone know of any driver for Clariion based disk arrays? I don't
> think the Sun T3 uses Clariion does it? We have a ton (many tons,
> literally :) that we are currently using with Solaris that we would love
> to be able to attach to Linux systems. These things are hardware RAID
> arrays with dual RAID controllers in them. When one RAID controller fails
> something special has to be done to transfer the LUNs from the dead
> controller over to the live one. They call this "ATF" or "Automatic
> Transparent Failover" and they don't seem to ship it for Linux. Only NT
> and Solaris. I've tried talking them into considering it but not had any
> success.

Pardon me for finding it amusing they call it Automatic Transparent
Failover when it apperently is neither automatic nor transparent :-)


-- 
Ragnar Kjorstad
Big Storage