From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chandra Seetharaman <sekharan@us.ibm.com>
Subject: Re: Sun StorageTek 2530 and dm?
Date: Mon, 24 Aug 2009 14:06:01 -0700
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On Mon, 2009-08-24 at 22:53 +0200, Jakov Sosic wrote:
> On Mon, 24 Aug 2009 13:44:34 -0700
> Chandra Seetharaman <sekharan@us.ibm.com> wrote:
> 
> > ok.. simple words; That patch won't help you.
> 
> hm :( so defining "SUN" "LCMS100_S" won't help? Although in
> scsi_dh_rdac only "SUN" "LCMS100_F" is defined. And that stands for
> Fiber, while mine is SAS cabling...

Adding this to scsi_dh_rdac makes sure that the module recognizes your
device at boot time itself (provided you have it in your initrd image).
> 
> I've recompiled RPM with added patch, then extracted single module
> (scsi_dh_rdac.ko), and put it in place of the original module...
> 
> FATAL: Error inserting scsi_dh_rdac
> (/lib/modules/2.6.18-128.4.1.el5xen/kernel/drivers/scsi/device_handler/scsi_dh_rdac.ko):
> Invalid module format

Hmm, just that change should cause this. BTW, can you provide the patch
you are trying to add.


Can you also provide the (current) o/p of "multipath -ll" and
current /etc/multipath.conf.

> 
> I guess I'll have to build the whole kernel just because of this :(
> 
> 
> 
> > This is uncalled for!!
> 
> Sorry, I'm easily flammable...

but doesn't help the cause :).. lets stay objective here :)
> 
> 
> 
>