linux-kernel - RE: Multi-Initiator SAS

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Message-ID: <664A4EBB07F29743873A87CF62C26D7032CDD4@NAMAIL4.ad.lsil.com>
Date:	Tue, 19 Sep 2006 14:31:57 -0600
From:	"Moore, Eric" <Eric.Moore@...l.com>
To:	"Darrick J. Wong" <djwong@...ibm.com>, <dougg@...que.net>
Cc:	<linux-scsi@...r.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: RE: Multi-Initiator SAS

Darrick J. Wong wrote:

> Douglas Gilbert wrote:
> 
> > With the mptsas driver you can use smp_utils to look
> > at that expander via /dev/mptctl ('modprobe mptctl' first).
> > To get an overview of what the expander sees, try:
> >  # smp_discover -mb /dev/mptctl
> 
> Unfortunately, I see this:
> 


You need to pass the sas address of the expander.

./smp_discover --sa=sas_address /dev/mptctl

where sas_address can be found in
/sys/class/sas_device/expander-X:0/sas_address
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