i386/100160: [mfid] Perc5i: additional symptomatic info on virtual disk detection issue

[Paul Saab]

The following reply was made to PR i386/100160; it has been noted by GNATS.

From: Paul Saab <ps at freebsd.org>
To: Bucky Jordan <bjordan at lumeta.com>
Cc: Jeffrey Williams <jeff at sailorfej.net>,  bug-followup at FreeBSD.org, 
 freebsd-stable at FreeBSD.org,  freebsd-i386 at FreeBSD.org, 
 dmartin at euitt.upm.es
Subject: Re: i386/100160: [mfid] Perc5i: additional symptomatic info on	virtual
 disk detection issue
Date: Wed, 06 Sep 2006 09:46:59 -0700

 revision 1.11
 date: 2006/06/20 22:41:44;  author: ps;  state: Exp;  lines: +77 -202
 Instead of using scsi probes to do device discovery, use the firmware
 commands to grab the device listing.  This resolves issues using
 multiple volumes, where each volume was actually internally pointing
 to target 0.
 
 
 Bucky Jordan wrote:
 >> In the meantime if anybody else is aware of another work around of fix 
 >> for this, I appreciate hearing about it.  
 >>     
 >
 > I've got almost the same setup- 6.1 amd64 RELEASE, a 2950 with 6 drives
 > attached to the Perc5/I SAS Raid controller. Right now I've got the
 > whole thing configured as a RAID5x6 disks and it seems to be working
 > fine. 
 >
 > I was able to also create smaller RAID sets (for example, a 4 disk
 > RAID10) without an issue, and I did not have to remove extra drives.
 >
 > Someone (on -hardware I think) mentioned that the problem recognizing
 > multiple virtual volumes is addressed in 6-stable, but I have not had
 > the chance to try it out. I will post the results if/when I do.
 >
 > - Bucky
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 >