RE: isw brokenness

["Cetnerowski, Adam" <adam.cetnerowski@xxxxxxxxx>]

-----Original Message-----
From: ataraid-list-bounces@xxxxxxxxxx
[mailto:ataraid-list-bounces@xxxxxxxxxx] On Behalf Of Heinz Mauelshagen
Sent: Monday, June 02, 2008 5:02 PM
To: ATARAID (eg, Promise Fasttrak,Highpoint 370) related discussions
Subject: Re: isw brokenness

On Wed, May 21, 2008 at 11:29:24AM -0400, Phillip Susi wrote:
> I am working on a bug report from a user with a 3 disk stripe set
using an 
> isw controller and have found an inconsistency in the metadata on one
of 
> the disks which causes dmraid to reject it.  Specifically, get_disk()
in 
> isw.c compares the serial number recorded in the disk section with the
one 
> recorded in the device section and fails if they do not match. The
strange 
> thing is that this users' other two disks match, but one does not.
>
> I was wondering if this was developed with documentation from Intel,

Yes.

> and 
> are the numbers supposed to match for sure?  If so, would that mean
there 
> is a bug in this users' bios?  And would it be acceptable to disable
this 
> check as a workaround?  By the way, Intel's windows driver does not
appear 
> to care and the array works normally in windows for this user.

To answer these questions, we need Intel to comment, please.


We are expecting a new patch for dmraid this week. Please check, if the
new version resolves these issues. If not, we will need a list of disks
(dmraid -b) and the complete metadata listing (dmraid -n) using the new
version of dmraid.

Sorry for the delay in answering.

Adam Cetnerowski
Intel Technology Poland


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