RHEL 5.3 & Multipathing question

Brian O'Mahony brian.omahony at curamsoftware.com
Tue Feb 23 11:54:04 CST 2010


Was able to convince the department to go to RHEL5.4 and let them deal with updating clearcase due to this:

When more than 64 MPIO paths are established, system suffers a kernel panic.

See bugfix;
https://bugzilla.redhat.com/show_bug.cgi?id=497411

And RH's advisory notice;
http://rhn.redhat.com/errata/RHSA-2009-1243.html

-----Original Message-----
From: Eugene Vilensky [mailto:evilensky at gmail.com] 
Sent: Tuesday, February 23, 2010 4:52 PM
To: Brian O'Mahony
Cc: linux-poweredge at dell.com
Subject: Re: RHEL 5.3 & Multipathing question

On Fri, Feb 19, 2010 at 4:50 AM, Brian O'Mahony
<brian.omahony at curamsoftware.com> wrote:

> If this is the case I am going to have to get the department this server is for to go back through their testing process of the software they are using etc, which will probably knock us back two weeks +
>
> Does anyone have any documentation on this issue?

The wording of the report suggest that this is a general
recommendation.  Unlike their previous "> 5.2" recommendation, this
one does not link to a Bugzilla bug or the like.  You could try
opening an EQL case asking to clarify the situation.  I would also
like to know.

There are a few iSCSI enancements in the 5.4 release notes, but they
seem to be mostly HBA driver related.

-Eugene


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