Bug 636994 – [NetApp 6.1 bug] SCSI ALUA handler fails to handle ALUA transitioning properly

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Bug 636994 - [NetApp 6.1 bug] SCSI ALUA handler fails to handle ALUA transitioning properly

Summary:	[NetApp 6.1 bug] SCSI ALUA handler fails to handle ALUA transitioning properly

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 6
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	6.1
Hardware:	All Linux

Priority	urgent Severity urgent
Target Milestone:	rc
Target Release:	6.1
Assigned To:	Mike Snitzer
QA Contact:	Storage QE
Docs Contact:

URL:
Whiteboard:
Keywords:	OtherQA, ZStream

Duplicates:	619375 (view as bug list)
Depends On:
Blocks:	580566 659610
	Show dependency tree / graph

Reported:	2010-09-23 17:53 EDT by Mike Snitzer
Modified:	2011-05-19 08:05 EDT (History)
CC List:	12 users (show)

See Also:
Fixed In Version:	kernel-2.6.32-84.el6
Doc Type:	Bug Fix
Doc Text:	Handling ALUA (Asymmetric Logical Unit Access) transitioning states did not work properly due to a faulty SCSI (Small Computer System Interface) ALUA handler. With this update, optimized state transitioning prevents the aforementioned behavior.
Story Points:	---
Clone Of:	619361
Environment:
Last Closed:	2011-05-19 08:05:17 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2011:0542	normal	SHIPPED_LIVE	Important: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update	2011-05-19 07:58:07 EDT

Groups: None (edit)

Description Mike Snitzer 2010-09-23 17:53:47 EDT

May propose for 6.0.z based on feedback from NetApp.

+++ This bug was initially created as a clone of Bug #619361 +++

Description of problem:
The SCSI ALUA handler does not handle ALUA transitioning states properly.

--- Additional comment from msnitzer@redhat.com on 2010-09-23 17:48:54 EDT ---

Just posted v3, which is the result of upstream review on linux-scsi:
http://www.spinics.net/lists/linux-scsi/msg46988.html

Comment 1 RHEL Product and Program Management 2010-10-04 21:57:50 EDT

This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.

Comment 2 Mike Snitzer 2010-10-08 13:34:50 EDT

Now staged in jejb's tree for 2.6.37 inclusion:
http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commit;h=69723d178da97

Comment 3 Andrius Benokraitis 2010-10-13 09:20:11 EDT

*** Bug 619375 has been marked as a duplicate of this bug. ***

Comment 7 Aristeu Rozanski 2010-12-13 10:08:36 EST

Patch(es) available on kernel-2.6.32-89.el6

Comment 10 Martin Prpič 2011-02-23 10:05:04 EST

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Handling ALUA (Asymmetric Logical Unit Access) transitioning states did not work properly due to a faulty SCSI (Small Computer System Interface) ALUA handler. With this update, optimized state transitioning prevents the aforementioned behavior.

Comment 11 Chris Ward 2011-04-06 07:15:36 EDT

~~ Partners and Customers ~~

This bug was included in RHEL 6.1 Beta. Please confirm the status of this request as soon as possible.

If you're having problems accessing 6.1 bits, are delayed in your test execution or find in testing that the request was not addressed adequately, please let us know.

Thanks!

Comment 12 errata-xmlrpc 2011-05-19 08:05:17 EDT

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0542.html

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