Bug 810788

Summary: duplicated entries in "blacklist" section for device-mapper-multipath-0.4.9-53
Product: Red Hat Enterprise Linux 6 Reporter: Gris Ge <fge>
Component: device-mapper-multipathAssignee: Ben Marzinski <bmarzins>
Status: CLOSED ERRATA QA Contact: Gris Ge <fge>
Severity: low Docs Contact:
Priority: unspecified    
Version: 6.3CC: agk, bmarzins, dwysocha, dyasny, heinzm, msnitzer, prajnoha, prockai, zkabelac
Target Milestone: rcKeywords: Regression
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: device-mapper-multipath-0.4.9-59.el6 Doc Type: Bug Fix
Doc Text:
Cause: A previous change caused multipath to store multiple duplicate blacklist entries Consequence: listing multipath's configuration showed multiple duplicate entries Fix: Multipath now checks for duplicates before storing configuration entries, and only stores unique ones. Result: Multipath no longer shows duplicate entries.
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-21 10:49:44 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 840683    

Description Gris Ge 2012-04-09 07:18:16 UTC
Description of problem:
device-mapper-multipath-0.4.9-53.el6.x86_64 are providing duplicated entries in "blacklist" section:
===
        device {
                vendor "IBM"
                product "Universal Xport"
        }
        device {
                vendor "IBM"
                product "Universal Xport"
        }
        device {
                vendor "IBM"
                product "S/390.*"
        }
        device {
                vendor "IBM"
                product "S/390.*"
        }
        device {
                vendor "DELL"
                product "Universal Xport"
        }
        device {
                vendor "DELL"
                product "Universal Xport"
        }
===

No side effect found.

Version-Release number of selected component (if applicable):
device-mapper-multipath-0.4.9-53.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Check the "blacklist" multipathd -k'show config'

  
Actual results:
Found duplicated blacklist entries.

Expected results:
No duplicated blacklist entries.

Additional info:
It's a regression, but no side effect found, hence requesting fix for RHEL 6.4 as https://bugzilla.redhat.com/show_bug.cgi?id=752989#c35

Comment 2 Ben Marzinski 2012-04-12 02:52:38 UTC
This is simply a cosmetic issue. There's no reason to fix it for 6.3.

Comment 3 Gris Ge 2012-04-27 08:27:45 UTC
This bug might be caused by bug #803527.

The patch of it contain duplicate blacklist entries.

Comment 4 Ben Marzinski 2012-10-10 16:39:31 UTC
Fixed.  Multipath now checks if the new entry is a duplicate before storing.

Comment 6 Gris Ge 2013-01-15 07:43:07 UTC
no duplicate blacklist entries in device-mapper-multipath-0.4.9-63.el6.x86_64.

VERIFY.

Comment 8 errata-xmlrpc 2013-02-21 10:49:44 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-0458.html