Bug 810788 - duplicated entries in "blacklist" section for device-mapper-multipath-0.4.9-53
Summary: duplicated entries in "blacklist" section for device-mapper-multipath-0.4.9-53
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: device-mapper-multipath
Version: 6.3
Hardware: All
OS: Linux
Target Milestone: rc
: ---
Assignee: Ben Marzinski
QA Contact: Gris Ge
Depends On:
Blocks: 840683
TreeView+ depends on / blocked
Reported: 2012-04-09 07:18 UTC by Gris Ge
Modified: 2013-02-21 10:49 UTC (History)
9 users (show)

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.
Clone Of:
Last Closed: 2013-02-21 10:49:44 UTC
Target Upstream Version:

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2013:0458 0 normal SHIPPED_LIVE device-mapper-multipath bug fix and enhancement update 2013-02-20 21:07:30 UTC

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):

How reproducible:

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.


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.


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