Bug 1298603 - Memcached fails to start in ipv6 environment
Memcached fails to start in ipv6 environment
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: memcached (Show other bugs)
Unspecified Unspecified
urgent Severity urgent
: rc
: ---
Assigned To: Miroslav Lichvar
Leos Pol
: ZStream
Depends On: 1298401 1299075
Blocks: 1366158
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Reported: 2016-01-14 09:26 EST by Lon Hohberger
Modified: 2016-11-03 20:35 EDT (History)
11 users (show)

See Also:
Fixed In Version: memcached-1.4.15-10.el7
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 1298401
: 1366158 (view as bug list)
Last Closed: 2016-11-03 20:35:46 EDT
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Lon Hohberger 2016-01-14 09:26:13 EST
+++ This bug was initially created as a clone of Bug #1298401 +++

Description of problem:
Memcached fails to start in ipv6 environment:
overcloud-controller-0 systemd[1]: Starting Cluster Controlled memcached...
overcloud-controller-0 memcached[9948]: Invalid port number: "fd00:fd00:2000:f816:3eff:feae:9393"failed to listen on TCP port 11211: Success
overcloud-controller-0 systemd[1]: memcached.service: main process exited, code=exited, status=71/n/a
overcloud-controller-0 systemd[1]: Unit memcached.service entered failed state.

Version-Release number of selected component (if applicable):
I'm doing the test following the instructions in:
and enabling pacemaker by passing an additional $THT/environments/puppet-pacemaker.yaml environment file

How reproducible:

Steps to Reproduce:
1. Apply workarounds for BZ#1295986 and BZ#1297850
2. Deploy ipv6 enabled overcloud

Actual results:
systemd[1]: Starting Cluster Controlled memcached...
memcached[9948]: Invalid port number: "fd00:fd00:2000:f816:3eff:feae:9393"failed to listen on TCP port 11211: Success

Expected results:
memcached gets started

Additional info:
[root@overcloud-controller-0 ~]# cat /etc/sysconfig/memcached 
OPTIONS="-l fd00:fd00:fd00:2000:f816:3eff:feae:9393 -U 11211 -t 4 >> /var/log/memcached.log 2>&1"

Upstream fix:

--- Additional comment from Emilien Macchi on 2016-01-13 23:31:57 EST ---

Assigned to OPM because I think it's a bug in puppet-memcached. We're looking at it.

--- Additional comment from Marius Cornea on 2016-01-14 06:09:46 EST ---

The issue has been reported here:

and it appears to have been solved in release 1.4.25:

The version installed on my system is memcached-1.4.15-9.el7.x86_64
Comment 1 Lon Hohberger 2016-01-14 09:27:54 EST
Effectively, OpenStack can't be deployed on RHEL 7.2 using ipv6.
Comment 2 Miroslav Lichvar 2016-01-14 10:02:31 EST
The upstream patch applies cleanly to 1.4.15 and seems to work as expected.
Comment 10 errata-xmlrpc 2016-11-03 20:35:46 EDT
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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