[Bugs] [Bug 1117886] Gluster not resolving hosts with IPv6 only lookups

Mon May 23 08:41:14 UTC 2016

https://bugzilla.redhat.com/show_bug.cgi?id=1117886

bing.kaibing at ericsson.com changed:

           What    |Removed                     |Added
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                 CC|                            |bing.kaibing at ericsson.com

--- Comment #37 from bing.kaibing at ericsson.com ---

(In reply to Vijay Bellur from comment #36)
> COMMIT: http://review.gluster.org/11988 committed in master by Jeff Darcy
> (jdarcy at redhat.com) 
> ------
> commit 46bd29e0f2a7fc9278068a06d12066d614f365ec
> Author: Nithin D <nithind1988 at yahoo.in>
> Date:   Sun Nov 15 22:14:43 2015 +0530
> 
>     glusterd: Bug fixes for IPv6 support
>     
>     Problem:
>     Glusterd not working using ipv6 transport. The idea is with proper
> glusterd.vol configuration,
>     1. glusterd needs to listen on default port (240007) as IPv6 TCP listner.
>     2. Volume creation/deletion/mounting/add-bricks/delete-bricks/peer-probe
>        needs to work using ipv6 addresses.
>     3. Bricks needs to listen on ipv6 addresses.
>     All the above functionality is needed to say that glusterd supports ipv6
> transport and this is broken.
>     
>     Fix:
>     When "option transport.address-family inet6" option is present in
> glusterd.vol
>     file, it is made sure that glusterd creates listeners using ipv6 sockets
> only and also the same information is saved
>     inside brick volume files used by glusterfsd brick process when they are
> starting.
>     
>     Tests Run:
>     Regression tests using ./run-tests.sh
>         IPv4: Ran manually till tests/basic/rpm.t .
>         IPv6: (Need to add the above mentioned config and also add an entry
> for "hostname ::1" in /etc/hosts)
>             Started failing at ./tests/basic/glusterd/arbiter-volume-probe.t
> and ran successfully till here
>     
>     Unit Tests using Ipv6
>         peer probe
>         add-bricks
>         remove-bricks
>         create volume
>         replace-bricks
>         start volume
>         stop volume
>         delete volume
>     
>     Change-Id: Iebc96e6cce748b5924ce5da17b0114600ec70a6e
>     BUG: 1117886
>     Signed-off-by: Nithin D <nithind1988 at yahoo.in>
>     Reviewed-on: http://review.gluster.org/11988
>     Smoke: Gluster Build System <jenkins at build.gluster.com>
>     NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
>     CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
>     Reviewed-by: Atin Mukherjee <amukherj at redhat.com>
>     Reviewed-by: Jeff Darcy <jdarcy at redhat.com>

Hi,

   I still meet the same problem in an IPv6-only environment after follow your
suggestion  . please help, Here is my env informations:

# glusterfsd --version
glusterfs 3.7.11 built on Apr 27 2016 14:09:20
Repository revision: git://git.gluster.com/glusterfs.git
Copyright (c) 2006-2013 Red Hat, Inc. <http://www.redhat.com/>
GlusterFS comes with ABSOLUTELY NO WARRANTY.
It is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3
or later), or the GNU General Public License, version 2 (GPLv2),
in all cases as published by the Free Software Foundation.

=====
netstat -anop | grep gluster
tcp        0      0 :::24007                    :::*                       
LISTEN      10770/glusterd      off (0.00/0/0)
unix  2      [ ACC ]     STREAM     LISTENING     647165 10770/glusterd     
/var/run/glusterd.socket
unix  2      [ ]         DGRAM                    647160 10770/glusterd

===== error when execute "gluster peer prob typhoon-adf-rr2-eth2"

[2016-05-23 08:31:55.179633] I [MSGID: 106487]
[glusterd-handler.c:1239:__glusterd_handle_cli_probe] 0-glusterd: Received CLI
probe req typhoon-adf-rr2-eth2 24007
[2016-05-23 08:31:55.198211] I [MSGID: 106129]
[glusterd-handler.c:3661:glusterd_probe_begin] 0-glusterd: Unable to find
peerinfo for host: typhoon-adf-rr2-eth2 (24007)
[2016-05-23 08:31:55.202330] I [rpc-clnt.c:1004:rpc_clnt_connection_init]
0-management: setting frame-timeout to 600
[2016-05-23 08:31:55.208240] E [MSGID: 101075]
[common-utils.c:306:gf_resolve_ip6] 0-resolver: getaddrinfo failed (Temporary
failure in name resolution)
[2016-05-23 08:31:55.208285] E [name.c:247:af_inet_client_get_remote_sockaddr]
0-management: DNS resolution failed on host typhoon-adf-rr2-eth2
[2016-05-23 08:31:55.210194] I [MSGID: 106498]
[glusterd-handler.c:3589:glusterd_friend_add] 0-management: connect returned 0
[2016-05-23 08:31:55.210340] I [MSGID: 106004]
[glusterd-handler.c:5200:__glusterd_peer_rpc_notify] 0-management: Peer
<typhoon-adf-rr2-eth2> (<00000000-0000-0000-0000-000000000000>), in state
<Establishing Connection>, has disconnected from glusterd.

====== IPv6 can reach  typhoon-adf-rr2-eth2

ping6  typhoon-adf-rr2-eth2
PING typhoon-adf-rr2-eth2(typhoon-adf-rr2-eth2) 56 data bytes
64 bytes from typhoon-adf-rr2-eth2: icmp_seq=1 ttl=64 time=1.98 ms
64 bytes from typhoon-adf-rr2-eth2: icmp_seq=2 ttl=64 time=0.256 ms
64 bytes from typhoon-adf-rr2-eth2: icmp_seq=3 ttl=64 time=0.289 ms

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