[Bugs] [Bug 1507585] New: client cannot mount ipv6 gluster volume / [ common-utils.c:320:gf_resolve_ip6] 0-resolver: getaddrinfo failed ( Name or service not known)

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1507585

            Bug ID: 1507585
           Summary: client cannot mount ipv6 gluster volume /
                    [common-utils.c:320:gf_resolve_ip6] 0-resolver:
                    getaddrinfo failed (Name or service not known)
           Product: GlusterFS
           Version: 3.12
         Component: fuse
          Severity: medium
          Assignee: bugs at gluster.org
          Reporter: jbelka at redhat.com
                CC: bugs at gluster.org



Description of problem:

i have replica 3 listening on ipv6 and i can't mount it from a client over
ipv6:

[2017-10-30 15:12:03.241527] I [MSGID: 100030] [glusterfsd.c:2496:main]
0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.12.1
(args: /usr/sbin/glusterfs --log-level=TRACE 
--volfile-server=brq-gluster03.example.com --volfile-id=/testdom /mnt)
...
[2017-10-30 15:12:03.266359] T [MSGID: 0] [common-utils.c:307:gf_resolve_ip6]
0-resolver: DNS cache not present, freshly probing hostname:
brq-gluster03.example.com
[2017-10-30 15:12:03.461995] E [MSGID: 101075]
[common-utils.c:320:gf_resolve_ip6] 0-resolver: getaddrinfo failed (Name or
service not known)
[2017-10-30 15:12:03.462086] E [name.c:267:af_inet_client_get_remote_sockaddr]
0-glusterfs: DNS resolution failed on host brq-gluster03.example.com
[2017-10-30 15:12:03.466859] I [glusterfsd-mgmt.c:2208:mgmt_rpc_notify]
0-glusterfsd-mgmt: disconnected from remote-host: brq-gluster03.example.com

# dig +short brq-gluster03.example.com. AAAA
2620:52:0:2588:21a:4aff:fed0:404e

# telnet -6 brq-gluster03.example.com 24007
Trying 2620:52:0:2588:21a:4aff:fed0:404e...
Connected to brq-gluster03.example.com.
Escape character is '^]'.
^]
telnet> quit
Connection closed.

Version-Release number of selected component (if applicable):
glusterfs-3.12.1-2.el7.x86_64 / centos-release-7-4.1708.el7.centos.x86_64

How reproducible:
100%

Steps to Reproduce:
1. have replica 3 listening on ipv6
2. have a gluster client on ipv6
3. mount -t gluster glusterserver1:/volume /mnt

Actual results:
i can't mount gluster volume over ipv6

Expected results:
should work

Additional info:

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