[Bugs] [Bug 1304465] New: dnscache in libglusterfs returns 127.0.0.1 for 1st non-localhost request

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1304465

            Bug ID: 1304465
           Summary: dnscache in libglusterfs returns 127.0.0.1 for 1st
                    non-localhost request
           Product: GlusterFS
           Version: mainline
         Component: core
          Keywords: Triaged
          Assignee: bugs at gluster.org
          Reporter: ndevos at redhat.com
                CC: bugs at gluster.org, kaushal at redhat.com,
                    pkarampu at redhat.com



Description of problem:
When 

Version-Release number of selected component (if applicable):


How reproducible:
100%

Steps to Reproduce:
1. setup a Gluster volume (server is called storage.example.com below)
2. on a non-Gluster server (client only):
   # mount -t glusterfs -o backup-volfile-servers=storage.example.com \
            localhost:/volume /mnt

Actual results:
Mounting will fail.

Expected results:
Mounting succeeds.

Additional info:
Enabling DEBUG logging with the additional "log-level=DEBUG" mount option shows
that the 1st DNS lookup in common-utils.c:333:gf_resolve_ip6 returns 127.0.0.1
for the storage.example.com hostname.

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