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MariaDB will not bind to "localhost" if localhost is both IPv4/IPv6 enabled

If a host is configured with both an IPv6 and an IPv4 address, MariaDB will not start up. This was reported against mysql in http://bugs.mysql.com/bug.php?id=61713, and was later fixed. This fix is not in MariaDB.

I would also note that the mysql folks fixed it incorrectly. Please see http://bugs.mysql.com/bug.php?id=65122 for the follow up.

We are looking at migrating from MySQL to using MariaDB, but this inability to properly support IPv6 means that migration is a no-starter. I am astonished that since this was already at least partially fixed in MySQL it is not already in MariaDB.

zimbra@zre-ldap003:~$ cat /etc/hosts       localhost   zre-ldap003.eng.vmware.com      zre-ldap003

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fc00:10:137:242::53     zre-ldap003.eng.vmware.com      zre-ldap003
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

130402 16:51:24 mysqld_safe mysqld from pid file /opt/zimbra/db/mysql.pid ended
130402 16:56:53 mysqld_safe Starting mysqld daemon with databases from /opt/zimbra/db/data
130402 16:56:53 [ERROR] Can't start server: bind-address refers to multiple interfaces!
130402 16:56:53 [ERROR] Aborting