I'm running the official GlusterFS 3.5 packages on Ubuntu 12.04 and everything seems to be working fine, except mounting the GlusterFS volumes at boot time. This is what I see in the log files:

[2014-06-13 08:52:28.139382] I [glusterfsd.c:1959:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.5.0 (/usr/sbin/glusterfs --volfile-server=koraga --volfile-id=/private_uploads /var/www/shared/private/uploads)
[2014-06-13 08:52:28.147186] I [socket.c:3561:socket_init] 0-glusterfs: SSL support is NOT enabled
[2014-06-13 08:52:28.147237] I [socket.c:3576:socket_init] 0-glusterfs: using system polling thread
[2014-06-13 08:52:28.148183] E [socket.c:2161:socket_connect_finish] 0-glusterfs: connection to 176.58.113.205:24007 failed (Connection refused)
[2014-06-13 08:52:28.148236] E [glusterfsd-mgmt.c:1601:mgmt_rpc_notify] 0-glusterfsd-mgmt: failed to connect with remote-host: koraga (No data available)
[2014-06-13 08:52:28.148251] I [glusterfsd-mgmt.c:1607:mgmt_rpc_notify] 0-glusterfsd-mgmt: Exhausted all volfile servers
[2014-06-13 08:52:28.148477] W [glusterfsd.c:1095:cleanup_and_exit] (-->/usr/lib/x86_64-linux-gnu/libgfrpc.so.0(rpc_transport_notify+0x27) [0x7fe077f8e0f7] (-->/usr/lib/x86_64-linux-gnu/libgfrpc.so.0(rpc_clnt_notify+0x1a4) [0x7fe077f91cc4] (-->/usr/sbin/glusterfs(+0xcada) [0x7fe078655ada]))) 0-: received signum (1), shutting down
[2014-06-13 08:52:28.148513] I [fuse-bridge.c:5444:fini] 0-fuse: Unmounting '/var/www/shared/private/uploads'.

My fstab contains:

proc        /proc                        proc    defaults                       0       0
/dev/xvda   /                            ext4    noatime,errors=remount-ro      0       1
/dev/xvdb   none                         swap    sw                             0       0
/dev/xvdc   /var/lib/glusterfs/brick01   ext4    defaults                       1       2
koraga:/private_uploads /var/www/shared/private/uploads glusterfs defaults,_netdev 0 0

Any ideas what's going on and/or how to fix it?