[Gluster-users] Gluster client can't connect to Gluster volume

[Eric]

Hi, All:

I've built a Gluster-based storage cluster on a pair of CentOS 5.7 (i386) VM's. The nodes are using Gluster 3.2.6 (from source) and the host is using Gluster 3.0.0 (from the Mageia package repositories):

[eric at node1 ~]$ sudo /usr/local/sbin/gluster --version
glusterfs 3.2.6 built on May  3 2012 15:53:02

[eric at localhost ~]$ rpm -qa | grep glusterfs
glusterfs-common-3.0.0-2.mga1
glusterfs-client-3.0.0-2.mga1
glusterfs-server-3.0.0-2.mga1
libglusterfs0-3.0.0-2.mga1

None of the systems (i.e., neither  the two storage nodes nor the client) can connect to Port 6996 of the cluster (node1.example.com & node2.example.com) but the two storage nodes can mount the shared volume using the Gluster helper and/or NFS:

[eric at node1 ~]$ sudo /sbin/lsmod | grep fuse

[eric at node1 ~]$ sudo /sbin/modprobe fuse

[eric at node1 ~]$ sudo /sbin/lsmod | grep fuse
fuse                   49237  0 

[eric at node1 ~]$ sudo mount -t glusterfs node1:/mirror-1 /mnt

[eric at node1 ~]$ sudo grep gluster /etc/mtab 
glusterfs#node1:/mirror-1 /mnt fuse rw,allow_other,default_permissions,max_read=131072 0 0

...but the host system is only able to connect using NFS:

[eric at localhost ~]$ sudo glusterfs --debug -f /tmp/glusterfs.vol /mnt
[2012-05-04 19:09:09] D [glusterfsd.c:424:_get_specfp] glusterfs: loading volume file /tmp/glusterfs.vol
================================================================================
Version      : glusterfs 3.0.0 built on Apr 10 2011 19:12:54
git: 2.0.1-886-g8379edd
Starting Time: 2012-05-04 19:09:09
Command line : glusterfs --debug -f /tmp/glusterfs.vol /mnt 
PID          : 30159
System name  : Linux
Nodename     : localhost.localdomain
Kernel Release : 2.6.38.8-desktop586-10.mga
Hardware Identifier: i686

Given volfile:
+------------------------------------------------------------------------------+
  1: volume mirror-1
  2:  type protocol/client
  3:  option transport-type tcp
  4:  option remote-host node1.example.com
  5:  option remote-subvolume mirror-1
  6: end-volume
+------------------------------------------------------------------------------+
[2012-05-04 19:09:09] D [glusterfsd.c:1335:main] glusterfs: running in pid 30159
[2012-05-04 19:09:09] D [client-protocol.c:6581:init] mirror-1: defaulting frame-timeout to 30mins
[2012-05-04 19:09:09] D [client-protocol.c:6592:init] mirror-1: defaulting ping-timeout to 42
[2012-05-04
 19:09:09] D [transport.c:145:transport_load] transport: attempt to load
 file /usr/lib/glusterfs/3.0.0/transport/socket.so
[2012-05-04 
19:09:09] D [transport.c:145:transport_load] transport: attempt to load 
file /usr/lib/glusterfs/3.0.0/transport/socket.so
[2012-05-04 19:09:09] D [client-protocol.c:7005:notify] mirror-1: got GF_EVENT_PARENT_UP, attempting connect on transport
[2012-05-04 19:09:09] D [client-protocol.c:7005:notify] mirror-1: got GF_EVENT_PARENT_UP, attempting connect on transport
[2012-05-04 19:09:09] D [client-protocol.c:7005:notify] mirror-1: got GF_EVENT_PARENT_UP, attempting connect on transport
[2012-05-04 19:09:09] D [client-protocol.c:7005:notify] mirror-1: got GF_EVENT_PARENT_UP, attempting connect on transport
[2012-05-04 19:09:09] N [glusterfsd.c:1361:main] glusterfs: Successfully started
[2012-05-04 19:09:09] E [socket.c:760:socket_connect_finish] mirror-1: connection to  failed (Connection refused)
[2012-05-04
 19:09:09] D [fuse-bridge.c:3079:fuse_thread_proc] fuse:  
pthread_cond_timedout returned non zero value ret: 0 errno: 0
[2012-05-04
 19:09:09] N [fuse-bridge.c:2931:fuse_init] glusterfs-fuse: FUSE inited 
with protocol versions: glusterfs 7.13 kernel 7.16
[2012-05-04 19:09:09] E [socket.c:760:socket_connect_finish] mirror-1: connection to  failed (Connection refused)

I've read through the Troubleshooting section of the Gluster Administration Guide and the Gluster User Guide but can't seem to resolve the problem. (See my post on the Mageia Forum for all the troubleshooting details: https://forums.mageia.org/en/viewtopic.php?f=7&t=2358&p=17517)

What might be causing this?

TIA,
Eric Pretorious
Truckee, CA


https://forums.mageia.org/en/viewtopic.php?f=7&t=2358&p=17517
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