Hi
I am currently testing GlusterFS in with replication.
I am running Ubuntu hardy using packages from the PPA on launchpad.net.
I am currently using glusterfs 2.0.6.
I have 2 machines, both exporting 1 brick each. This is the config I'm
using:
----8<----8<----8<----8<----8<----8<----8<----8<----8<----
volume posix
type storage/posix
option directory /home/export/
end-volume
volume locks
type features/locks
subvolumes posix
end-volume
volume cache
type performance/io-cache
subvolumes locks
end-volume
volume brick
type performance/io-threads
option thread-count 8
subvolumes cache
end-volume
### Add network serving capability to above brick.
volume server
type protocol/server
option transport-type tcp
subvolumes brick
option auth.addr.brick.allow * # Allow access to "brick" volume
end-volume
----8<----8<----8<----8<----8<----8<----8<----8<----8<----
I then have 2 clients (which happen to be the same 2 machines) that
connect to both bricks and replicate them using this config:
----8<----8<----8<----8<----8<----8<----8<----8<----8<----
### Add client feature and attach to remote subvolume of server1
volume brick1
type protocol/client
option transport-type tcp
option remote-host 172.19.45.102 # IP address of the remote brick
option remote-subvolume brick # name of the remote volume
end-volume
### Add client feature and attach to remote subvolume of server2
volume brick2
type protocol/client
option transport-type tcp
option remote-host 172.19.45.103 # IP address of the remote brick
option remote-subvolume brick # name of the remote volume
end-volume
volume replicate
type cluster/replicate
subvolumes brick1 brick2
end-volume
----8<----8<----8<----8<----8<----8<----8<----8<----8<----
If I start the 2 servers up, then mount both clients everything works
file. I have shared storage which is replicated to each host.
If I shut the one brick down, the client on that machine also dies and I
get strange errors:
----8<----8<----8<----8<----8<----8<----8<----8<----8<----
# cd /mnt/gluster
bash: cd: /mnt/gluster: Transport endpoint is not connected
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 9.5G 1.1G 7.9G 13% /
varrun 125M 68K 125M 1% /var/run
varlock 125M 0 125M 0% /var/lock
udev 125M 44K 125M 1% /dev
devshm 125M 0 125M 0% /dev/shm
df: `/mnt/gluster': Transport endpoint is not connected
# mount
/dev/sda1 on / type ext3 (rw,relatime,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
/sys on /sys type sysfs (rw,noexec,nosuid,nodev)
varrun on /var/run type tmpfs (rw,noexec,nosuid,nodev,mode=0755)
varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
udev on /dev type tmpfs (rw,mode=0755)
devshm on /dev/shm type tmpfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
securityfs on /sys/kernel/security type securityfs (rw)
/etc/glusterfs/glusterfs.vol on /mnt/gluster type fuse.glusterfs
(rw,allow_other,default_permissions,max_read=131072)
----8<----8<----8<----8<----8<----8<----8<----8<----8<----
Here is a copy of debug logs:
[2009-10-01 08:16:15] D [glusterfsd.c:354:_get_specfp] glusterfs:
loading volume file /etc/glusterfs/glusterfs.vol
================================================================================
Version : glusterfs 2.0.6 built on Aug 31 2009 20:14:31
TLA Revision : v2.0.6
Starting Time: 2009-10-01 08:16:15
Command line : glusterfs --log-level=DEBUG
--volfile=/etc/glusterfs/glusterfs.vol /mnt/gluster/
PID : 17884
System name : Linux
Nodename : cj-cpt-molb01
Kernel Release : 2.6.24-24-server
Hardware Identifier: i686
Given volfile:
+------------------------------------------------------------------------------+
1: ### Add client feature and attach to remote subvolume of server1
2: volume brick1
3: type protocol/client
4: option transport-type tcp
5: option remote-host 172.19.45.102 # IP address of the remote
brick
6: option remote-subvolume brick # name of the remote volume
7: end-volume
8:
9: ### Add client feature and attach to remote subvolume of server2
10: volume brick2
11: type protocol/client
12: option transport-type tcp
13: option remote-host 172.19.45.103 # IP address of the remote
brick
14: option remote-subvolume brick # name of the remote volume
15: end-volume
16:
17: volume replicate
18: type cluster/replicate
19: subvolumes brick1 brick2
20: end-volume
+------------------------------------------------------------------------------+
[2009-10-01 08:16:15] D [glusterfsd.c:1205:main] glusterfs: running in
pid 17884
[2009-10-01 08:16:15] D [client-protocol.c:5952:init] brick1: defaulting
frame-timeout to 30mins
[2009-10-01 08:16:15] D [client-protocol.c:5963:init] brick1: defaulting
ping-timeout to 10
[2009-10-01 08:16:15] D [transport.c:141:transport_load] transport:
attempt to load file /usr/lib/glusterfs/2.0.6/transport/socket.so
[2009-10-01 08:16:15] D [transport.c:141:transport_load] transport:
attempt to load file /usr/lib/glusterfs/2.0.6/transport/socket.so
[2009-10-01 08:16:15] D [client-protocol.c:5952:init] brick2: defaulting
frame-timeout to 30mins
[2009-10-01 08:16:15] D [client-protocol.c:5963:init] brick2: defaulting
ping-timeout to 10
[2009-10-01 08:16:15] D [transport.c:141:transport_load] transport:
attempt to load file /usr/lib/glusterfs/2.0.6/transport/socket.so
[2009-10-01 08:16:15] D [transport.c:141:transport_load] transport:
attempt to load file /usr/lib/glusterfs/2.0.6/transport/socket.so
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick1: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick1: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick2: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick2: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick1: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick1: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick2: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] D [client-protocol.c:6280:notify] brick2: got
GF_EVENT_PARENT_UP, attempting connect on transport
[2009-10-01 08:16:15] N [glusterfsd.c:1224:main] glusterfs: Successfully
started
[2009-10-01 08:16:15] D [client-protocol.c:6294:notify] brick1: got
GF_EVENT_CHILD_UP
[2009-10-01 08:16:15] D [client-protocol.c:6294:notify] brick1: got
GF_EVENT_CHILD_UP
[2009-10-01 08:16:15] N [client-protocol.c:5559:client_setvolume_cbk]
brick1: Connected to 172.19.45.102:6996, attached to remote volume 'brick'.
[2009-10-01 08:16:15] N [afr.c:2203:notify] replicate: Subvolume
'brick1' came back up; going online.
[2009-10-01 08:16:15] N [client-protocol.c:5559:client_setvolume_cbk]
brick1: Connected to 172.19.45.102:6996, attached to remote volume 'brick'.
[2009-10-01 08:16:15] N [afr.c:2203:notify] replicate: Subvolume
'brick1' came back up; going online.
[2009-10-01 08:16:15] D [client-protocol.c:6294:notify] brick2: got
GF_EVENT_CHILD_UP
[2009-10-01 08:16:15] D [client-protocol.c:6294:notify] brick2: got
GF_EVENT_CHILD_UP
[2009-10-01 08:16:15] N [client-protocol.c:5559:client_setvolume_cbk]
brick2: Connected to 172.19.45.103:6996, attached to remote volume 'brick'.
[2009-10-01 08:16:15] N [client-protocol.c:5559:client_setvolume_cbk]
brick2: Connected to 172.19.45.103:6996, attached to remote volume 'brick'.
[2009-10-01 08:17:24] N [client-protocol.c:6246:notify] brick1: disconnected
[2009-10-01 08:17:27] E [socket.c:745:socket_connect_finish] brick1:
connection to 172.19.45.102:6996 failed (Connection refused)
[2009-10-01 08:17:27] E [socket.c:745:socket_connect_finish] brick1:
connection to 172.19.45.102:6996 failed (Connection refused)
Any ideas?
--
Adrian Moisey
Systems Designer | CareerJunction | Better jobs. More often.
Web: www.careerjunction.co.za | Email: [email protected]
Phone: +27 21 818 8621 | Mobile: +27 82 858 7830 | Fax: +27 21 818 8855
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