I finally got the servers transported 2000 miles, set-up, wired, and booted.
Here are the vol files.
Just to reiterate, the issues are slow performance on read/write, and clients hanging when 1 server goes down.
### glusterfs.vol ###
############################################
# Start tcb_cluster
############################################
# the exported volume to mount # required!
volume tcb_cluster
type protocol/client
option transport-type tcp/client
option remote-host glustcluster
option remote-port 50001
option remote-subvolume tcb_cluster
end-volume
############################################
# Start cs_cluster
############################################
# the exported volume to mount # required!
volume cs_cluster
type protocol/client
option transport-type tcp/client
option remote-host glustcluster
option remote-port 50002
option remote-subvolume cs_cluster
end-volume
############################################
# Start pbx_cluster
############################################
# the exported volume to mount # required!
volume pbx_cluster
type protocol/client
option transport-type tcp/client
option remote-host glustcluster
option remote-port 50003
option remote-subvolume pbx_cluster
end-volume
---------------------------------------------------
### glusterfsd.vol ###
#############################################
# Start tcb_data cluster
#############################################
volume tcb_local
type storage/posix
option directory /mnt/tcb_data
end-volume
volume tcb_locks
type features/locks
option mandatory-locks on # enables mandatory locking on all files
subvolumes tcb_local
end-volume
# dataspace on remote machine, look in /etc/hosts to see that
volume tcb_locks_remote
type protocol/client
option transport-type tcp
option remote-port 50001
option remote-host 192.168.1.25
option remote-subvolume tcb_locks
end-volume
# automatic file replication translator for dataspace
volume tcb_cluster_afr
type cluster/replicate
subvolumes tcb_locks tcb_locks_remote
end-volume
# the actual exported volume
volume tcb_cluster
type performance/io-threads
option thread-count 256
option cache-size 128MB
subvolumes tcb_cluster_afr
end-volume
volume tcb_cluster_server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 50001
option auth.addr.tcb_locks.allow *
option auth.addr.tcb_cluster.allow *
option transport.socket.nodelay on
subvolumes tcb_cluster
end-volume
#############################################
# Start cs_data cluster
#############################################
volume cs_local
type storage/posix
option directory /mnt/cs_data
end-volume
volume cs_locks
type features/locks
option mandatory-locks on # enables mandatory locking on all files
subvolumes cs_local
end-volume
# dataspace on remote machine, look in /etc/hosts to see that
volume cs_locks_remote
type protocol/client
option transport-type tcp
option remote-port 50002
option remote-host 192.168.1.25
option remote-subvolume cs_locks
end-volume
# automatic file replication translator for dataspace
volume cs_cluster_afr
type cluster/replicate
subvolumes cs_locks cs_locks_remote
end-volume
# the actual exported volume
volume cs_cluster
type performance/io-threads
option thread-count 256
option cache-size 128MB
subvolumes cs_cluster_afr
end-volume
volume cs_cluster_server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 50002
option auth.addr.cs_locks.allow *
option auth.addr.cs_cluster.allow *
option transport.socket.nodelay on
subvolumes cs_cluster
end-volume
#############################################
# Start pbx_data cluster
#############################################
volume pbx_local
type storage/posix
option directory /mnt/pbx_data
end-volume
volume pbx_locks
type features/locks
option mandatory-locks on # enables mandatory locking on all files
subvolumes pbx_local
end-volume
# dataspace on remote machine, look in /etc/hosts to see that
volume pbx_locks_remote
type protocol/client
option transport-type tcp
option remote-port 50003
option remote-host 192.168.1.25
option remote-subvolume pbx_locks
end-volume
# automatic file replication translator for dataspace
volume pbx_cluster_afr
type cluster/replicate
subvolumes pbx_locks pbx_locks_remote
end-volume
# the actual exported volume
volume pbx_cluster
type performance/io-threads
option thread-count 256
option cache-size 128MB
subvolumes pbx_cluster_afr
end-volume
volume pbx_cluster_server
type protocol/server
option transport-type tcp
option transport.socket.listen-port 50003
option auth.addr.pbx_locks.allow *
option auth.addr.pbx_cluster.allow *
option transport.socket.nodelay on
subvolumes pbx_cluster
end-volume
--
^C
Smart Weblications GmbH - Florian Wiessner wrote:
> Hi,
>
> Am 16.02.2010 01:58, schrieb Chad:
>> I am new to glusterfs, and this list, please let me know if I have made
>> any mistakes in posting this to the list.
>> I am not sure what your standards are.
>>
>> I came across glusterfs last week, it was super easy to set-up and test
>> and is almost exactly what I want/need.
>> I set up 2 "glusterfs servers" that serve up a mirrored raid5 disk
>> partitioned into 3 5oogb partitions to 6 clients.
>> I am using round robin DNS, but I also tried to use heartbeat and
>> ldirectord (see details below).
>> Each server has 2 NICs: 1 for the clients, the other has a cross over
>> cable connecting the 2 servers. Both NICs are 1000mbps.
>>
>> There are only 2 issues.
>> #1. When one of the servers goes down the clients hang at least for a
>> little while (more testing is needed) I am not sure if the clients can
>> recover at all.
>> #2. The read/write tests I performed came in at 1.6 when using
>> glusterfs, NFS on all the same machines came in at 11, and a direct test
>> on the data server came
>> in at 111. How do I improve the performance?
>>
>
> please share your vol-files. i don't understand why you would need loadbalancers.
>
>> ###############################################
>> My glusterfs set-up:
>> 2 supermicro dual Xeon 3.0 ghz CPUs, 8gb ram, 4 @ 750gb seagate sata
>> HDs, 3 in raid5 with 1 hot spare. (data servers)
>
> why not use raid10? same capacity, better speed..
>
>> 6 supermicro dual AMD 2.8 ghz CPUs, 4gb ram, 2 @ 250gb seagate sata HDs
>> in raid 1. (client machines)
>> glusterfs is set-up with round robin DNS to handle the load balancing of
>> the 2 data servers.
>
> afaik there is no need to setup dns rr nor loadbalancing for the gluster
> servers, glusterfs should take care of that itself. but without your volfiles i
> can't give any hints.
>
>
