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Re: [Gluster-devel] GlusterFS 1.3.0-pre2.3: AFR not working


From: Gerry Reno
Subject: Re: [Gluster-devel] GlusterFS 1.3.0-pre2.3: AFR not working
Date: Wed, 04 Apr 2007 09:30:50 -0400
User-agent: Thunderbird 1.5.0.10 (X11/20070302)

Avati,
Yes, of course, it works. So it is similar to DRBD where you must only interact via the exposed mounts and never directly to the underlying subsystem.

Gerry


Anand Avati wrote:
Gerry,
you have to touch via /mnt/glusterfs, not in the backend directly!

avati


On Tue, Apr 03, 2007 at 04:50:22PM -0400, Gerry Reno wrote:
I have not been successful at getting GlusterFS with AFR translator working on 2 bricks:

=====================
test-server0.vol
=====================
volume brick
 type storage/posix                   # POSIX FS translator
 option directory /root/export0        # Export this directory
end-volume

  ### Add network serving capability to above brick.
volume server
 type protocol/server
 option transport-type tcp/server     # For TCP/IP transport
 option listen-port 6996              # Default is 6996
 subvolumes brick
 option auth.ip.brick.allow  *  # Allow full access to "brick" volume
end-volume

=====================
test-server1.vol
=====================
volume brick
 type storage/posix                   # POSIX FS translator
 option directory /root/export1        # Export this directory
end-volume

  ### Add network serving capability to above brick.
volume server
 type protocol/server
 option transport-type tcp/server     # For TCP/IP transport
 option listen-port 6997              # Default is 6996
 subvolumes brick
 option auth.ip.brick.allow  *  # Allow full access to "brick" volume
end-volume

=====================
test-client.vol
=====================
  ### Add client feature and declare local subvolume
volume client1-local
 type    storage/posix
 option  directory         /root/export0
end-volume

volume client2-local
 type    storage/posix
 option  directory         /root/export1
end-volume

  ### Add client feature and attach to remote subvolume
volume client1
 type    protocol/client
 option  transport-type    tcp/client     # for TCP/IP transport
 option  remote-host       192.168.1.25   # IP address of the remote brick
 option  remote-port       6996           # default server port is 6996
 option  remote-subvolume  brick          # name of the remote volume
end-volume

volume client2
 type    protocol/client
 option  transport-type    tcp/client
 option  remote-host       192.168.1.25
 option  remote-port       6997
 option  remote-subvolume  brick
end-volume

  ### Add automatice file replication (AFR) feature
volume afr
 type  cluster/afr
 subvolumes  client1 client2
 option  replicate *:2
end-volume

=====================
Servers are started like this:
glusterfsd --spec-file=/usr/local/etc/glusterfs/test-server0.vol
glusterfsd --spec-file=/usr/local/etc/glusterfs/test-server1.vol

Client is started like this:
glusterfs --spec-file=./test-client.vol /mnt/glusterfs/
=====================

address@hidden glusterfs]# touch /root/export0/file1
wait...
address@hidden glusterfs]# find /root/export*
/root/export0
/root/export0/file1
/root/export1

=====================
I do not see any replication.
What am I missing?





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