Hi,
I can't succeed adding two new replicated bricks in my volume.
I do have a replicated volume on two servers. I created it with the
following commands :
root@glusterfs1:/var/log# gluster peer probe 192.168.1.31
Probe successful
root@glusterfs1:~# gluster volume create test-volume replica 2
transport tcp 192.168.1.30:/sharedspace 192.168.1.31:/sharedspace
Creation of volume test-volume has been successful. Please start the
volume to access data.
root@glusterfs1:~# gluster volume start test-volume
root@glusterfs1:~# gluster volume info
Volume Name: test-volume
Type: Replicate
Status: Started
Number of Bricks: 2
Transport-type: tcp
Bricks:
Brick1: 192.168.1.30:/sharedspace
Brick2: 192.168.1.31:/sharedspace
Ok now from a client :
client~# mount -t glusterfs 192.168.1.30:test-volume
/distributed-volume
client~# echo "hello" > /distributed-volume/foo
Foo is well replicated across the two bricks :
root@glusterfs1:~# ll /sharedspace/
total 28
-rw-r--r-- 1 root root 26 1 juil. 10:29 foo
drwx------ 2 root root 16384 11 janv. 12:18 lost+found
root@glusterfs2:~# ll /sharedspace/
total 28
-rw-r--r-- 1 root root 26 1 juil. 10:29 foo
drwx------ 2 root root 16384 11 janv. 12:18 lost+found
That's perfect... until I try to add two new bricks :
root@glusterfs1:~# gluster peer probe 192.168.1.32
Probe successful
root@glusterfs1:~# gluster peer probe 192.168.1.33
Probe successful
root@glusterfs1:~# gluster volume add-brick test-volume
192.168.1.32:/sharedspace 192.168.1.33:/sharedspace
Add Brick successful
root@glusterfs1:~# gluster volume info
Volume Name: test-volume
Type: Distributed-Replicate
Status: Started
Number of Bricks: 2 x 2 = 4
Transport-type: tcp
Bricks:
Brick1: 192.168.1.30:/sharedspace
Brick2: 192.168.1.31:/sharedspace
Brick3: 192.168.1.32:/sharedspace
Brick4: 192.168.1.33:/sharedspace
root@glusterfs1:~# gluster volume rebalance test-volume start
starting rebalance on volume test-volume has been successful
root@glusterfs1:~# gluster volume rebalance test-volume status
rebalance completed
Ok, so If I'm correct, data on Brick1 and Brick2 should be now also
available from Brick3 and Brick4. But that's not the case :
root@glusterfs3:~# ll /sharedspace/
total 20
drwx------ 2 root root 16384 11 janv. 12:18 lost+found
root@glusterfs4:~# ll /sharedspace/
total 20
drwx------ 2 root root 16384 11 janv. 12:18 lost+found
I'm using Debian Sid with Glusterfs 3.2.1 from official Debian
repository. Am I wrong somewhere ?
Regards,
Carl Chenet
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