[Gluster-users] Gluster 3.1.4 - Replica out-of-sync

[Pranith Kumar. Karampuri]

Looks like the bug 2500 http://bugs.gluster.com/show_bug.cgi?id=2500. 

The fix is not available in 3.1.4 its available in future versions.

Pranith.
----- Original Message -----
From: "Jorge Pascual" <jordy.pascual at gmail.com>
To: gluster-users at gluster.org
Sent: Tuesday, April 19, 2011 4:38:49 PM
Subject: [Gluster-users] Gluster 3.1.4 - Replica out-of-sync



Hi Guys! 


I'm trying this amazing tool and my conclusion is that It's the best open source approach to elastic storage that I've seen. 


However, I have a problem with the sync of the replica. 


I've set-up a configuration with 2 servers / 2 bricks / one disk each one in replica 2 and one native client. 


When all servers are up and running, the system works like a charm. I shutdown one machine (Brick2) and do 2 operations in the client side: 


a) Create a new file 
b) Modify an old file (very small... only 7 bytes) 


The new file is created on the server side (Brick1) and the modified one it's also correct on the server side (Brick1). 
I start the Brick2 and trigger a self-heal. In the client I do that: 
find /opt/shared -print0 | xargs --null stat >/dev/null 


I look what has happened in the server side (Brick2) and see that: 


a) The new file is created in Brick2 <-- that's right! 
b) The old file continues with the old content. It hasn't synced <--- that's bad! 


So, I have the modified archive that is ok in client and Brick1 but it's out of sync in Brick2. 


Anyone knows what could it be happening? 


The servers set-up is: 



gluster> volume create myvol replica 2 transport tcp 192.168.1.136:/opt/storage1 192.168.1.134:/opt/storage1 
gluster> volume set myvol auth.allow 192.168.1.* 
gluster> volume start myvol 
gluster> volume info myvol 

Volume Name: myvol 
Type: Replicate 
Status: Started 
Number of Bricks: 2 
Transport-type: tcp 
Bricks: 
Brick1: 192.168.1.136:/opt/storage1 
Brick2: 192.168.1.134:/opt/storage1 
Options Reconfigured: 
auth.allow: 192.168.1.* 


The client set-up is: 
mount -t glusterfs 192.168.1.136:/myvol /opt/shared 


Regards!! 


Jorge 
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