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[Gluster-devel] Gluster failover question

From: Scott Whitney
Subject: [Gluster-devel] Gluster failover question
Date: Thu, 20 May 2010 16:11:34 -0500 (CDT)

We're moving to an HA solution in my SaaS environment, and I'm looking at using 
Gluster 2.09 (32 bit hardware) and CentOS 5.5. 

This is up and running as such: 
gluster1 -- data server 
gluster2 -- data server 
app1 -- app server (mounts the glusterfs in /home) 
app2 -- app server (ditto) 

Here's my question. 

Test 1: 
create /home/foo and add 10 files on app1 
ls /home/foo on app2 -- I see them 
ls /data/export/foo on gluster1/gluster2 -- I see them 

rm -rf /home/foo on app2 
ls on the other 3. The directory is gone 

create /home/foo and add 5 files on app1 
shutdown gluster2 
add 5 more files 
startup gluster2 
ls /data/export/foo on app1/app2/gluster1 -- I see 10 files 
ls /data/export/foo on gluster2 -- I see only the 5 files created when the 
server was up. 

How is the failover/replication supposed to work in the situation that one of 
the backend RAID1 servers goes down? 

config files attached 

Attachment: gluster1.txt
Description: Text document

Attachment: gluster2.txt
Description: Text document

Attachment: client.txt
Description: Text document

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