[Linux-cluster] Thin (sparse) provisioning

[Phil Daws]

any help of this would be gratefully appreciated.

Thanks.
----- Original Message ----- 
From: "Phil Daws" <uxbod at splatnix.net> 
To: Linux-cluster at redhat.com 
Sent: Monday, 19 November, 2012 9:58:54 PM 
Subject: [Linux-cluster] Thin (sparse) provisioning 

Hello: 

am learning about clustering with DRBD and GFS2 and have a question about thin provisioning. I would like to set up a number of individual vservers that reside on their own LVs which can then be shared between two nodes and flipped backwards and forwards using Pacemaker. When setting up the block/lvm device for DRBD I have used: 

lvcreate --virtualsize 1T --size 10G --name vserver01 vg1 

once that has been added as a resource would I perform a standard mkfs.gfs2 or do I need to specify any further options; I was thinking something like: 

mkfs.gfs2 -t vservercluster:vservers -p lock_dlm -j 2 /dev/vservermirror/vserver01 

Is that the way I should be doing it ? 

Thanks. 

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