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[Qemu-discuss] Using a shared LVM volume group for both virtual disks an

From: Edoardo Comar
Subject: [Qemu-discuss] Using a shared LVM volume group for both virtual disks and host filesystems
Date: Tue, 24 Sep 2013 13:43:05 +0100

I have a test environment where a single LVM volume group is used 
both as a storage pool for virtual machines' disks AND for the LVs used 
for the HOST system filesystem. 

I never use libvirt commands to start/stop/activate the pool. Only to 
create/delete volumes.
The test environment works fine. 
How suitable would be a shared VG for a production environment ?

Edoardo Comar

PS - 
This discussion seems to imply that separate VGs give more safety against 
data corruption in case of bugs ... did not point to real cases of 


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