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From Pranav Saxena <>
Subject RE: source pool conflict
Date Thu, 30 Aug 2012 04:08:47 GMT
Hi ,

When  you create ( an account)  your first user VM , a router VM comes up too which is named
like r-4-VM. That is why you see two VM's listed when you run virsh list command  on the hypervisor.
 Regarding the libvirt error , it seems the libvert version 0.9.12 storage driver  doesn't
support duplicate underlying storage.
I am not sure if it is supported for the later versions . You'll have to check that out (
) .


-----Original Message-----
From: Gautam Sampathkumar [] 
Sent: Thursday, August 30, 2012 3:48 AM
Subject: source pool conflict

Hi Everyone,
             I'm running into a libvirt error on trying to instantiate a second user VM. The
first VM gets instantiated successfully, although for some reason I see 2 VMs started up when
I run 'virsh list' on the hypervisor, one with the name r-4-VM and the other with the name

Running Cloudstack 3.0.2 release versions on both my hypervisor (centos
6.3) and my management server (ubuntu 10.04).
libvirt 0.9.12
libvirt-java 0.4.8

The error I see in the libvirt logs :
 error : virStoragePoolSourceFindDuplicate:1748 : operation failed: Storage source conflict
with pool: '85b9025f-b559-47e1-b02c-17aea4b95822'

Any guidance would be appreciated.


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