[Xen-users] Re: XCP iscsi storage pool problem

[Mike Galvez <late2werk@xxxxxxxxx>]

On Tue, Sep 20, 2011 at 5:54 PM, Mike Galvez <late2werk@xxxxxxxxx> wrote:

I have two identical host machines running XCP 1.1 beta. I also have an 8TB iscsi storage SAN 

that I'm using as pooled storage. I had created five VMs on one the hosts using the iscsi unit as 

storage. I created a pool, then added the second host machine. The second host was added to 

the pool, but the pdb connections to the NFS ISO Repository and the iscsi storage were broken 

on host #2. I was able to replug the iscsi pdb, but now none of the VMs can start because many 

of the VBDs have lost their VDI uuids.

[root@vhost1 ~]# xe vbd-list vm-uuid=2543464c-24fe-3b2d-0281-bb978cfe647b

uuid ( RO)             : de8fcc63-b72d-7e07-4602-2f6c4af19305

          vm-uuid ( RO): 2543464c-24fe-3b2d-0281-bb978cfe647b

    vm-name-label ( RO): imagex

         vdi-uuid ( RO): 7dd13d7a-0608-40ec-8637-34849c7adddb

            empty ( RO): false

           device ( RO): hdc

uuid ( RO)             : a701764a-bc8d-1545-4957-d01898e6cad8

          vm-uuid ( RO): 2543464c-24fe-3b2d-0281-bb978cfe647b

    vm-name-label ( RO): imagex

         vdi-uuid ( RO): <not in database>

            empty ( RO): true

           device ( RO): hdd

Any helpful advise on reacquainting the VMs with their VDIs is appreciated. 

Thanks    -Mike

I was able to get one of my VMs back by creating a new vbd and reconnecting its vdi, 

but that was because I recognized the size of disk. I have several other VDIs that I 

need to reattach with a VM, but the sizes are the same and there's no other info besides

 uuid. Is there a way to scan the contents of a vdi? If I could do that, I'd be able to clean 

this up.  

Thanks

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