[Users] 3 IDE disks : Duplicate ID error

[Dan Kenigsberg]

On Fri, Nov 29, 2013 at 11:13:03AM +0100, Nicolas Ecarnot wrote:
> Hi,
> 
> Strarting from a VM with two IDE disks, I'm trying to add a third IDE disk.
> 
> I get this Duplicate ID error :
> 
> VM serv-bd-dev1 is down. Exit message: internal error process exited
> while connecting to monitor: qemu-kvm: -drive file=/rhev/data-center/5849b030-626e-47cb-ad90-3ce782d831b3/1429ffe2-4137-416c-bb38-63fd73f4bcc1/images/f9ca88d8-e29f-4b11-9aae-b9330b5f8cdf/ed91505a-a219-42af-9915-e5ffc79918f9,if=none,id=drive-ide0-1-1,format=qcow2,serial=f9ca88d8-e29f-4b11-9aae-b9330b5f8cdf,cache=none,werror=stop,rerror=stop,aio=native:
> Duplicate ID 'drive-ide0-1-1' for drive .
> 
> When disabling the second one and starting only with disk 0 et the
> new one (so start with 2 disks), it is booting well.
> 
> Is it by design?

No. It sounds like a collision between the address of your third ide
disk and the ide cdrom. Would you post vdsm.log from vmCreate command
until the reported error message? It would let us understand if the bug
is in Vdsm or Engine.

Dan.