[Libvirt-cim] [PATCH] Hang a default VSSD off of the VSMC to mirror the AC RASD behavior

Kaitlin Rupert kaitlin at linux.vnet.ibm.com
Fri Apr 18 16:51:10 UTC 2008


Dan Smith wrote:
> KR> Adding randomness to the name is a good one.  Someone could create
> KR> a guest with the name TEMPORARY, but if you through some
> KR> randomness in for good measure, it's unlikely that the InstanceID
> KR> will collide with the name of a guest.
> 
> In that case, their InstanceID would be "Xen:TEMPORARY" or similar, so

Oops - yes, I forgot we prefix the guest name with the virt type.

> I don't think that's a problem anyway.  However, if a client depends
> on the VSSD's InstanceID being unique for hashing or something else,
> then two template VSSDs with the same InstanceID could cause a problem.
> 

True.  I can't think of an example where this would be needed, but it's 
best to avoid a collision if possible.

-- 
Kaitlin Rupert
IBM Linux Technology Center
kaitlin at linux.vnet.ibm.com




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