Re: [Xen-devel] xl create should refuse to share block devices RW between domains

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2010-07-27 at 01:36 +0100, Jeremy Fitzhardinge wrote:
> When creating a domain, "xl create" should fail if a block device is 
> shared RW between domains, like xm create does.
> 
> I'm not sure how this would be implemented.  Search xenstore for 
> references to the device when setting up a domain?

The hotplug scripts have locking and calls to a function called 
"check_device_sharing" in them, I've been wondering why that wasn't
kicking in for xl created domains for a little while but never got to
investigating.

Ian.


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