Re: Starting save/restore for port-xen - initial questions

[Jean-Yves Migeon <jean-yves.migeon%espci.fr@localhost>]

On Tue, 11 Mar 2008 16:09:48 +0100, Manuel Bouyer 
<bouyer%antioche.eu.org@localhost>
wrote:
>> You can test at runtime with xm block-attach/detach and xm
>> network-attach/detach.
> 
> This is already working. But it's a bit different from suspend:
> with xm foo-detach, the device will dissapear on the domU side too
> (just like if you had unplugged your USB key, or PCMCIA network
> interface).
> For suspend/resume we want the devices to stay here. If after resume
> the block device instance changed, the mounted filesystems will become
> invalid (which is annoying for / :). The same goes for IP addresses and
> ethernet devices.

Hmmm, BTW, what should happen in such a scenario? End in panic() while
resuming the image, as / does not match?

I guess that resuming with an invalid IP or ethernet device is acceptable
for the guest, but what about block devices?

-- 
Jean-Yves Migeon
jean-yves.migeon%espci.fr@localhost