Re: [Xen-devel] BUG - 'xl restore' does not overwrite HVM

[Wei Liu <wei.liu2@xxxxxxxxxx>]

(Add back xen-devel)

Hello Peter

Please don't top-post.

On Tue, Apr 10, 2018 at 08:52:10AM +0000, Peter McLaren wrote:
> Hi Wei
> I would like the restore command to return the HVM to the exact state it was 
> at when the save command was performed.
> Thanks
> Peter

I think what you need is disk snapshot -- because you want your disk to
return to its previous state.

I don't think xen 4.4 supports that. IIRC even the latest version of Xen
doesn't have disk snapshot support. You will have to manually snapshot
your disk (like using lvm snapshot).

Wei.

> 
> Get Outlook for Android<https://aka.ms/ghei36>
> 
> ________________________________
> From: Wei Liu <wei.liu2@xxxxxxxxxx>
> Sent: Tuesday, April 10, 2018 6:44:26 PM
> To: Peter McLaren
> Cc: xen-devel@xxxxxxxxxxxxx; Wei Liu
> Subject: Re: [Xen-devel] BUG - 'xl restore' does not overwrite HVM
> 
> On Tue, Apr 10, 2018 at 06:07:12AM +0000, Peter McLaren wrote:
> > Hi
> > with at least 1 version of Windows 10 (build 16299), the 'xl restore' 
> > command does not overwrite the previously running HVM. The symptoms are:
> > 1) the restore appears to rapidly complete after approx 50% of the time
> > 2)  files created after the save in the running HVM are present after the 
> > restore
> > 3) the Windows system tries to recover.
> >
> > I have tried restoring both with a shutdown of the Windows system or a 
> > destroy. In both cases the results are the same.
> >
> > I have listed some relevant info below. Any help would be appreciated.
> 
> What do you mean by "overwrite HVM"? What do you want to achieve?
> 
> Wei.

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