Re: [Xen-devel] status of non-live migration of HVM with libvirt

[Olaf Hering <olaf@xxxxxxxxx>]

Am Fri, 4 Jan 2019 17:48:31 +0100
schrieb Olaf Hering <olaf@xxxxxxxxx>:

> Am Fri, 4 Jan 2019 16:57:55 +0100
> schrieb Olaf Hering <olaf@xxxxxxxxx>:
> 
> > worth keeping (and fixing) the concept of an "offline migration"  
> 
> And regarding the fix, it looks like qmp_xen_save_devices_state does not need 
> the concept of "live". Just shutdown the blockdevices and be done with it?

Anthony, it looks like 5d6c599fe1 ("migration, xen: Fix block image lock issue 
on live migration") went too far. Why does stopping the disks at the very end 
of the save/migrate process depend on "live"? During a migration the disks have 
to be released either way. During "xl save" the domU may continue to run, if 
'-c' was specified. 

It seems the 'live' parameter for xen-save-devices-state is not needed.

Olaf

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