Am 02.09.2011 17:35, schrieb Markus Armbruster:
> Kevin Wolf <kw...@redhat.com> writes:
> 
>> Am 03.08.2011 15:08, schrieb Markus Armbruster:
>>> Breaks migration of qdevs "scsi-cd" and legacy "scsi-disk" to older
>>> versions.  We normally use subsections to avoid that.  Not possible
>>> here, because we don't have a section to begin with.  Too bad.
>>>
>>> Signed-off-by: Markus Armbruster <arm...@redhat.com>
>>
>> A more logical approach would be to add migration support to SCSI first.
> 
> Isn't that what I do?
> 
>> I guess adding .unmigratable = 1 makes more sense at the moment.
> 
> Why?

Hm, you mean that we can successfully migrate SCSI today?

SCSIDiskState doesn't seem to directly have anything variable that must
be migrated. I think SCSIDevice does have fields that need to be
migrated (unit_attention, sense and the request list). I'm not sure what
other state scsi-bus involves, but unless the SCSI controllers can
restore all of it, it should have a VMState, too.

Kevin

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