Re: [Xen-devel] xend deprecation

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Wed, Sep 4, 2013 at 4:34 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Wed, 2013-09-04 at 16:18 +0100, George Dunlap wrote:
>> On Wed, Sep 4, 2013 at 3:04 PM, Konrad Rzeszutek Wilk
>> <konrad.wilk@xxxxxxxxxx> wrote:
>> > On Wed, Sep 04, 2013 at 08:29:07AM +0100, Ian Campbell wrote:
>> >> On Tue, 2013-09-03 at 23:06 -0700, Matt Wilson wrote:
>> >> > On Tue, Sep 03, 2013 at 09:03:46AM +0100, Ian Campbell wrote:
>> >> > > On Mon, 2013-09-02 at 13:32 -0700, Matt Wilson wrote:
>> >> > > > Live migration between a system running xend to a system that 
>> >> > > > doesn't
>> >> > > > support xend would be a nice-to-have. That probably means some 
>> >> > > > support
>> >> > > > for SXP parsing either in libxl or in some compatibility tool.
>> >> > >
>> >> > > This already works by using xl on the source side, e.g. a guest 
>> >> > > started
>> >> > > with xend on 4.1 can be migrated with 4.1's xl to 4.2.
>> >> > >
>> >> > > http://lists.xen.org/archives/html/xen-devel/2012-08/msg02191.html
>> >> >
>> >> > xl doesn't run everywhere that we need it to.
>> >>
>> >> Details please, or we aren't going to be able to even think about how to
>> >> solve this for you.
>> >>
>> >> BTW You can also do a xend migration to e.g. 4.2 (using the xend whichis
>> >> in 4.2) and the use 4.2's xl to do a localhost migrate or a second
>> >> remote migrate to another 4.2 system.
>> >>
>> >> xend's deprecation has been on the cards, and widely known, for several
>> >> releases now. It is time to quit stalling and start moving. I intend to
>> >> post a patch deleting it as soon as 4.4 is out the door.
>> >
>> > And I think I might have to lobby hard against removing it.
>
> If by lobby you mean "step up to maintain" then please do.
>
>> > There are issues that are stopping us from using it:
>> >
>> >  - No status in xl list -l when only dom0 is present.
>
> xl list -l produces a tonne of output here when only dom0 is present.

FWIW:

# xl list -l
[

]

This is from c/s 0c006b41a283a0a569c863d44abde5aa5750ae01, dated August 13.

  -George

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