[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] xend deprecation
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. There are issues that are stopping us from using it: - No status in xl list -l when only dom0 is present. - 'xl list -l' says 'Domain name must be specified' even though the '-l' is for 'Output all VM details' - xl list -l for PV guest has bug: itâs not formated S-expression text. - No console in xl list -l, so can't get tty console port. - xl uses SSH for migration. We need SSL daemon or socat like xend has. Those should be fixed at some point :-) Problem is that other things keep on popping up on the radar and hence we end up using xend. CC-ing Zhigang here as he might have a more up-to-date list. I think there were some statistics too, but I can't recall. > > Of course you are also free to pick up xend maintenance if you really > want to keep it alive. We could for example move it out of tree. And by > "We" I mean "You and those others who are interested in continuing with > xend". Hahahah. I think we all want to move away but there are things that are stopping us and we would like them to magically get fixed. And I also want a pony. With a barrel of guinness attached to it. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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