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[Xen-devel] Re: backend block driver and domain migration blackout time
| To: | "Guzovsky, Eduard" <Eduard.Guzovsky@xxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: backend block driver and domain migration blackout time |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Tue, 26 Aug 2008 17:56:52 +0100 |
| Cc: | "Murray, Kimball" <Kimball.Murray@xxxxxxxxxxx> |
| Delivery-date: | Tue, 26 Aug 2008 09:57:17 -0700 |
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| Thread-index: | AckHCehhJ5qe6FEnR7aefGED8vNm6wAQI8W5ABKZhNAAAffPRQ== |
| Thread-topic: | backend block driver and domain migration blackout time |
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On 26/8/08 17:36, "Guzovsky, Eduard" <Eduard.Guzovsky@xxxxxxxxxxx> wrote: > dominfo._releaseDevices(force = True) > wait_for_outstanding_vbd_io_complete() # "shutdown-done" in xenstore > unleash_the_target() > > just before the current > > dominfo.destroyDomain() > dominfo.testDeviceComplete() > > The complete xend patch is below. Works fine in our testing but is this > a safe thing to do? As long as domain's execution is quiesced (which it obviously is since it will have responded to the suspend request and the state record has been propagated to the target machine) and I/O is quiesced (well, block I/O at least) then yes, it should logically be safe. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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