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Re: [Xen-users] Do systems have to be IDENTICAL for live migration?
| To: | Xen List <xen-users@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | Re: [Xen-users] Do systems have to be IDENTICAL for live migration? |
| From: | Ravi Giri <ravi.giri@xxxxxxxxx> |
| Date: | Thu, 8 Jul 2010 14:07:05 +0530 |
| Delivery-date: | Thu, 08 Jul 2010 01:38:17 -0700 |
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On Wed, Jul 7, 2010 at 10:45 PM, James Pifer <jep@xxxxxxxxxxxxxxxx> wrote: AFAIK, Intel processors with 'FlexMigration' support allow live migration across different processor generations > Server1 (x16) > model name : Intel(R) Xeon(R) CPU E5540 @ 2.53GHz Xeon 5500 series (this is obviously the G6 system) has FlexMigration > Server2 (x8) > model name : Intel(R) Xeon(R) CPU E5420 @ 2.50GHz Xeon 5400 series (this is obviously the G5 system) does not have FlexMigration That's why you're able to livemigrate from G5 to G6 and not the other way. FlexMigration essentially allows live migration across processors even with some differences in instruction sets. This is specific to the processor though, there may be other dependencies with respect to the rest of the server platform that could cause livemigration between two dislike systems to fail. Regards, -- Ravi _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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