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Re: [Xen-users] CPU Prerequisites for Live Migrations

To: "Hoot, Joseph" <joe.hoot@xxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>

Date: Thu, 21 Oct 2010 08:41:15 +0800

Cc:

Delivery-date: Wed, 20 Oct 2010 17:42:50 -0700

List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi Hoot

Just cat /proc/cpuinfo to find pae and vmx flags for Intel CPU, if you use the AMD CPU please to find pae and svm flags, However, the most modern processor all support it.

Xudong

2010-10-21

xudongxen

发件人： Hoot, Joseph

发送时间： 2010-10-20 23:39:42

收件人： xen-users@xxxxxxxxxxxxxxxxxxx

抄送：

主题： [Xen-users] CPU Prerequisites for Live Migrations

Hi all,

I'm trying to find documentation to describe what specific CPU flags, models, families requirements are needed for live migrations to be "supported." I have found mailing list archives which tend to say things like "should" work or "may" work, but nothing that says "is supported." or "is certified."

Basically what I'm wondering is that if I have (2) quad-core cpu's on one server and (2) quad-core cpu's on another server -- both have the same family and stepping and exact same flags. The only difference is that the model is different. Is that something that the xen hypervisor typically will support when it comes to live migration?

Thanks,

Joe

===========================

Joseph R. Hoot

Lead System Programmer/Analyst

(w) 716-878-4832

joe.hoot@xxxxxxxxxxxxx

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