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[Xen-users] GPL Xen vs XenSource? Supported memory amounts on 64bit?

To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] GPL Xen vs XenSource? Supported memory amounts on 64bit?
From: Thomas Harold <tgh@xxxxxxxxxxxx>
Date: Wed, 14 May 2008 07:40:11 -0400
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What is the maximum physical memory supported by the GPL Xen version? I'm only concerned with 64bit machines (64bit Dom0). Are there simply no programmed limits on the GPL Xen included in distros like RHEL?

I know that for XenSource v4 by Citrix, the limits are:

Express Edition
4GB RAM physical, 2 CPU sockets, 4GB RAM per VM, max of 4 active VMs

Standard Edition
128GB physical RAM, unlimited CPU sockets, 32GB RAM per VM, unlimited
active VMs

Enterprise Edition
128GB physical RAM, unlimited CPU sockets, 32GB RAM per VM, unlimited
active VMs,

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