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Re: [Xen-users] DomU Maximum Memory Limit


  • To: xen-users@xxxxxxxxxxxxx
  • From: "Austin S. Hemmelgarn" <ahferroin7@xxxxxxxxx>
  • Date: Thu, 27 Oct 2016 13:34:27 -0400
  • Delivery-date: Thu, 27 Oct 2016 17:36:04 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

On 2016-10-27 12:42, Konstantin wrote:
Hi,

Do you know what is the current maximum memory limit for DomU machines?
We have a server with 192 cores, 6TB of RAM and we would like to host
one DomU with at least 4TB of RAM. Is it possible with current Xen version?
Thank you.

As of 4.7, you're capped at 1TB for a HVM domain, and some undefined value above that for PV domains. Prior to 4.7, the cap for HVM domains is also 1TB, but the PV domain cap is 512GB.

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