Re: [Xen-users] RHEL 5.2 Xen Kernel doesn't detect all amountofphysical memory

[tom.ashley@xxxxxxxxx]

Bog standard out of the box, I have a 64 bit centos 5.2 holding and recognising 
64GB RAM happily. RHEL should be able to do the same.
Sent using BlackBerry® from Orange

-----Original Message-----
From: "Robert Dunkley" <Robert@xxxxxxxxx>

Date: Thu, 28 Aug 2008 10:07:33 
To: Ido Levy<IDOL@xxxxxxxxxx>
Cc: <Xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] RHEL 5.2 Xen Kernel doesn't detect all amount
        ofphysical memory


>From what I have read the XenServer distribution can support up to 32GB
RAM per VM and 128GB for the whole system. 

My guess is that unless a deliberate restriction is put in place the
limits RAM for RHEL5 Xen kernel then 256Gb RAM in total and 32Gb RAM per
VM is probably the max. 

Anyone know for sure?

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ido Levy
Sent: 28 August 2008 09:54
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] RHEL 5.2 Xen Kernel doesn't detect all amount
ofphysical memory


Hello All,

Does anyone know what is the current status of RHEL 5.2 x86_64 with
respect
to the maximum amount of RAM detected by the Xen 64 bit kernel
(the one that shipped with Red Hat distribution )

In the following link
https://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/en-US/RHEL5
10/Virtualization_Guide/ch-virt-hw-support.html
it states that 32GB of RAM is the maximum amount of physical memory the
Xen
kernel can detect. Is it still the updated status ?

Is there a work around or any other way to overcome this limit ?

Any info would be appreciated

Thanks,

Ido


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