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[Xen-users] Ballooning on SLES11SP1

To: Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] Ballooning on SLES11SP1
From: James Pifer <jep@xxxxxxxxxxxxxxxx>
Date: Thu, 05 Aug 2010 12:50:53 -0400
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We have some test servers running SLES11SP1 and we've updated to the
latest kernel from Novell:

Since running the updates on these servers our xen ballooning parameters
are not working. Because of memory problems in the past we set dom0 to
2048 meg of ram in grub and set the following parameters
in /etc/xen/xend-config.sxp:
(dom0-min-mem 2048)
(enable-dom0-ballooning no)

Looks like this kernel is ignoring those parameters because I had to
turn ballooning back on before we could start any VMs. 

I was going to open a ticket with Novell, but thought I'd ask if anyone
has seen this? 

Maybe disabling ballooning is not the way to go anymore, anyone have
opinions on that? We used to run out of memory a lot, even though there
was plenty free. Disabling ballooning seemed to make things more stable
at the time. 

Any suggestions are appreciated. 


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