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Re: [Xen-API] CentOS 6.X balloon issue [ XCP 1.5 / CentOS6 Bug ]


  • To: xen-api@xxxxxxxxxxxxx
  • From: George Shuklin <george.shuklin@xxxxxxxxx>
  • Date: Sun, 25 Mar 2012 16:05:18 +0400
  • Delivery-date: Sun, 25 Mar 2012 12:05:02 +0000
  • List-id: Discussion of API issues surrounding Xen <xen-api.lists.xen.org>

Heh, I've reported that stuff many times, until it was fixed in recent kernels (about 3.1 or 3.2).

No luck for 2.6.32. All older pv_ops kernels do have that issue with XCP toolstack. Use -xen kernels (like 2.6.18-xen, or forward ported from suse f.e. 2.6.34-xen, 2.6.37-xen, 3.1-xen and so on).



On 24.03.2012 17:06, R J wrote:
Hello List,

On XCP1.5 ballooning of CentOS6.X does not work correctly.
The DomU can be ballooned up only till its start_target_mem and seems to disobey the static max.

For e.g If I start a CentOS6 DomU with 4GB RAM then ballooning works fine between 256MB to 4GB but it cant go beyond 4GB though it has static max as 16GB.

I can confirm same issue on XCP1.1, so it might be something only with CentOS6.

- RJ


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