On 13/01/2011, at 8:54 AM, Eric Blake wrote:
> On 01/12/2011 02:24 PM, Justin Clift wrote:
>> Addresses BZ # 622534:
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=622534
>> ---
>> tools/virsh.pod | 28 ++++++++++++++++++----------
>> 1 files changed, 18 insertions(+), 10 deletions(-)
<snip>
> Do we need extra text talking about rounding and/or rejection if the
> hypervisor can't support a memory limit with that small of a granularity
> (for example, Matthias recently posted patches regarding esx only having
> megabyte granularity).
Hows this for the setmem virsh text?
setmem domain-id new-allocation
Immediately change the current memory allocation for an active guest
domain. The new-allocation value is in
kilobytes, and will be rejected if the hypervisor can't support the given
memory allocation.
For vSphere/ESX, the new-allocation value must be a multiple of megabytes
(ie. 2048 for 2GB), otherwise the
hypervisor will reject it.
For Xen, you can only adjust the memory of a running domain if the domain
is paravirtualized or running
the PV balloon driver.
Note, this command only works on active guest domains. To change the
memory allocation for an inactive
guest domain, use the virsh edit command to update the XML <memory>
element.
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