Hi all,
I'm testing the memory hotplugging on devstack (ocata version).
According to the article in
I'm trying to create a virtual machine by setting <maxMemory>.
However, I've got an error message in libvirt log as below.
2017-07-20 20:33:21.175+0000: 529: error : virDomainDefCheckUnsupportedMemoryHotplug:1192 : unsupported configuration: memory hotplug tunables <maxMemory> are not supported by this hypervisor driver
virt-aa-helper: error: could not parse XML
virt-aa-helper: error: could not get VM definition
I'm using qemu hypervisor (2.8), and libvirt (2.5.0).
As I know, these qemu, libvirt versions support hotplugging memory.
Below is the xml file I used to create a virtual machine by using 'virsh create test.xml' command.
<domain type='qemu'>
<name>QEmu-fedora-i686</name>
<uuid>c7a5fdbd-cdaf-9455-926a-d65c16db1809</uuid>
<maxMemory slots='4' unit='KiB'>2097152</maxMemory>
<memory>219200</memory>
<currentMemory>219200</currentMemory>
<vcpu>2</vcpu>
<cpu>
<numa>
<cell id="0" cpus="0" memory="2097152" unit="KiB"/>
</numa>
</cpu>
<driver name="qemu" type="qcow2" cache="none"/>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='cdrom'/>
</os>
<devices>
<emulator>/usr/bin/qemu-system-ppc</emulator>
<disk type='file' device='cdrom'>
<source file='/home/user/boot.iso'/>
<target dev='hdc'/>
<readonly/>
</disk>
<disk type='file' device='disk'>
<source file='/home/user/fedora.img'/>
<target dev='hda'/>
</disk>
<interface type='network'>
<source network='default'/>
</interface>
</devices>
</domain>
Does anyone know the reason?
Thanks,
Youngbin
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