Hi Peter,
While playing around with memory hotplug implementation, I found that the guest XML isnt updated after a successful hotplug operation :
[root@kop2 test-libvirt]# ./bin/virsh attach-device rhel71-be /home/prerna/mem-hp.xml
Device attached successfully
[root@kop2 test-libvirt]# ./bin/virsh qemu-monitor-command rhel71-be --hmp "info memdev"
memory backend: 0
size: 1073741824
merge: true
dump: true
prealloc: false
policy: default
host nodes:
[root@kop2 test-libvirt]# ./bin/virsh edit rhel71-be
< Does not reflect an updated memory value or a separate dimm device >
I have observed this on PowerKVM.
Wondering what is a good place to observe the hot-added memory : Should this reflect as an updated value for current memory in domain XML, or should this show up as a memory device of type:
<memory model='dimm'>
<source>
<pagesize unit='KiB'>4096</pagesize>
<nodemask>1-3</nodemask>
</source>
<target>
<size unit='KiB'>524287</size>
<node>1</node>
</target>
</memory>
I would be happy to work on a patch to fix this. Pls provide me your thoughts.
Regards,
--
Prerna Saxena
Linux Technology Centre,
IBM Systems and Technology Lab,
Bangalore, India
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