[libvirt-users] Fwd: Hotadd memory and hotplug cpu

ra va rvk1976 at gmail.com
Wed Oct 15 15:31:57 UTC 2014


Does KVM support hotadd memory and hot-plug cpu?

I checked it using the virsh command but I can only increase the memory to
the maximum memory that is initially  set

But setmaxmem command is failing. Which means this require a reboot of the

# virsh setmaxmem 4 1048576
error: Unable to change MaxMemorySize
error: Requested operation is not valid: cannot resize the maximum memory
on an active domain

#virsh setvcpus 4 4
error: internal error: unable to execute QEMU command 'cpu-add': Not

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