[Openstack-operators] [openstack-dev] [nova] about resize the instance

Rambo lijie at unitedstack.com
Thu Nov 8 11:30:03 UTC 2018

When I resize the instance, the compute node report that "libvirtError: internal error: qemu unexpectedly closed the monitor: 2018-11-08T09:42:04.695681Z qemu-kvm: cannot set up guest memory 'pc.ram': Cannot allocate memory".Has anyone seen this situation?And the ram_allocation_ratio is set 3 in nova.conf.The total memory is 125G.When I use the "nova hypervisor-show server" command to show the compute node's free_ram_mb is -45G.If it is the result of excessive use of memory?
Can you give me some suggestions about this?Thank you very much.
------------------ Original ------------------
From:  "Rambo"<lijie at unitedstack.com>;
Date:  Thu, Nov 8, 2018 05:45 PM
To:  "OpenStack Developmen"<openstack-dev at lists.openstack.org>; 

Subject:  [openstack-dev]  [nova] about resize the instance

        When we resize/migrate instance, if error occurs on source compute node, the instance state can rollback to active currently.But if error occurs in "finish_resize" function on destination compute node, the instance state would not rollback to active. Is there a bug, or if anyone plans to change this?Can you tell me more about this ?Thank you very much.

Best Regards
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