Instance evacuation fails with qemu error ' Failed to get "write" lock Is another process using the image? '
Issue
- Instance evacuation fails for
InstanceHA
compute nodes with NFS backend. - Failures are noticed for both
nova
andcinder
with NFS backend. -
An excerpt of the error message logged in
nova-compute
logs.2019-09-03 13:47:17.788 1 ERROR oslo_messaging.obfuscateduser22.server 2019-09-03T13:47:16.086331Z obfuscateduser28-kvm: -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1,write-cache=on: Failed to get "write" lock 2019-09-03 13:47:17.788 1 ERROR oslo_messaging.obfuscateduser22.server Is another process using the image?
Environment
- Red Hat OpenStack Platform 13
InstanceHA
Compute NodesNFSv4
and above as backend for nova and cinder.
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