GitHub user GerorgeEG added a comment to the discussion: ACS is not able to
restart VM during HA process
Hi @shwstppr yes capacity is there and we are using storage tags to place VM on
correct storage type but we figured out something else.
VM's which were down due to host failure were not able get powered on even by
admin on another hosts in same cluster. We did some more log analysis and find
out it an issue with storage lock.
org.libvirt.LibvirtException: internal error: process exited while connecting
to monitor: 2025-02-22T06:42:45.557175Z qemu-kvm: -blockdev
{"node-name":"libvirt-3-format","read-only":false,"cache":{"direct":true,"no-flush":false},"driver":"qcow2","file":"libvirt-3-storage","backing":"libvirt-4-format"}:
**Failed to get "write" lock.**
We remounted the NFS share with below options and then HA start working as
expected.
NFS mount options
**rw,vers=3,sync,hard,_netdev,nolock**
Now can you please help as we are not sure the if we should continue with lock
option or is there anything else. Looking forward for suggestions with best
approach.
GitHub link:
https://github.com/apache/cloudstack/discussions/10690#discussioncomment-12789040
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