Proxmox unable to open file – Input/output error 解決方式

root@pm1# qm unlock 113
unable to open file '/etc/pve/nodes/pm1/qemu-server/113.conf.tmp.250990' - Input/output error
root@pm1# /etc/init.d/pve-cluster restart
Restarting pve cluster filesystem: pve-cluster.
root@pm1# qm unlock 113
root@pm1#

解法:

/etc/init.d/pve-cluster restart