Proxmox CT無法備份
CT備份若出現下列訊息: ... INFO: tar: /mnt/pve/NAS/dump/vzdump-lxc-248-2025_04_21-16_05_17.tmp: Cannot open: Permission denied INFO: tar: Error is not recoverable: exiting now INFO: cleanup temporary 'vzdump' snapshot ERROR: Backup of VM 248 failed - command 'set -o pipefail && lxc-usernsexec -m u:0:100000:65536 -m g:0:100000:65536 -- tar cpf - --totals --one-file-system -p --sparse --numeric-owner --acls --xattrs '--xattrs-include=user.*' '--xattrs-include=security.capability' '--warning=no-file-ignored' '--warning=no-xattr-write' --one-file-system '--warning=no-file-ignored' '--directory=/mnt/pve/NAS/dump/vzdump-lxc-248-2025_04_21-16_05_17.tmp' ./etc/vzdump/pct.conf ./etc/vzdump/pct.fw '--directory=/mnt/vzsnap0' --no-anchored '--exclude=lost+found' --anchored '--exclude=./tmp/?*' '--exclude=./var/tmp/?*' '--exclude=./var/run/?*.pid' ./ | zstd '--threads=1' >/mnt/pve/NAS/dump/...