Proxmox系统安装后，日志报错
rrdcached[4513]: handle_request_update: Could not read RRD file.
pmxcfs[4527]: [status] notice: RRDC update error /var/lib/rrdcached/db/pve2-vm/85235: -1
pmxcfs[4527]: [status] notice: RRD update error /var/lib/rrdcached/db/pve2-vm/85235: mmaping file '/var/lib/rrdcached/db/pve2-vm/85235': Invalid argument
修复命令
$ rm -r /var/lib/rrdcached/db
$ systemctl restart rrdcached.service