每次删除 LVM 快照时,我都会收到 Munin 警告:
Disk latency per device :: Average latency for /dev/vg/lv_mysql_snapshot
UNKNOWNs: Read IO Wait time is unknown, Write IO Wait time is unknown.
Disk latency per device :: Average latency for /dev/mapper/vg-lv_mysql-real
UNKNOWNs: Read IO Wait time is unknown, Write IO Wait time is unknown.
Disk latency per device :: Average latency for /dev/mapper/vg-lv_mysql_snapshot-cow
UNKNOWNs: Read IO Wait time is unknown, Write IO Wait time is unknown.
有什么方法可以忽略 munin 中的 LVM 分区通知?谢谢。