multipath -ll輸出結果中的三個狀态列的解釋

multipath -ll輸出結果中的三個狀态列的解釋:

注意,該多路徑配置采用的是multibus方式,不是failover方式.

[[email protected] rules.d]# multipath -ll
h1pcie (3600140585ee9c1e02d14ef58538c7b52) dm-8 LIO-ORG ,pcie           
size=745G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 44:0:0:2 sdp 8:240     active     ready      running
  `- 45:0:0:2 sds 65:32     failed     faulty     running---------------------->>>拔掉第一個存儲節點的其中一個IB線纜之後的狀态
                          dm status
                                     path status
                                                  online_status:A status of offline means that this SCSI device has been disabled.
參考自:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html-single/DM_Multipath/index.html#MPIO_output
5.8. Multipath Command Output章節.