Meaning of active ghost running - multipath ( iscsi lun)
What is the meaning of 'active ghost running'
# iscsiadm --mode node
10.51.15.186:3260,2 iqn.1992-08.com.netapp:5481.60080e5000323cec00000000529cb60b
10.51.15.183:3260,1 iqn.1992-08.com.netapp:5481.60080e5000323cec00000000529cb60b
10.51.15.185:3260,2 iqn.1992-08.com.netapp:5481.60080e5000323cec00000000529cb60b
10.51.15.184:3260,1 iqn.1992-08.com.netapp:5481.60080e5000323cec00000000529cb60b
# multipath -ll
mpathc (360080e5000323cec0000008352d2e221) dm-13 LSI,INF-01-00
size=2.2T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| |- 4:0:0:2 sdj 8:144 active ready running
| `- 6:0:0:2 sdg 8:96 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
|- 5:0:0:2 sdf 8:80 active ghost running
`- 7:0:0:2 sdi 8:128 active ghost running
mpathb (360080e5000323f980000009552d2e173) dm-14 LSI,INF-01-00
size=2.2T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| |- 7:0:0:1 sde 8:64 active ready running
| `- 5:0:0:1 sdc 8:32 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
|- 4:0:0:1 sdh 8:112 active ghost running
`- 6:0:0:1 sdd 8:48 active ghost running
|