Policies


multipath(8) flushes dead and faulty paths


# multipath -l
iet_lun0 (149455400000000000000000000000000d00600000b000000)
[size=67 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [enabled]
 \_ 15:0:0:1 sdb 8:16  [active]
 \_ 16:0:0:1 sdd 8:48  [active]
 \_ 17:0:0:1 sdh 8:112 [active]
 \_ #:#:#:#  -   8:144 [active]
# multipath
reload:iet_lun0 (149455400000000000000000000000000d00600000b000000)
[size=67 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [enabled]
 \_ 15:0:0:1 sdb 8:16  [active]
 \_ 16:0:0:1 sdd 8:48  [active]
 \_ 17:0:0:1 sdh 8:112 [active]

...

# multipath -ll
iet_lun0 (149455400000000000000000000000000d00600000b000000)
[size=67 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [enabled]
 \_ 15:0:0:1 sdb 8:16  [active][ready]
 \_ 16:0:0:1 sdd 8:48  [active][ready]
 \_ 17:0:0:1 sdh 8:112 [active][ready]
 \_ 18:0:0:0 sdj  8:144 [active][faulty]
# multipath
reload:iet_lun0 (149455400000000000000000000000000d00600000b000000)
[size=67 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [enabled]
 \_ 15:0:0:1 sdb 8:16  [active]
 \_ 16:0:0:1 sdd 8:48  [active]
 \_ 17:0:0:1 sdh 8:112 [active]



multipath(8) tries to flush dead maps


# multipath -l
iet_lun0 (149455400000000000000000000000000d00600000b000000)
[size=67 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [enabled]
 \_ #:#:#:#  -   8:16  [active]
 \_ #:#:#:#  -   8:48  [active]
 \_ #:#:#:#  -   8:112 [active]
 \_ #:#:#:#  -   8:144 [active]
# multipath
remove:iet_lun0 (dead)