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分类: 服务器与存储

2012-02-28 17:29:10

  1. Specifies the default path grouping policy to apply to unspecified multipaths. Possible values include:
  2. failover = 1 path per priority group
  3. multibus = all valid paths in 1 priority group
  4. group_by_serial = 1 priority group per detected serial number
  5. group_by_prio = 1 priority group per path priority value
  6. group_by_node_name = 1 priority group per target node name
  7. The default value is failover.
hdsa
path_grouping_policy    group_by_prio
hdsb
path_grouping_policy    group_by_serial
hdsc
path_grouping_policy    multibus
hdsd
path_grouping_policy    group_by_node_name
hdse
path_grouping_policy    failover

hdsa
[size=7.0T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
 \_ 1:0:0:0 sdb 8:16  [active][ready]
\_ round-robin 0 [prio=0][enabled]
 \_ 2:0:0:0 sdc 8:32  [active][ready]
hdsb
[size=7.0T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
 \_ 1:0:0:1 sdd 8:48  [active][ready]
 \_ 2:0:0:1 sde 8:64  [active][ready]
hdsc
[size=7.0T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
 \_ 1:0:0:2 sdf 8:80  [active][ready]
 \_ 2:0:0:2 sdg 8:96  [active][ready]
hdsd
[size=7.0T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
 \_ 1:0:0:0 sdb 8:16  [active][ready]
 \_ 2:0:0:0 sdc 8:32  [active][ready]
hdse
[size=7.0T][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
 \_ 1:0:0:0 sdb 8:16  [active][ready]
\_ round-robin 0 [prio=0][enabled]
 \_ 2:0:0:0 sdc 8:32  [active][ready]



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