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5.9. 使用多路径命令进行多路径查询
可以使用
multipath 命令的 -l 和 -ll 选项来显示当前 multipath 配置。-l 选项会显示从 sysfs 以及设备映射器中的信息搜集到的多路径拓扑。-ll 选项会显示 -l 选项显示的信息以及系统的其他可用组件。
显示多路径配置时,可以使用
multipath 命令的 -v 选项指定三种详细等级。指定为 -v0 时没有输出。指定为 -v1 则只输出生成或者更新的路径名称。指定 -v2 将输出所有检测到的路径、多路径和设备映射。
以下示例显示了
multipath -l 命令的输出。
# multipath -l
3600d0230000000000e13955cc3757800 dm-1 WINSYS,SF2372
size=269G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| `- 6:0:0:0 sdb 8:16 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 7:0:0:0 sdf 8:80 active ready running
以下示例显示了
multipath -l1 命令的输出。
# multipath -ll
3600d0230000000000e13955cc3757801 dm-10 WINSYS,SF2372
size=269G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=1 status=enabled
| `- 19:0:0:1 sdc 8:32 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 18:0:0:1 sdh 8:112 active ready running
3600d0230000000000e13955cc3757803 dm-2 WINSYS,SF2372
size=125G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- 19:0:0:3 sde 8:64 active ready running
`- 18:0:0:3 sdj 8:144 active ready running
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