Difference between revisions of "Multipath -ll"
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| + | From <code>[[multipath]]</code> man page. | ||
| + | :<code>-ll</code> Show the current multipath topology from all available information (sysfs, the device mapper, path checkers ...). | ||
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<pre> | <pre> | ||
multipath -ll | multipath -ll | ||
| Line 25: | Line 29: | ||
|- 1:0:0:0 sdd 8:48 active ready running | |- 1:0:0:0 sdd 8:48 active ready running | ||
`- 3:0:0:0 sdh 8:112 active ready running | `- 3:0:0:0 sdh 8:112 active ready running | ||
| + | </pre> | ||
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| + | Example with a faulty [[LUN]]: | ||
| + | <pre> | ||
| + | multipath -ll | ||
| + | 3600a09803831416c592b4f566453774e dm-3 NETAPP,LUN C-Mode | ||
| + | size=250G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw | ||
| + | |-+- policy='service-time 0' prio=0 status=enabled | ||
| + | | |- 1:0:0:7 sde 8:64 failed faulty running | ||
| + | | `- 3:0:0:7 sdi 8:128 failed faulty running | ||
| + | `-+- policy='service-time 0' prio=0 status=enabled | ||
| + | |- 1:0:1:7 sdg 8:96 failed faulty running | ||
| + | `- 3:0:1:7 sdk 8:160 failed faulty running | ||
</pre> | </pre> | ||
== See also == | == See also == | ||
* {{Linux Fibre Channel}} | * {{Linux Fibre Channel}} | ||
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| + | [[Category:multipath]] | ||
Latest revision as of 12:45, 16 August 2020
From multipath man page.
-llShow the current multipath topology from all available information (sysfs, the device mapper, path checkers ...).
multipath -ll 3600a09803831416c592b4f566453732e dm-3 NETAPP,LUN C-Mode size=450G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 1:0:0:7 sde 8:64 active ready running | `- 3:0:0:7 sdi 8:128 active ready running `-+- policy='service-time 0' prio=10 status=enabled |- 1:0:1:7 sdg 8:96 active ready running `- 3:0:1:7 sdk 8:160 active ready running 3600a09803831417a5a244f5665797a99 dm-4 NETAPP,LUN C-Mode size=200G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 1:0:1:1 sdm 8:192 active ready running | `- 3:0:1:1 sdo 8:224 active ready running `-+- policy='service-time 0' prio=10 status=enabled |- 1:0:0:1 sdl 8:176 active ready running `- 3:0:0:1 sdn 8:208 active ready running 3600a09803831417a5a244f5665797a58 dm-2 NETAPP,LUN C-Mode size=200G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 1:0:1:0 sdf 8:80 active ready running | `- 3:0:1:0 sdj 8:144 active ready running `-+- policy='service-time 0' prio=10 status=enabled |- 1:0:0:0 sdd 8:48 active ready running `- 3:0:0:0 sdh 8:112 active ready running
Example with a faulty LUN:
multipath -ll 3600a09803831416c592b4f566453774e dm-3 NETAPP,LUN C-Mode size=250G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw |-+- policy='service-time 0' prio=0 status=enabled | |- 1:0:0:7 sde 8:64 failed faulty running | `- 3:0:0:7 sdi 8:128 failed faulty running `-+- policy='service-time 0' prio=0 status=enabled |- 1:0:1:7 sdg 8:96 failed faulty running `- 3:0:1:7 sdk 8:160 failed faulty running
See also[edit]
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