Difference between revisions of "Multipath -ll"

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From <code>[[multipath]]</code> man page.
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:<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
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   |- 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
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</pre>
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 +
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Example with a faulty [[LUN]]:
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<pre>
 +
multipath -ll
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3600a09803831416c592b4f566453774e dm-3 NETAPP,LUN C-Mode
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size=250G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw
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|-+- policy='service-time 0' prio=0 status=enabled
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| |- 1:0:0:7 sde 8:64  failed faulty running
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| `- 3:0:0:7 sdi 8:128 failed faulty running
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`-+- 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>
  

Latest revision as of 12:45, 16 August 2020

From multipath man page.

-ll Show 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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