Difference between revisions of "Multipath: remove multipath device unpresented to host"

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* Review disk status: <code>multipath -ll</code>
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<code>[[multipath]]</code>:  https://linux.die.net/man/8/multipath
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* Review disk status: <code>[[multipath]] -ll</code>
 
<pre>
 
<pre>
 
mpath10 (350002ac01bde0e96)
 
mpath10 (350002ac01bde0e96)
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  \_ 1:0:2:2 sdx  65:112 [failed][faulty]
 
  \_ 1:0:2:2 sdx  65:112 [failed][faulty]
 
</pre>
 
</pre>
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* <code>multipath -f mpath10</code>
 
  
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<code>
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* <code>multipath -f mpath10</code> or <code>multipath -F</code> to flush all unused multipath device maps
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multipath -w 3600a09803831417a5a244f5665797a48
 
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wwid '3600a09803831417a5a244f5665797a48' removed
 
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</code>
 
  
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<pre>
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multipath -f 3600a09803831416c592b4f566453774e
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Jan 16 08:59:52 | 3600a09803831416c592b4f566453774e: map in use
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</pre>
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Try to remove PV: [[pvremove]]
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<pre>
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multipath -w 3600a09803831417a5a244f5665797a48
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wwid '3600a09803831417a5a244f5665797a48' removed
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</pre>
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<code>multipath -W </code>
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: -W    Reset  the  WWIDs  file  to  only  include  the  current multipath devices.
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echo .../... or <code>[[rescan-scsi-bus.sh|rescan-scsi-bus.sh --remove]]</code>
 
* <code>echo 1 > /sys/block/sdf/device/delete</code>
 
* <code>echo 1 > /sys/block/sdf/device/delete</code>
 
* <code>echo 1 > /sys/block/sdk/device/delete</code>
 
* <code>echo 1 > /sys/block/sdk/device/delete</code>
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Related commands: <code>[[rescan-scsi-bus.sh|rescan-scsi-bus.sh --remove]]</code> <code>[[vgremove]]</code>
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== Related activities ==
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* [[Resize size of your LUN and check operating systems messages]]
  
 
== See also ==
 
== See also ==
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* <code>[[pvcreate]]</code>
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* <code>[[pvcreate]]</code> <code>[[LUN]]</code>
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* {{multipath}}
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* {{scsi}}
  
 
[[Category:Linux]]
 
[[Category:Linux]]

Latest revision as of 12:05, 17 December 2019

multipath: https://linux.die.net/man/8/multipath 


mpath10 (350002ac01bde0e96)
[size=50 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [enabled]
 \_ 0:0:1:2 sdf  8:80   [failed][faulty]
 \_ 0:0:2:2 sdk  8:160  [failed][faulty]
 \_ 1:0:0:2 sdp  8:240  [failed][faulty]
 \_ 1:0:2:2 sdx  65:112 [failed][faulty]
  • multipath -f mpath10 or multipath -F to flush all unused multipath device maps
 multipath -f 3600a09803831416c592b4f566453774e
 Jan 16 08:59:52 | 3600a09803831416c592b4f566453774e: map in use

Try to remove PV: pvremove




 multipath -w 3600a09803831417a5a244f5665797a48
 wwid '3600a09803831417a5a244f5665797a48' removed



multipath -W

-W Reset the WWIDs file to only include the current multipath devices.


echo .../... or rescan-scsi-bus.sh --remove

  • echo 1 > /sys/block/sdf/device/delete
  • echo 1 > /sys/block/sdk/device/delete
  • echo 1 > /sys/block/sdp/device/delete
  • echo 1 > /sys/block/sdx/device/delete


Related commands: rescan-scsi-bus.sh --remove vgremove

Related activities[edit]

See also[edit]

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