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February 16th, 2007 17:00
Cleaning up the dead paths from powerpath control
Hello,
We have removed some hdisks from the powerpath control, but the the dead paths are still showing up. we have tried
powermt display dev=all which is showing the both active and dead paths.
we have run the following command
powermt restore.
powermt check. When prompted to remove a dead path,we responded with a remove all dead paths.
we got a following message
Warning: Symmetrix device path unknown is currently dead.
Do you want to remove it (y/n/a/q)? y
Illegal device unknown.
Volume not found.
Can anyone please help?
Regards
Misbah
We have removed some hdisks from the powerpath control, but the the dead paths are still showing up. we have tried
powermt display dev=all which is showing the both active and dead paths.
we have run the following command
powermt restore.
powermt check. When prompted to remove a dead path,we responded with a remove all dead paths.
we got a following message
Warning: Symmetrix device path unknown is currently dead.
Do you want to remove it (y/n/a/q)? y
Illegal device unknown.
Volume not found.
Can anyone please help?
Regards
Misbah
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dynamox
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February 16th, 2007 18:00
powermt check force
Misbah1
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February 19th, 2007 12:00
SanSavvy
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February 20th, 2007 00:00
Hope this works.
Kiran3
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February 20th, 2007 00:00
if that doesnt work, reboot the host...that should clear it up!
dynamox
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February 21st, 2007 05:00
sysmgr1
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February 21st, 2007 05:00
dynamox
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February 21st, 2007 06:00
Kiran3
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February 21st, 2007 06:00
Kiran3
410 Posts
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February 21st, 2007 06:00
it is similar to the one offered by SanSavvy however, it requires the disks to be rescanned at host level first (equivalent of running ioscan -fn and insf -eC disk)
i am not a AIX guy but can you do a cfgmgr and then
as mentioned?
A reboot should do all this for you
JasonBailey
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February 22nd, 2007 16:00
If the device is unknown, that means that Powerpath has the device in its configuration database but was unable to find its device path in the OS.
I can't think of anything which can be done online to recover if a powermt check force doesn't work. There is an offline procedure at solution emc93300 which should fix it.