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September 10th, 2008 10:00

Remove hdiskpower hard disks from AIX OS

Hi,

I have a AIX 5.2 TL9 running and we decided to remove some of the hard drives that are on a EMC Symmetrix box. What is a proper way to remove the disks with powerpath after I remove the volume group? Let's say I want to get rid of hdiskpower180.

1) Are these steps enough?
powermt remove dev=hdiskpower180
rmdev -Rdl hdisk183
rmdev -Rdl hdisk401
powermt save

2) What needs to be removed first, hdiskpower or hdisk?

Thank you



Pseudo name=hdiskpower180
Symmetrix ID=00019010xxxx
Logical device ID=0B0D
state=alive; policy=SymmOpt; priority=0; queued-IOs=0
==============================================================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================================================
0 fscsi0 hdisk183 FA 9bA active alive 0 0
1 fscsi1 hdisk401 FA 8bA active alive 0 0

Message was edited by:
Stefano Del Corno

snip snip snip .. censored SID :D

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20.4K Posts

September 10th, 2008 10:00

looks good ..i always remove hdiskpower devices first. Also right before "powermt save" run "powermt check". That will force powerpath to check for any ghost entries and give you a chance to remove them.
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