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rmdev won't remove disk device AIX

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Operating Systems AIX rmdev won't remove disk device AIX
# 1  
Old 12-04-2009
rmdev won't remove disk device AIX
Hi all,

I'm attempting to remove some EMC hdisk devices which we recently had made available to one of our backup servers. This is an AIX 5.3 server. When I try doing an rmdev I get the following:

root@********:/dev# rmdev -d -l hdisk495
Method error (/usr/lib/methods/ucfgdevice):
0514-062 Cannot perform the requested function because the
specified device is busy.

I've attempted to disable the fcs device and THEN remove the hdisk devices, but I just get the same message. I'm only a fledgling AIX admin so I'm not sure what's keeping these devices "busy". Any input would be greatly appreciated.

Sincere thanks,
C.J.
# 2  
Old 12-07-2009
Hello,

Did you added the disks in veritas???
If yes then you have to remove from it.

HTH
# 3  
Old 12-07-2009
is there a volume group on hdisk495

can you please post here the output for

lsdev -Cc disk

lspv

lsvg


try to varyoff the volume group on hdisk495 then rmdev -Rdl hdisk495
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