my users has requested more space to a particular volume group, so i do a lsvg
the user wants to know what disks are available to be added to any of the vgs listed above, (not including rootvg)
so i do a lspv and i gett the following
my understanding is the hdiskpowerXX are LUNS made up of the physical hdiskXXs,
so if that is correct, i should be able to create a new volume group called test with hdiskpowerXX that has none and none next to them
also what are the hdisks that have none and none next to them
i clearly understand that all the hdiskpowerXX that have a number and VG name next to it has been assigned to VGs and i know how to get info from them
also let me give you another out from from the following command
take care with your none/none disks, since you are running oracle these may be used by asm as raw disks, ask your oracle admin
I wrote a little script that reads some kind of id from asm disks, to help me find the relation from lpar to vio disks for asm luns easier
try to run it, a none asm disk should not be listed, to make sure run
, non asm disks should return 00000000
but ask your oracle admin anyways, since I don't want to be responsible that you screw up your database
If you have installed sdd drivers instead of sddpcm then you will find the paths are also mentioned as hdisk. You can check which sdd drivers you have installed by
if the output is
"devices.sddpcm.53.rte" then all the hdisks are LUN's mapped to your server.
If the output is
"devices.sdd.53.rte" then the paths are also shown as hdisk. (Mine is AIX 5.3)
You can use "lsattr -El hdiskpower6" and look for the "active_hdisk" it will show all the paths connected to that disk. you can get an idea from the below output
& the output is
Hope this helps you.
Regards,
VJM
---------- Post updated at 01:59 PM ---------- Previous update was at 01:49 PM ----------
Hi,
Mine is ds8k storage. I think you have emc storage so check for the drivers it will help to conclude. From your output it seems hdiskpower0 to 21 are the Luns mapped and the hdisk2 to 47 are paths.
Regards,
VJM
Last edited by zaxxon; 12-15-2011 at 05:22 AM..
Reason: added some code tags to the outputs
Hi all,
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