Growing an AIX raid 10 array

[MHThomas]

Hi,
I have an AIX 5.2 system with an attached SSA array, with two controlers (ssa0 & ssa1).

I have two raid 10 arrays defined as hdisk2 and hdisk3:

Components
Primary Secondary Status
hdisk2 good
pdisk18 pdisk1 good
pdisk19 pdisk2 good
pdisk20 pdisk3 good
pdisk21 pdisk4 good
hdisk3 good
pdisk22 pdisk5 good
pdisk23 pdisk6 good
pdisk16 pdisk7 good
pdisk25 pdisk0 good
pdisk26 pdisk9 good

And two spare disks:
root@bhxnpr01 [/home/root] > /usr/ssa/ssaraid/bin/ssaraid.smit lcssaraid_hdr_cmd_to_exec -l 'ssa0'
pdisk17 002035E571A200D free good 36.4GB disk
pdisk11 0040AABDAF0700D free good 36.4GB disk
root@bhxnpr01 [/home/root] > /usr/ssa/ssaraid/bin/ssaraid.smit lcssaraid_hdr_cmd_to_exec -l 'ssa1'
pdisk17 002035E571A200D free good 36.4GB disk
pdisk11 0040AABDAF0700D free good 36.4GB disk

I need to know how to add these disks, as a mirrored pair, to the raid array on hdisk2.

Also (to make things harder) I need to be able to do this without using smit...

Hope somebody can help, as I seem to have exausted Google.

Cheers,

Mark T.

 

[DukeSSD]

I don't believe it can be done without backing up, recreating the array at the new size, restoring the data.

Could you just create a new array with the free disks and add it to the vg?

The command line reference:

Advanced SerialRAID Adapters User’s Guide and Maintenance Information:

http://www-1.ibm.com/support/docview.wss?rs=505&uid=ssg1S7000974