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Enable Disks from other cell board

 
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Fern H2O
Frequent Advisor

Enable Disks from other cell board

Hello Everyone,

I have a rp7420 using both cell boards with only one partition. As you may know, you can put up to 4 internal disks. We currently are using 2 but would like to use the other 2. The issue is that when I add the disks, it can't be seen with ioscan. I believe I have to activate those slots using parmodify but I've never done that so I have no idea where to begin.

Your help is greatly appreciated...
6 REPLIES 6
Torsten.
Acclaimed Contributor

Re: Enable Disks from other cell board

You need a second pair of core io, do you have this?

Hope this helps!
Regards
Torsten.

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Fern H2O
Frequent Advisor

Re: Enable Disks from other cell board

Yes, I do have the other core I/O

Here's the output for parstatus:

[Cabinet]
Cabinet I/O Bulk Power Backplane
Blowers Fans Supplies Power Boards
OK/ OK/ OK/ OK/
Cab Failed/ Failed/ Failed/ Failed/
Num Cabinet Type N Status N Status N Status N Status MP
=== ============ ========= ========= ========== ============ ======
0 2 cell slot 4/0/N+ 6/0/N+ 2/0/N+ - Active

Notes: N+ = There are one or more spare items (fans/power supplies).
N = The number of items meets but does not exceed the need.
N- = There are insufficient items to meet the need.
? = The adequacy of the cooling system/power supplies is unknown.
HO = Housekeeping only; The power is in a standby state.
NA = Not Applicable.


[Cell]
CPU Memory Use
OK/ (GB) Core On
Hardware Actual Deconf/ OK/ Cell Next Par
Location Usage Max Deconf Connected To Capable Boot Num
========== ============ ======= ========= =================== ======= ==== ===
cab0,cell0 Active Base 2/0/8 4.0/0.0 cab0,bay0,chassis0 no yes 0
cab0,cell1 Active Core 2/0/8 4.0/0.0 cab0,bay0,chassis1 yes yes 0

Notes: * = Cell has no interleaved memory.


[Chassis]
Core Connected Par
Hardware Location Usage IO To Num
=================== ============ ==== ========== ===
cab0,bay0,chassis0 Active - cab0,cell0 0
cab0,bay0,chassis1 Active yes cab0,cell1 0


[Partition]
Par # of # of I/O
Num Status Cells Chassis Core cell Partition Name (first 30 chars)
=== ============ ===== ======== ========== ===============================
0 Active 2 2 cab0,cell1 Partition 0
Torsten.
Acclaimed Contributor

Re: Enable Disks from other cell board

No, obviously not.

cell 0 is not core capable, hence no disks.

Hope this helps!
Regards
Torsten.

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Steve Lee_7
Occasional Advisor
Solution

Re: Enable Disks from other cell board


Modify the nPartition core cell choices using the parmodify -p# -r#... command.
You can modify the core cell choices for the local nPartition or any remote nPartition in the
server complex.
Use the following command: parmodify -p# -r# -r#...
Specify the nPartition number (-p#) and the cell ID (-r#) for all cells you wish to designate
as core cell choices.
# parmodify -p0 -r2 -r0
Command succeeded.
#
The order in which you list the cells is the order in which the nPartition core cell choices are
established; the first cell listed is the first preferred core cell (choice 1), and the subsequent
cells are lower-priority core cell choices (choices 2 through 4, if specified).
Torsten.
Acclaimed Contributor

Re: Enable Disks from other cell board

The SCSI controller for these disks is on the second MP board and I guess you don't have it.

Please post

# ioscan -fn

to check, but I'm quite sure after reading your parstatus.

Hope this helps!
Regards
Torsten.

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those who understand binary, and those who don't.

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Fern H2O
Frequent Advisor

Re: Enable Disks from other cell board

Thanks A Lot Steve & Torsten,

The answer was a combination of both.

Installed MP Card and Ran parmodify command and all is good.

Good Job Guys...