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12-09-2011 09:58 AM
12-09-2011 09:58 AM
wha tis procedure to migrate cell on ia64 hp superdome server SD64A
Hello HPUX GURUS!!!
we are planning to migrate the cell 0 from cab1 to cab0 . it has two npar in superdome. As it us a core cell, i am little worry whether this possible or not.. if possible can someone please let me know the procedure.
$ parstatus -w
The local partition number is 1.
[root@hpx160:/.root]
$ parstatus
Note: No action specified. Default behavior is display all.
[Complex]
Complex Name : hpxsd2
Complex Capacity
Compute Cabinet (8 cell capable) : 2
Active MP Location : cabinet 0
Original Product Name : superdome server SD64A
Original Serial Number : DEH452446Y
Current Product Order Number : A5201A
OEM Manufacturer :
Complex Profile Revision : 1.0
The total number of partitions present : 2
[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 8 cell slot 4/0/N+ 5/0/N+ 6/0/N+ 3/0/N+ Active
1 8 cell slot 4/0/N+ 5/0/N+ 6/0/N+ 3/0/N+ -
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 Core 4/0/4 28.0/0.0 cab0,bay1,chassis3 yes yes 0
cab0,cell1 Active Base 4/0/4 26.0/0.0 - no yes 0
cab0,cell2 Active Base 4/0/4 26.0/0.0 - no yes 0
cab0,cell3 Active Base 4/0/4 24.0/0.0 - no yes 0
cab0,cell4 Active Base 4/0/4 24.0/0.0 - no yes 0
cab0,cell5 Active Base 4/0/4 24.0/0.0 - no yes 0
cab0,cell6 Active Base 4/0/4 24.0/0.0 - no yes 0
cab0,cell7 Active Base 4/0/4 24.0/0.0 - no yes 0
cab1,cell0 Active Core 4/0/4 8.0/0.0 cab1,bay0,chassis1 yes yes 1
cab1,cell1 Active Base 4/0/4 38.0/0.0 - no yes 1
cab1,cell2 Active Base 4/0/4 38.0/0.0 - no yes 1
cab1,cell3 Active Base 4/0/4 38.0/0.0 - no yes 1
cab1,cell4 Active Base 4/0/4 38.0/0.0 - no yes 1
cab1,cell5 Active Base 4/0/4 42.0/0.0 - no yes 1
cab1,cell6 Active Base 4/0/4 64.0/0.0 cab1,bay1,chassis1 yes yes 1
cab1,cell7 Absent - - - - - -
Notes: * = Cell has no interleaved memory.
[Chassis]
Core Connected Par
Hardware Location Usage IO To Num
=================== ============ ==== ========== ===
cab0,bay0,chassis0 Absent - - -
cab0,bay0,chassis1 Absent - - -
cab0,bay0,chassis2 Absent - - -
cab0,bay0,chassis3 Absent - - -
cab0,bay1,chassis0 Absent - - -
cab0,bay1,chassis1 Absent - - -
cab0,bay1,chassis2 Absent - - -
cab0,bay1,chassis3 Active yes cab0,cell0 0
cab1,bay0,chassis0 Absent - - -
cab1,bay0,chassis1 Active yes cab1,cell0 1
cab1,bay0,chassis2 Absent - - -
cab1,bay0,chassis3 Absent - - -
cab1,bay1,chassis0 Absent - - -
cab1,bay1,chassis1 Active yes cab1,cell6 1
cab1,bay1,chassis2 Absent - - -
cab1,bay1,chassis3 Absent - - -
[Partition]
Par # of # of I/O
Num Status Cells Chassis Core cell Partition Name (first 30 chars)
=== ============ ===== ======== ========== ===============================
0 Active 8 1 cab0,cell0 hpx159 Shared prd SAP DB
1 Active 7 2 cab1,cell0 hpx160 Shared prd SAP AS
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12-09-2011 11:39 AM
12-09-2011 11:39 AM
Re: wha tis procedure to migrate cell on ia64 hp superdome server SD64A
From the output I see that already have a cell in cabinet 0, slot 0. Did you mean you wanted to move the cell in cabinet 1, slot 0 to Partition 0 (as a resource)?
Given that, it is possible to move cells from one partition to another. However, the affect this has on the source partition is what you need to be concerned about.
A "core cell" is simply a cell that has an attached IO Chassis and Core IO board and then has been designated as a core cell by the partition. If you physically remove that cell, then you are disconnecting the attached IO Chassis. If your partition is configured to handle the removal of that IO then you will be fine. The Partition will use the next available cell that is attached to an IO Chassis and Core IO board and designate that as its core cell. In your case this would be cab1/cell6. If you did not have this, then you would not be able to perform this move.
-Bob
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12-09-2011 11:20 PM
12-09-2011 11:20 PM
Re: what is procedure to migrate cell on ia64 hp superdome server SD64A
i am using below command to execute this change :
parstatus -w
parstatus -P
parstatus -AC
parmodify -p 1 -d 1/0
parstatus
parmodify -p 0 -a 1/0:::
parstatus
Reboot the server hpx159