Rx7620, Rx8620, And Superdome/Sx1000 Servers; Locate The Debug Port; Option 1: Identifying The Core Cell Using An Efi Command (Recommended); Rx5670 Debugging Port - HP Integrity BL890c - i2 Server Software Manual

Figure 1-9 rx5670 debugging port

rx7620, rx8620, and Superdome/sx1000 servers

To set up the rx7620, rx8620, or Superdome/sx1000 for local debugging, complete the following
steps:
1. Locate the correct debugging port by identifying the core cell.
2. Copy the KD utility to the EFI system partition (rx7620 and rx8620 only).
3. Enable debug port (rx7620 and rx8620 only).
4. Connect to the debug port.

Locate the debug port

HP Integrity rx7620, rx8620, and Superdome servers are cell-based. They can be divided into
multiple node partitions (nPartitions), in which each nPartition has one or more cells. The
nPartitions are functionally isolated from each other so you can run a separate instance of the
operating system in each. You must connect the 4-pair CAT-5 cable to the RJ45 connector on the
core cell (or root cell) of the nPartition you want to debug. This means you must first identify
the core cell.
NOTE: The terms "core cell" and "root cell" mean the same thing. The Partition Manager and
the nPartition CLI tools generally use the term "core cell," whereas the EFI tools use the term
"root cell."
Use the following rules to identify the core cell:
• If an nPartition has only one cell, it must be the core cell.
• If the nPartition has more than one cell but only one I/O chassis, then the cell with the I/O
chassis is the core cell.
• If the nPartition has more than one cell or more than one I/O chassis (or if you just do not
know), then use one of the following methods to determine the core cell.

Option 1: Identifying the core cell using an EFI command (recommended)

To identify the core cell from the EFI shell (while the operating system is shut down), execute
the following command:
fs1:\>rootcell
The system displays the following output:
Preferred
Root Cell
---------
0 0/0
The current root cell is 0.
24 Debugging the kernel locally
Cab/
Slot Warnings
----- --------