IBM RS/6000 SP Problem Determination Manual page 227

This soft copy for use by IBM employees only.
Note: You will need to attach an external device to the SP nodes in order to use
this option.
To copy a system dump after rebooting in normal mode, do the following:
Copy a System Dump to Removable Media
The system dump is 16957952 bytes and will be copied from /dev/hd6
to media inserted into the device from the list below.
Please make sure that you have sufficient blank, formatted
media before you continue.
Step One: Insert blank media into the chosen device.
Step Two: Type the number for that device and press Enter.
Device Type
>>>
88 Help ?
99 Previous Menu
>>> Choice[0]:
• If it is the Control Workstation, log in as root and copy the system dump to
either diskette or tape using
# /usr/sbin/snap -gfkD -o /dev/rfd0
(The example shown copies the dump to diskette)
If the dump went to the paging space logical volume, it has been copied to
the directory /var/adm/ras in rootvg. These dumps are also copied by the
snap
command.
• If it is a node, you may use the following procedure:
Path Name
snap
command:
Chapter 8. Producing a System Dump
207