z/VM guest example

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You can initiate a dump to a SCSI disk using z/VM®.

About this task

Assume your SCSI dump disk has the following parameters:
  • WWPN: 4712076300ce93a7
  • LUN: 4712000000000000
  • FCP adapter device number: 4711

Optionally, you can use the scpdata parameter to specify additional parameters for the SCSI dump tool, see the zipl information in Device Drivers, Features, and Commands, SC33-8411.

Results

Messages on the operating system console will show when the dump process is finished.

Example

Using the required parameters:
#cp set dumpdev portname 47120763 00ce93a7 lun 47120000 00000000 
#cp ipl 4711 dump
Using scpdata to specify an optional parameter for the SCSI dump tool:
#cp set dumpdev portname 47120763 00ce93a7 lun 47120000 00000000 scpdata 'dump_debug=3'
#cp ipl 4711 dump
In the example, dump_debug=3 sets the level of debug messages. For more information, see the zipl information in Device Drivers, Features, and Commands, SC33-8411.

What to do next

You can now IPL your Linux® instance and resume operations.