Initiating a SCSI dump

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To initiate the dump, IPL the SCSI dump tool using the SCSI dump load type.

About this task

The dump process can take several minutes depending on the device type you are using and the amount of system memory. The dump progress and any error messages are reported on the operating system messages console.

Procedure

IPL the SCSI dump tool.
After the dump tool is IPLed, messages that indicate the progress of the dump are written to the console:
Linux System Dumper starting

Version 3.0 (64 bit)
Linux version ...

Dump start at:.
 Fri, 9 Dec 2016 13:22:55 +0000

Dump parameters:.
 devno....: 0.0.4711
 wwpn.....: 0x4712076300ce93a7
 lun......: 0x4712000000000000
 conf.....: 0
 partition: /dev/sda1

Writing dump:
      0 of 6144 MB   0.0%    0 MB/s unknown ETA
   2489 of 6144 MB  40.5%  277 MB/s 0:00:13 ETA
   5114 of 6144 MB  83.2%  269 MB/s 0:00:03 ETA
   6144 of 6144 MB 100.0%  267 MB/s 0:00:00 ETA

Dump successful.

Results

The dump process copies the dump to the dump partition. When the dump completes successfully, you can IPL Linux® again. You can then extract the dump from the dump partition into a file.