Copying a multi-volume dump to a file

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Use the zgetdump command to copy a multi-volume dump to a file in the file system.

About this task

This example assumes that the two volumes /dev/dasdc and /dev/dasdd (with bus IDs 0.0.4711 and 0.1.4712) contain the dump. Dump data is spread along partitions /dev/dasdc1 and /dev/dasdd1.

Procedure

Use zgetdump without any options to copy the dump parts to a file:
# zgetdump /dev/dasdc > dump.elf
Format Info:
  Source: s390mv_ext
  Target: elf

Copying dump:
  00000000 / 00001024 MB
  00000171 / 00001024 MB
  00000341 / 00001024 MB
  00000512 / 00001024 MB
  00000683 / 00001024 MB
  00000853 / 00001024 MB
  00001024 / 00001024 MB

Success: Dump has been copied

If you want to only check the validity of the multi-volume dump rather than copying it to a file, use the -info option with zgetdump. See Checking whether a DASD dump is valid and printing the dump header for an example.