Difference between revisions of "Disk Volume Header"

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Revision as of 10:58, 18 October 2010

On a SGI's ARCS systems all disks (even CD) must have a IRIX volume header vh(7M) and partitions. A typical IRIX bootable volume consists of the following partitions:

  • Partition 0 - Root Filesystem partition.
  • Partition 1 - Swap partition.
  • Partition 7 - Volume Body partition.
  • Partition 8 - Volume Header partition.
  • Partition 10 - Whole Disk partition.

The Volume Header partition must start at the first sector on the disk. It contains the disk label in the first sector, and a rudimentary filesystem (readable by the PROM Monitor) in the rest of the partition.

DVH tools