posted Jun 8, 2014, 2:18 PM by Jeff Ogden
In 1988 the file system supported the following types of disks:
- 2311: 1624 pages
- 2314: 6496 and 12,992
- 3330: 23,427 and 46,455
- 3340: 8376 and 16,752
- 3344: 16,752
- 3350: 74,480
- 3370: 69,750
- 3375: 92,064
- 3380: 132,900, 265,650, and 398,400
- 3390: 200,340 and 400,680
- 6280: 100,800
The documentation includes:
- Information on disk drives including disk types, revolutions per minute, latency (msec), transfer rate (MB/sec), number of cylinders, tracks, pages/track, capacity (pages), default PAT starting location, default PAT length.
- The format of the Volume Label, the PAT (Page Assignment Table), Relocation Entries, IPL information, DSCB (Data Set Control Block).
- The structure of the file system catalog, line files, and sequential files including SEQWL files.
- The format of the in memory shared file table.
- Descriptions of various disk system utility programs, including:
- AMALCOMP -amalgamate and compare the lists of files during recovery
from a disk disaster, and so produce lists of files for further
- CATSCAN - Catalog Scan And Count Utility
- CCATL - Catalog Creation Utility
- CHKVTOC- verify the correspondence between DSCBs and the PAT, to
correct to the PAT where possible, and to verify and correct
- CHONID - Program To Change File Owner
- DASDI - Disk Pack Initialization
- DISKCOPY - Copy Disk Packs
- DSK - Disk Table Utility
- FM - File Move Utility
- FSTEST - Testing The File Routines
- PM - Obtain A Pack Map
- TABLMOD - Shared File Table Utility
- Validate - Validate Files
- VAMREC - Error Recovery Program
- VNTD - Catalog Utility
- VTOCUTIL - VTOC Utility
- Information on console error messages, Disaster Recover, and file system testing (FSTEST).