5.1.5 Mainframe Utilities

The utilities according to the next table will run on the mainframe and provide various functions that are
useful for Hercules users:

Utility Name

Function

AWSSL

AWS virtual tape utility

AWSUTIL

AWS format tape file generation utility

RAWSTAPE

Reverse AWSTAPE utility

VTTS

Virtual tape transportation system

Table 5: Mainframe utilities

5.2 CCKDCDSK (
CCKD D
ASD f
ile integrity verification, recovery and
repair utility)

5.2.1 Function

The CCKDCDSK utility performs compressed or shadowed CKD DASD emulation file integrity verification
and recovery and repair. Calling the utility without any arguments will display a help information.

5.2.2 Syntax

Descriptive

CCKDCDSK [-option [-option ... ]] filename

Diagram

Êʬ¬¬ CCKDCDSK ¬¬¬§¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬§¬¬¬ filename ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ÊÍ

-option ¬¬¬¨¬¬¬¯

5.2.3 Parameter

options:

-v

Display version information and exit.

-f

Force check, even if OPENED bit is on.

-ro

Open the DASD file read-only, no repairs are done.

-level

The level of checking that is to be performed. The higher the level the longer the
integrity check takes. The level is any number from 1 - 4.

- Level 1 performs a minimal check. Device headers are verified, free space is veri-
fied, primary lookup table and secondary lookup tables are verified.

- Level 2 performs a normal check. These are the same checks as in level 1 plus all
5-byte track headers are verified.

- Level 3 performs the maximum checking. These are the same checks as in level 1
plus all track images are read, uncompressed and verified.

- Level 4 recovers everything.