Assign Alternate Track Data Cell; Clear Data Cell; Clear Disk; Copy And Restore Disk Or Data Cell - IBM System/370 Operator's Reference Manual

DOS/vS System Utilities
Source: GC33-5381 "DOS/VS System Utilities, Release 29"
This section contains information on a few of the frequently used DOS Utility
programs. Refer to the SRL for complete information.
Assign Alternate Track Data Cell
Purposes:
To assign an alternate track on an IBM 2321 Data Cell Drive. If an alternate
track is found defective, a new alternate track must be assigned to the
primary track.
To recopy data from the alternate track to the primary track if th is track is
no longer defective.
To replace bad records on a specified track if update records are supplied as
input.
Assign Alternate Track Disk
Purposes:
To assign an alternate track on an IBM 2311 Disk Storage Drive, an IBM
2314 Direct Access Storage Facility, an IBM 2319 Disk Storage, an IBM
3330 Disk Storage, an IBM 3333 Disk Storage, or an IBM 3340 Direct
Access Storage Facility, and to copy data (if present) from a defective track
to an alternate track.
If an alternate track is found to be defective, a new alternate track must be
assigned to the primary track.
To replace bad records on a specified track if update records are supplied as
input.
To change the track-condition indication, and to recopy data (if present)
from the alternate track to the primary track.
Restriction: This is only valid for the 2311, the 2314, and 2319.
Clear Data cell
Purposes:
To clear one or more areas on an IBM 2321 Data Cell Drive.
To establish preformatted tracks throughout the area cleared.
To create a file label in the VTOC.
Clear Disk
Purposes:
To establish preformatted tracks (clear) on one or more extents on an IBM
2311 Disk Storage Drive, an IBM 2314 Direct Access Storage Facility, an
IBM 2319 Disk Storage, an IBM 3330 Disk Storage, an IBM 3333 Disk
Storage, or an IBM 3340 Direct Access Storage Facility.
To create a file label in the VTOC.
Copy and Restore Disk or Data Cell
Purposes:
To copy a volume or file from an IBM 2311 Disk Storage Drive, an IBM
2314 Direct Access Storage Facility, an IBM 2319 Disk Storage, an IBM
3330 Disk Storage, an IBM 3333 Disk Storage, or an IBM 3340 Direct
Access Storage Facility, to cards, disk, or tape.
To copy a volume or file from an IBM 2321 Data Cell Drive to tape.
To restore data to disk or data cell at a later date.
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