Mass Storage Utilities; On-Line Reconfiguration (Redefine) - Control Data Corporation CYBER 170 Series Operator's Manual

MASS STORAGE UTILITIES·
6
This section describes the operation of the REDEFINE and
FLAW mass storage utilities.
malfunctioning without performing a level 0 initial
deadstart. A unit which fails can be replaced with an
unused drive that is available (or can be made available) on
the same channel as the failing unit by physically moving
the disk pack from the failing unit to the replacement unit.
ON-LINE RECONFIGURATION (R.EDEFINE).
Use the REDEFINE utility to reconfigure 844 disk drives
on-line and thus logically eliminate a unit which is
To redefine, use the K display (figure 6-1).
60435600
J
*** MASS STORAGE RECONFIGURATION ***
PARAMETER DESCRIPTION
CU
RU
ES
UP
CH
OP
2B
OB
R
CURRENT UNIT.
REPLACEMENT UNIT.
EQUIPMENT FOR SWITCH.
UNIT POSITION IN EQUIPMENT (0
-'7).
CHANNEL(S) FOR ADD (1-4 OCTAL DIGITS).
OPTION -
A ADD UNIT *RU* AT POSITION *UP*.
IF NULL EQUIPMENT, CHANNEL(S)
*CH* MAY BE SPECIFIED.
D DELETE UNIT *CU*.
R REPLACE UNIT *CU* WITH UNIT *RU*.
S SWITCH UNIT *CU* WITH EQUIPMENT
*ES*, UNIT *RU*.
EQUIPMENT 03 CURRENT CONFIGURATION
UNITS 02 -- -- -- -- -- -- --
RECONFIGURATION REQUESTED ON EQUIPMENT
03
COMMANDS
GO - INITIATE PROCESSING OF OPTION.
CLEAR - CLEAR RECONFIGURATION REQUEST.
IGNORE- IGNORE PROCESSING ON THIS DEVICE (MMF ONLY).
RERUN - REFRESH *K* DISPLAY
RESET - SET DEFAULT PARAMETERS.
Figure 6-1. K Display
6-1