Performing Routine Disk Operations
Guardian User’s Guide—425266-001
9-2
Using the Subsystem Control Facility (SCF)
ALLOW Specifies the number of errors or warnings permitted during the
execution of a command file.
ALLOWOPENS (Does not support TAPE device in G-series releases) Allows an object to
once again accept opens; reverses the STOPOPENS command.
ALTER Changes the value of one or more attributes of an object.
ASSIGN Changes, adds, and displays ASSIGN messages passed to new processes
initiated by the SCF RUN command.
ASSUME Sets the default object type, object name, or both.
BOOT Prepares the programmable controller for a software download. The
controller should be in the STOPPED state for the BOOT command.
CHECK Displays brief information about one or more objects. The display
comprises abbreviated information from the INFO, NAME, STATS, and
STATUS commands.
CLEAR Clears the logical-file assignments made using the ASSIGN command,
parameters set using the PARAM command, and aliases defined using
the ALIAS command.
COMMENT Allows the specification of descriptive text in command files.
CONFIRM Enables or disables the display of positive responses from subsystems.
CONNECT Establishes a connection between two objects.
CONTROL (Does not support TAPE device in G-series releases) Allows the user to
issue certain disk-specific commands (such as rebuilding the free-space
table on magnetic disk).
COPY Copies an object from one location to another.
CPUS Displays the names of all known systems on the network and the states of
their associated processors.
DEFAULT Resets specific attributes to their default values.
DELAY Suspends SCF processing for a specified time interval.
DELETE Removes an object from the subsystem.
DETAIL Enables or disables a labeled dump of the SPI command or response
buffer, detailed error descriptions, and timestamp format and logging.
DIAGNOSE Provides a means of diagnosing an object.
DISCONNECT Breaks a connection between two objects.
DUMP Copies information from one location to another to diagnose a problem.
ENV Displays the settings of various SCF session parameters, sometimes
called environmental parameters.
EXIT Terminates an SCF session.
Table 9-1. SCF Command Summary (page 2 of 4)
Command Function