
B–96 HSG80 User’s Guide
The autoconfigure mode is the most thorough mode and allows you
to:
Automatically test all of the disk units configured
Automatically perform thorough tests on all units with writes
enabled
The standard mode is more flexible and allows you to:
Test disks you select
Perform tests in read-only mode or write-only mode
Provide run time and performance summary options
Can be run in read-only mode
DIRECT—A command used to display a list of all executable
diagnostic or utility programs.
DSTAT—This is not a user utility. This utility may be used by
DIGITAL authorized service personnel only.
FMU—A fault management utility used to control several
spontaneous errors. FMU also displays information regarding the
most recent controller and memory system failure.
FRUTIL—A utility used when replacing a failed controller,
external cache battery, or cache module.
HSUTIL—A utility used to format a disk device or to download
new firmware to a disk device.
VTDPY—A utility used to display the current controller state,
performance data, processor utilization, host post activity and
status, device state, logical unit state, cache performance, and I/O
performance.
See Chapter 4, “Troubleshooting,” for more information regarding the
above utilities.
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