Address - Sun Microsystems Sun Workstation 100U System Manager's Manual

DIAG(8S)
read
leek
statuI
teat
time
verity
write
+
MAINTENANCE COMMANDS DIAG( 8S)
Reads specified blocks from the disk. The read command prompts for the starting
block number, number of blocks, and the block increment. The read command
doesn't report the data it reads - it is intended for verifying that blocks are readable.
Performs a seek test on the disk such that a seek is made to every cylinder and a seek
is made to every possible cylinder distance,
Reports the ready status or each drive on the current controller.
Does a general disk test by writing random data to random positions on the disk and
then verirying that the correct data can be read back. The te8t command destroys
data on the disk. It runs until the user aborts the process by typing the letter 'a'.
Toggles an option to turn timing on and off. When timing is on, diag reports on how
long things take - diag is less verbose in this state so it doesn't waste time displaying
messages.
Reads and displays the label from the disk. Shows the logical partition assignments.
This is usually done automatically when the format command has labelled the disk.
Writes garbage data to specified blocks on the disk. The write command prompts for
the starting block number, number or blocks, and the block increment. The write is
intended for verifying that blocks are writeable.
Adds two numbers and reports the result in decimal, hexadecimal, and as a disk
address.
Subtracts two numbers and reports the result in decimal, hexadecimal, and as a disk
address.
Block numbers may be entered either as an absolute decimal block number, or as a disk address
or the rorm cylinder/head/sector.
Any
diag command m3Y be aborted by typing a AC (control-C) ..
Sun Rele3.f!, 1.1
Last change: 19 March 1984 23