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Table 8. Diagnostic and maintenance functions
Function
code
Exit Maintenance Mode: Causes the drive to become
0
available for reading and writing data.
Run Drive Diagnostics: Runs tests to determine whether
1
the drive can properly load and unload cartridges, and
read and write data.
Update Tape Drive Firmware from FMR Tape: Loads
8
updated firmware from a field microcode replacement
(FMR) tape.
Create FMR Tape: Copies its field microcode
3
replacement (FMR) data to a customer-supplied scratch
(blank) data cartridge.
Force a Drive Dump: Performs a dump of data (also
8
known as saving a microcode trace).
Copy Drive Dump: Copies data from a drive dump
5
(captured by using Function code 4) to the beginning of
a customer-supplied scratch (blank) data cartridge,
copies a drive dump to flash memory, or erases a dump
from flash memory.
Run Host Interface Wrap Test: Performs a check of the
6
circuitry from and to the connector.
Run RS-422 Wrap Test: This test causes the drive to
7
perform a check of the circuitry and connector for the
RS-422 interface.
Unmake FMR Tape: Erases the FMR data on a
8
customer-supplied scratch (blank) data cartridge and
rewrite the cartridge memory on the tape. This turns the
cartridge into a valid customer-supplied scratch data
cartridge.
Display Error Code Log: Displays the last 10 error
9
codes, one at a time. The codes are ordered; the most
recent is presented first and the oldest is presented last.
Clear Error Code Log: Erases the contents of the error
A
code log.
Insert Cartridge into Tape Drive: This function cannot
C
be selected by itself, but is a part of other maintenance
functions (such as Run Tape Drive Diagnostics and
Create FMR Tape) that require a tape cartridge to be
loaded.
Test Cartridge & Media: Performs tests to make sure
E
that a suspect cartridge and its magnetic tape are
acceptable.
Write Performance Test: Performs tests to make sure
F
that the drive can read from and write to tape.
Test Head: Performs tests to make sure that the tape
H
drive head and tape-carriage mechanics are working
correctly.
J
Fast Read/Write Test: Performs tests to make sure that
the drive can read from and write to tape.
24
Half-High LTO Gen 5 SAS Tape Drive Installation and User's Guide
Diagnostic or maintenance function
Instructions location
page 26
page 28
page 29
page 32
"Function code H: Test head" on page 35
page 36
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