Cleaning The Drive Head; Diagnostic And Maintenance Functions - IBM LTO Ultrium 4 Installation And User Manual

Cleaning the drive head

About this task
Attention: When cleaning the drive head, use the LTO Ultrium Cleaning
Cartridge.
Clean the drive head whenever
the status LED is flashing amber once per second. It is not recommended that you
clean the drive head on a periodic basis; only when the drive requests to be
cleaned.
Note: In Maintenance Mode, a flashing
To clean the head, insert the cleaning cartridge into the tape load compartment (see
"Front panel of the drive" on page 2). The drive performs the cleaning
automatically in less than two minutes then ejects the cartridge. The drive will
perform a short Load/Unload Test while ejecting the drive. Wait for the drive to
finish before removing the cartridge.
Note: The drive will automatically eject an expired cleaning cartridge.
The LTO Ultrium Cleaning Cartridge is valid for 50 uses.

Diagnostic and maintenance functions

The drive can:
v Run diagnostics
v Test write and read functions
v Test a suspect tape cartridge
v Update firmware
v Perform other diagnostic and maintenance functions
The drive must be in Maintenance Mode to perform these functions.
Attention: Maintenance functions cannot be performed concurrently with read or
write operations. While in Maintenance Mode, the tape drive does not accept SCSI
commands from the server. The tape drive does accept LDI or RS-422 commands.
Table 5 describes each diagnostic and maintenance function that the drive can
perform, gives the function code that appears on the single-character display
(SCD), and directs you to the instructions for performing the function. It is
recommended that you use a customer-supplied scratch (blank) data cartridge for
diagnostic testing.
Table 5. Diagnostic and maintenance functions
Function
Code
Exit Maintenance Mode: Causes the drive to become
0
available for reading and writing data.
16
LTO Ultrium 4 Half High Tape Drive
means to insert a cartridge, not clean the drive head.
Diagnostic or Maintenance Function
C
displays on the single-character display and
C
with the solid amber status LED
Instructions Location
"Function Code 0: Maintenance Mode"
on page 19