Unload Button
Function
How to Initiate the Function
Rewind the tape
into the cartridge
and eject the
cartridge from the
drive
Press the Unload Button once. The Status LED flashes green while the drive is rewinding and unloading.
Note: During a rewind and eject operation, the drive does not accept SCSI commands from the server.
Place the drive in
maintenance
mode
Ensure that the drive is unloaded. Then, press the Unload Button 3 times within 2 seconds. The drive is
in maintenance mode when the Status LED becomes solid amber and 0 appears in the SCD.
Notes:
1. While in maintenance mode, the drive does not accept SCSI interface commands.
2. If you attempt to enter Maintenance Mode with a cartridge in the drive, the drive will rewind and
eject the cartridge. Remove the cartridge and repeat the steps for entering Maintenance Mode.
Scroll through the
maintenance
functions
While in maintenance mode, press the Unload Button once per second to increment the display
characters by one. When you reach the character of the diagnostic or maintenance function that you
want (see Diagnostic and Maintenance Functions), press and hold the Unload Button for three seconds.
Exit maintenance
mode
Press the Unload Button once per second until 0 displays. Then press and hold the Unload Button for
three seconds. Maintenance mode is exited when the Status LED becomes solid green and the SCD
becomes blank.
Force a drive
dump (part of the
maintenance
mode)
Attention: If the drive detects a permanent error and displays an error code, it automatically forces a
drive dump (also known as a save of the firmware trace). If you force a drive dump, the existing dump
will be overwritten and data will be lost. After you force a drive dump, do not turn off the power to the
drive or you may lose the dump data. Choose one of the following procedures:
If the drive is in maintenance mode (Status LED is solid amber), refer to Function Code 4: Force a
Drive Dump.
If the drive is in operating mode (Status LED is solid or flashing green), press and hold the Unload
Button for ten seconds.
If captured dump data exists, the drive places it into a dump area.
Reset the drive Press and hold the Unload Button until the drive begins the reset procedure. (Status LED will be amber.)
Note: If a tape cartridge is loaded in the drive the drive will unload the tape. Repeat the reset procedure
after the tape is unloaded. The drive saves a dump of the current drive state, then reboots to allow
communication. Do not cycle power as this will erase the contents of the dump.
Diagnostic and Maintenance Functions
The drive can:
Run diagnostics
Test write and read functions
Test a suspect tape cartridge
Update firmware
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.
Note: During normal operation the fan only runs when cooling is required. The fan will be turned on/off during the POST and
Run Drive Diagnostics to demonstrate the fan is operational.
Entering Maintenance Mode
Exiting Maintenance Mode
Function Code 0: Maintenance Mode
Function Code 1: Run Drive Diagnostics
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