3. For the eServer drive, press and hold the Unload Button for 6 seconds. After 6 seconds the Ready Status LED will begin
Flashing, the Fault Status LED will be Solid, the SCD dot may be On or Off, and the Single-character Display (SCD) will
show a Solid 0. At this point when the Unload Button is released, the SCD will change to a Solid 1 as the eServer drive
enters maintenance mode with function 1 selected so a drive diagnostic can be performed with no further interaction.
Note: If a cartridge is in the tape drive, it will eject the first time that you press the Unload Button and the drive will not be
placed in maintenance mode. To continue placing the drive in maintenance mode, perform the preceding step. While in
Maintenance Mode, the drive will not accept a cartridge unless the drive requests it. The SCD will display a flashing C to
indicate a cartridge needs to be inserted.
Maintenance functions cannot be performed concurrently with read or write operations. While in maintenance mode, the drive
does not receive commands from the server.
Exiting Maintenance Mode
The drive must be in maintenance mode to run drive diagnostics or maintenance functions. To exit maintenance mode:
1. Press and hold the Unload Button for 3 or more seconds only if the selected function on the SCD is 0. Pressing and
holding the Unload Button with any other function selected will cause the selected function to begin execution. Then
release the button to take the drive out of maintenance mode. If no error is detected, 0 temporarily appears in the SCD
and then goes blank. Both the 7226 drive feature and eServer drives will exit maintenance mode automatically after the
completion of a selected function and the Ready Status LED will return to Green.
a. With the 7226 drive feature drive, you can cycle through the functions repeatedly. By selecting function 0 and
pressing and holding the Unload Button for 3 or more seconds you can exit maintenance mode. If there has been
no action for 10 minutes while in maintenance mode, the 7226 drive feature will automatically exit.
b. With the eServer drive, you cannot cycle through the functions repeatedly. Once you cycle through all of the
available functions and are back at 0, the drive will automatically exit maintenance mode. If there has been no
action for 15 SECONDS while in maintenance mode, the eServer drive will automatically exit.
2. If an error is detected, the SCD shows an error code but still exits maintenance mode. To determine the error, locate the
code in Error Codes and Messages. To clear the error, turn the power off, then on again.
Function Code 0: Maintenance Mode
Function Code 0 makes the drive available for running drive diagnostics or maintenance functions (see Entering Maintenance
Mode and Exiting Maintenance Mode).
The drive exits Maintenance Mode automatically after it completes a maintenance function or after 10 minutes if no action has
occurred.
Function Code 1: Run Drive Diagnostics
Function Code 1 runs tests that determine whether the drive can properly load and unload cartridges and read and write data.
The diagnostic test on the 7226 drive feature drive runs 10 loops with each loop taking approximately 20 minutes to complete.
The diagnostic test on the eServer drive runs a single loop and takes approximately 4 minutes to complete.
Once you begin this test, the diagnostics begin the loop sequence. Time the first loop by pressing the Unload Button once to
stop the diagnostics after the completion of the first loop, then record the time it takes for the test to complete. Compare the
recorded time with the Approximate Run Time above. If the test runs successfully but the execution time is significantly longer
than the Approximate Run Time, run Function Code F: Write Performance Test. If the Write Performance Test fails, replace the
media and exit maintenance mode.
Attention: For this test, insert only a scratch (blank) data cartridge or a cartridge that may be overwritten. During the test, the
drive overwrites the data on the cartridge.
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