Setting the write-protect switch (FC 5746)
You might need to set the write-protect switch on the media. Use the information in this topic to perform
this task.
Attention: Do not attempt to change the write-protect settings after the tape cartridge is loaded in the
drive because this might cause unpredictable results and might damage the tape or the drive.
The position of the write-protect switch on the tape cartridge determines when you can write to the tape.
Before loading cartridges into magazines, set the write-protect switch of each cartridge to enable or
disable data recording. When the switch is set to the left, data can be written to the tape. When the
switch is set to the right, data cannot be written to the tape.
Cleaning the tape drive (FC 5746)
You will need to clean your tape drive. Use the procedure in this topic to perform this task.
Clean the device whenever the Fault status light comes on andaCisdisplayed in the single-character
display (SCD), or when a system I/O error occurs that is related to the device.
Attention: Use only the recommended cleaning cartridge to clean the tape drive. Use of other than the
recommended cleaning cartridges can damage your drive and might void the warranty.
The tape drive will set the cleaning indicator when one of the following conditions occurs:
v The tape drive exceeds internal preset error thresholds in the drive.
v The tape drive exceeds the maximum recommended time between cleaning.
This is an internal drive calculation where the drive maintains information on the amount of data
written and read and when this value reaches a total of approximately 20 full tape writes or reads the
drive will request cleaning. The cleaning indicator will be turned on when the tape is ejected.
v There is a write or read failure of the tape drive to the data cartridge.
Note: When a cleaning cartridge that has been used the maximum number of times is inserted in the
drive, the drive will turn on the fault indicator. The SCD displays 6 or 7 to indicate that the cleaning
process is not done and the cleaning cartridge is no longer usable. If the fault indicator was on and a C
was in the SCD prior to the cleaning process, the indicators will stay on after the depleted cleaning
14 Managing devices
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