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32 Operation and Maintenance
Normal Operations
General Guidelines
Once your Scalar Library and your choice of application software are installed and configured, you can
automatically perform backup and restore operations through the application software. You do not need to
intervene unless you need to replace cartridges through the Mailbox (Scalar 458 only) or by opening the front door
(Scalar 224/448).
Always follow these general operating guidelines:
p Do not open the front door of the Scalar Library unless you absolutely must. Your library cannot operate when
the door is open and always updates the valid cartridge inventory log when the door has been closed again.
Even if you power down your library, you should keep the door closed to protect the internal components
from dust.
p Use only the recommended types of media cartridges, described earlier in this manual.
p Clean each of the DLT drives once a month, or whenever the Use Cleaning Tape LED is illuminated on a
drive front panel (see the subsection titled Cleaning the Drive Head in the Maintenance section later in this
chapter).
Power Up Checks
When you apply power to your library it will perform the following actions:
l Verifies drive configuration and status.
l Builds a valid cartridge inventory log.
l Calibrates the Media Picker and X -Y position of the robotics.
When the library has completed the Power Up Checks it will automatically place itself in On-Line Mode.
Opening the Front Door
Caution
Do not open the front door unless you need to replace data cartridges
(Scalar 224/448), or perform a maintenance operation.
p Insert the key into the lock and turn it to the left.
Warning
Wait until any current application operations are completed. If the door
is opened during a motion, all motion will stop and an error will be sent
to the application.
p Open the front door.