Quantum Scalar i40 User's Guide Page 264

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Chapter 9: Updating Firmware
Updating Library Firmware
236 Quantum Scalar i40 and Scalar i80 User’s Guide
Before updating library firmware, it is recommended that you capture
the library snapshot. The library snapshot file saves status information
and trace logs for library components. This information helps technical
support troubleshoot issues that might occur with the firmware
upgrade. For more information, see
Capturing Snapshots of Library
Information on page 253.
In addition, it is recommended that you save the library configuration
before upgrading the library (in case the upgrade fails) and again after
the upgrade successfully completes. For more information, see
Saving
the Library Configuration on page 106.
When you upgrade or downgrade library firmware, the library also
autolevels tape drive firmware, if needed. Autoleveling will not occur if
a tape drive has a cartridge loaded in it. Make sure to unload all tape
drives before updating library firmware. See
Updating and Autoleveling
Tape Drive Firmware on page 240.
The library automatically restarts after the firmware update is complete.
Before logging into the library, clear the Web browser cache. See your
Web browser's documentation for instructions on how to clear the
cache.
Caution: After the update process starts, you must wait until it
completes. Do not attempt to interrupt the process in any
way, and do not power cycle the library. Loss of data or
library operability could occur.
Note: If you downgrade library firmware to an earlier version using
the firmware upgrade process, library configuration settings
will be reset to the factory defaults (see
Resetting Factory
Defaults on page 270). You must manually reconfigure your
library’s settings. You can also downgrade library firmware by
restoring a configuration file that contains the version of
firmware to which you want to downgrade (see
Restoring the
Library Configuration on page 107).
After downgrading, network settings are not reset, and
licenses remain—as long as the downgraded firmware version
supports that licensed feature
You can only update firmware from the Web client.
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