Expired MLM-Enabled Cleaning Cartridges
Each time an MLM-enabled cleaning cartridge is used in a drive, the drive decrements
the number of cleans remaining on the cartridge. When the cartridge is unloaded from
the drive, MLM reads the number of cleans remaining from the cartridge MAM.
When the number of cleans remaining reaches zero, the library flags the cartridge as
expired and does not attempt to use the cartridge again. Because the library does not
need to load a cleaning cartridge into a drive to determine that it is expired, cleaning
failures due to an expired cartridge are eliminated (assuming the cleaning partition
contains a good cleaning cartridge). Information about an expired cleaning cartridge
remains in the MLM database even after the cartridge is exported from the library.
Expired Non-MLM Cleaning Cartridges
If a cleaning cartridges is not MLM-enabled, the library must load the cleaning
cartridge into a drive to determine whether it is expired. When an expired cleaning
cartridge is loaded into a drive, it is immediately ejected; the cleaning fails. The
library does not attempt to use the expired cartridge for subsequent cleanings.
The library retains the information about an expired cleaning cartridge for as long as
it remains in the library or until the library is power-cycled. If an expired non-MLM
cartridge is exported and then reimported into the library, the cartridge must be
loaded into a drive in order to identify it as expired.
Additional MLM Features
In addition to the features described in the previous sections, MLM provides the
following features (listed in alphabetical order):
Database Management
Management tools let you manually delete tape records from the MLM database when
the tape is retired or permanently exported from the library. You can also download
the MLM database as a comma-separated-value (CSV) file and open the file in any
software application that supports this type of file (for example, spreadsheet
software).
JANUARY 2023 173
SPECTRA STACK LIBRARY
USER GUIDE
CHAPTER 6 - CONFIGURING AND USING MEDIA LIFECYCLE MANAGEMENT
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