Chapter 8—Configuring and Using Media Lifecycle Management Media Lifecycle Management Overview
August 2017 User Guide—Spectra T50e Library
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Whenacartridgeisnearingtheendofitsuseful life,MLMnotifiesyouso
thatyoucanhaveanotheronhandtoreplaceit.Thisearlynotification
helpsprev ent failedcleaningsresultingfromusinganexpiredcleaning
cartridge.SeeEnablingMLMandConfiguringGlobalSettingsonpage235
forinformationaboutsettingthethresholdforgeneratingthenotification.
Expired MLM-Enabled Cleaning Cartridges EachtimeanMLM‐enabled
cleaningcartridgeisusedinadrive,thedriv e decrementsthenumberof
cleansremainingonthecartridge.Whenthe cartridgeisunloadedfr omthe
drive,MLMreadsthenumberofcleansremainingfromthecartridge
MAM.Whenthenumberofcleansremainingreacheszero,the
library flags
thecartridgeasexpiredanddoesnotattempttousethecartridgeagain.
Becausethelibrarydoesnotneedtoloadacleaningcartridgeintoadriveto
determinethatitisexpired,cleaningfailuresduetoanexpiredcartridgeare
eliminated(assumingthecleaningpartitioncontainsagoodcleaning
cartridge).Informationaboutanexpiredcleaningcartridgeremainsinthe
MLMdatabaseevenafterthecartridgeisexportedfromthelibrary.
Expired Non-MLM Cleaning Cartridges WhenMLMisnotenabledorifthe
cleaningcartridgesarenotMLM‐enabled,thelibrarymustloadthe
cleaningcartridgeintoadrivetodeterminewhetheritisexpired.Whenan
expiredcleaningcartridgeisloadedintoadrive,itisimmediatelyejected;
thecleaningfails.Thelibraryflagsthecleaningtapeasexpiredinthe
cartridgeinventoryandgeneratessystemmessagestonotifyyouofthe
expiredcleaningtapeandthefaileddrivecleaning.Thelibrarydoesnot
attempttousetheexpiredcartridgeforsubsequentcleanings.
Thelibrarydoesnotstoreanyinformationaboutnon‐MLMcleaning
cartridgesintheMLMdatabase.Thelibraryretainstheinformationabout
anexpiredcleaningcartridgeforaslongasitremainsinthelibraryoruntil
thelibraryispower‐cycled.Ifanexpirednon‐MLMcartridgeisexported
andthenreimportedintothelibrary,thecartridgemustbeloadedintoa
driveinordertoidentifyitasexpired.
Media Discovery
Overview Importing acartridgeintoapartitiondoesnotaddittotheMLM
database.Thecartridgemustbediscoveredbyloadingitintoandthen
unloadingitfromadriveinordertoaddittotheMLMdatabase.After
discovery,thecartridgeistrackedbyMLMandincludedinMLMreports.