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CHAPTER 10
Using Drive Lifecycle Management
ThischapterdescribeshowtouseBlueScaleDriveLifecycleManagement
toproactivelymonitorthehealthofthedrivesinyourlibrary.
BLUESCALE DRIVE LIFECYCLE MANAGEMENT
Overview BlueScaleDriveLifecycleManagementworksinconjunction
withMLMtohelpyouidentifydrivesthatexperienceahighnumberof
errorsorotherproblemsduringoperation.
Eachtimeacartridgeisunloadedfromadrive,thelibrarycollectsthe
mediahealthdatafromthedrive.Thisdataincludesread/writeerrors,
tapealerts,andflagsgeneratedduringthetimethemostrecentcartridge
wasloadedinthedrive.Italsoincludesthecurrentvalueforthedrive’s
singlecharacterdisplay(SCD)andanyerrorsdetectedatthetimethe
cartridgeisunloaded.Allofthisdata,plustheMLMdataforthe50most
recentlyloadedcartridges,isstoredintheDLMdatabase.Thisdataisused
togenerateanoveralldrivehealthstatusforthelibrary,aswellashealth
reportsforeachindividualdrive.
Enabling DLM BlueScaleDriveLifecycleManagement(DLM)is
automaticallyenabledwhenMediaLifecycleManagement(MLM)is
enabledandcannotbeusedwithoutMLM.SeeChapter9–Configuring
andUsingMediaLifecycleManagement,beginningonpage276for
detailedinformationaboutenablingandusingMLM.
Topic
BlueScaleDriveLifecycleManagement thispage
MonitoringDriveHealthUsingDLM page323
UsingtheDriveHealthIcons page324
ViewingandSavingaDetailedDriveHealth
Report
page326
DownloadingtheDLMDatabase page328