Spectra T50e - Page 252

Chapter 8—Configuring and Using Media Lifecycle Management Using PostScan
August 2017 User Guide—Spectra T50e Library
250
Updating the MLM Database WhenthePostScanprocessonacartridgeis
complete,thelibrarywritesthescandateandapass/failtestresulttothe
cartridgeMAMandupdatestheMLMdatabasewiththescandate,the
pass/failtestresult,andwhen(orif)thenextscanshouldoccur.Thedrive
thenunloadsthecartridgeandthelibraryreturnsittoitsoriginalslot.The
librarypostsasystemmessageshowingthatthecartridgewasscanned.If
theQuickScanoptionwasused,thelibraryreportsthattheunloadmove
forthebackupoperationthatprecededtheQuickScanoperationis
complete.
QuickScan OneoftheLTO‐4orlatergenerationdrivesinthepartition.QuickScanverifies
allofthedataonasinglewrap,fromthebeginningofthetape(BOT)totheend
ofthewraportheendofrecordeddata(EOD),whichevercomesfirst.
Notes:
 IfaGlobalSparedriveisnotassignedtothepartition,aQuickScanusingone
ofthepartition’sdrivesistheonlyoptionavailable.
 Ifpossible,thelibraryavoidsusingthedrivefromwhichthecartridgewas
mostrecentlyunloadedtoperformtheQuickScan.
 AQuickScanusingapartition’sdriveislimitedtothreeminutes.Ifthe
QuickScanexceedsthistimelimit,theoperationisabortedandthecartridge
isreturnedtoitsslot.ThelibrarypostsamessagestatingthattheQuickScan
failed.UseFullScantoverifythecartridge.
 WhileQuickScanisrunning,allothermovesinthepartitionaredelayeduntil
thescaniscomplete.
QuickScan using a
Global Spare
AnLTO‐4orlatergenerationGlobalSparedrive.QuickScanverifiesallofthe
dataonasinglewrap,fromthebeginningofthetape(BOT)totheendofthe
wraportheendofrec o rdeddata(EOD),whichevercomesfirst.
Notes:
 ThecartridgedoesnotappearontheBlueScaleInventoryscreenwhileitis
beingscanned.Ifthecartridgeisrequestedbythestoragemanagement
softwareitisimmediatelyejectedfromthedrivethatisperformingthe
verificationandmovedtothelocationrequestedbythestoragemanagement
software.Asystemmessage
ispostedtoindicatethattheQuickScan
operationwasinterrupted.Thecartridgeisreturnedtothetopofthe
PostScanqueueandisthefirstoneprocessed afteritisreturnedtoitsslot.
 TheGlobalSparedrivecannotbeactivatedwhileaQuickScanusingGlobal
Sparesisrunning.YoumustfirstpausethePostScanprocess(see
Pausethe
PostScanProcessonpage254).The libraryimmediatelyabortstheQuickScan
currentlyinprogressandreturnsthecartridgetoitsoriginallocation.You
canthenactivatetheGlobalSparedrive(see
UsingaGlobalSpareDriveon
page402).TheabortedQuickScanprocessresumeswhentheGlobalSpare
driveisagainavailable.
 AQuickScanusingaGlobalSparedriveislimitedtotenminutes.Ifthe
QuickScanexceedsthistimelimit,theoperationisabortedandthecartridge
isreturnedtoitsslot.ThelibrarypostsamessagestatingthattheQuickScan
failed.UseFullScantoverifythecartridge.
This PostScan
option...
Uses...