Spectra T50e - Page 231

Chapter 8—Configuring and Using Media Lifecycle Management Media Lifecycle Management Overview
August 2017 User Guide—Spectra T50e Library
229
Media Health Score Theinitialload/unloadduringdiscoveryestablishes
aninitialmediahealthscoreforeachcartridgeandaddsthisinformation
totheMLMdatabase.Thisinitialhealthscoremaynotaccuratelyreflect
theactualhealthofthemedia.Thehealthscorestabilizesandbecomes
moreaccurateafterthefirstfourloads/unloadsascurrentusagestatistics
areupdatedandusedinthetape’shealthscoring.
MLM Health Reports MLMreportsletyoureviewimportanthealth
informationabouteveryMLM‐enableddatatapeandcleaningtapeinyour
library.YoucangeneratecomprehensivehealthreportsfortheMLM‐
enabledmediainthewholelibraryorinanindividualpartition.Youcan
alsogeneratemoredetailedreportswithinformationaboutcompression
ratios,loadcounts,writeerrors,remainingcapacity,encryptionstatus,and
more.
TheMLMreportshelpyouidentifytapeswithhigherrorratesorother
problems(forexample,adroppedleaderpin)thatposearisktoprotecting
yourdata.Thesetapescanthenberemovedbeforetheycausedata
corruptionorotherproblems.SeeGenerateMLMReportsonpage255for
detailedinformationaboutthetypesofreportsyoucangenerate.
MLM Database Management AfteracartridgeisaddedtotheMLM
database,itsMLMdataremainsinthedatabaseevenifthecartridgeis
exportedfromthelibrary.Ifthecartridgeislaterreimported,theMLM
databaseisupdatedtoreflectanynewinformationobtainedfromthe
cartridgeMAM.Whenacartridgeispermanentlyremovedfromservice,it
canbemanuallydeletedfromthedatabase.
TheMLMdatabaseisrestrictedtoamaximumof100records. Eachrecord
correspondstoacartridgewithauniquebarcodelabel.Whenanew
cartridge,beyondthe100alreadyinthedatabase,isimportedintothe
library,therecordfortheleastrecentlyexportedcartridgeisautomatically
deletedfromthedatabase.TheExportDatetrackedbyMLMdetermines
whichrecordisdeleted.Thelibrarydoesnotnotifyyouwhenitreachesthe
maximumnumberofrecords.
Toensureth atyouhav eacomple terecordofallthecartridgesthatareused
inthelibrary,regularlygenerateandexportaMediaHealthreportforthe
entirelibrary(see
UsingMLMReportingonpage255).Whenacartridgeis
retiredorpermanently exportedfromth elibrary,itsrecordcanbedeleted
fromtheMLM database.Recordsca nbedeletedindividuallyorasagroup
(seeDeleteMLMRecordsFromtheDatabaseonpage268).
Ifdesired,theinformationintheMLMdatabasecanbeexportedtoa
commaseparatedvalue(CSV)file,whichcanthenbeimportedinto
MicrosoftExcel
®
orothersoftwareapplicationsthatsupportthisfiletype
(see
DownloadtheMLMDatabaseforAnalysisandArchivingon
page270).