
Avid
®
Unity™MediaNetwork5SystemMaintenance–Rev.B
Avid Technology EMEA | Enterprise Customer Success Page20of21
Appendix 5 - Making a Metadata back-up
EarlierversionsofAvid®Unity™MediaNetworkemployedamechanismwherebythemetadata(the
informationdescribingthelocationofallfilesstoredontheDataDriveSet)wasperiodicallywrittentothe
datadrivesthemselves.
Inordertomaximisemediaread/writeperformance,MediaNetwork5insteads avesthreeindividualcopiesof
themetadata
toaseparatepartitionontheinternalsystemdrivewhichisaredundantmirroredpairofdriv es
controlledbyahardwareRAIDcontroller.Thispartitionismountedas“AVIDO NLY”intherootoftheD:drive
asshowninFig.20below:
Fig.20–The“AVIDONLY”metadatapartition
Thethreemetadatafilesthemselves areindexedinthefilePartitionDump.binwhichisfound,alongwithit’s
back‐upcopyandthefilescontainingthedrivelabels(seeAppendix3
)inthefolderD:\ProgramFiles\Avid
Technology\AvidUnityasshowninFig.21below:
Fig21–MetadataIndexandDriveLabelsfiles
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