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Appendix C
Specificaties
Appendix D
Fibre Channel technologie
Fibre Channel standaarden ......................................................................................D-1
Voordelen van Fibre Channel..................................................................................D-2
Fibre Channel en externe Storage Systems .............................................................D-2
Point-to-point verbinding .................................................................................D-3
Arbitrated Loop................................................................................................D-4
Gestructureerde indeling voor gegevensoverdracht ................................................D-7
Protocollagen ...................................................................................................D-8
Appendix E
Vaste-schijfarrays
Drivearray ............................................................................................................... E-1
Drivearrays....................................................................................................... E-4
Logische schijfeenheden .................................................................................. E-4
Voordelen van drivearrays ...................................................................................... E-5
Gegevensbeveiliging ........................................................................................ E-5
Verhoging van de prestaties .................................................................................. E-11
Gegevens verdelen en gegevensstriping......................................................... E-11
Array-accelerator ........................................................................................... E-12
Simultane verwerking van I/O-verzoeken...................................................... E-14
Geoptimaliseerd verzoekbeheer ..................................................................... E-14
Opslagcapaciteit uitbreiden ................................................................................... E-15
Online capaciteitsuitbreiding.......................................................................... E-17
Upgrades van vaste schijven .......................................................................... E-18
Andere foutbeheervoorzieningen .......................................................................... E-18
Automatische controle van betrouwbaarheid ................................................. E-18
Dynamisch sectorherstel ................................................................................ E-19
Bijhouden van schijfparameters ..................................................................... E-19
Waarschuwingsvoorzieningen voor schijffouten ........................................... E-19
Tussentijds herstel.......................................................................................... E-19
Automatisch gegevensherstel......................................................................... E-20
Inhoudsopgave vii
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