ivTable of ContentsTable of ContentsChapter 1 Introduction ..................................................1Chapter 2 Features.........................................................3Chapter 3 Functional Description.................................7RAID Management .......................................................................... 7What are the RAID levels? ................................................. 7NRAID Disk Spanning ...................................................8JBOD Single Drive Control............................................9RAID 0 Disk Stripping....................................................9RAID 1 Disk Mirroring .................................................10RAID (0+1) Disk Striping with Mirroring ......................11RAID 3 Disk Striping with Dedicated Parity Disk.........12RAID 5 Striping with Interspersed Parity .....................13Drive Failure Management ............................................................ 14Global and Local Spare Drive........................................... 14Identifying Drives .............................................................. 16Automatic Rebuild and Manual Rebuild ........................... 18Automatic Rebuild .......................................................18Manual Rebuild ...........................................................19Concurrent Rebuild in RAID (0+1).................................... 20Disk Array Parameters .................................................................. 21Rebuild Priority ................................................................. 21Verify-after-Write .............................................................. 21Cache Parameters......................................................................... 23
