Dell Planning MD3200 Series Storage Array Terms and Concepts, Cache Functions and Features

4

RAID Controller Module Connectors and Features . . .	30
RAID Controller Module—Additional Features	32
Battery Backup Unit	32
Storage Array Thermal Shutdown	33
System Password Reset	33
Cache Functions and Features	34
Cache Mirroring	34
Write-Back Cache	34
Write-Through Cache	34

4Planning: MD3200 Series Storage

Array Terms and Concepts . . . . . . . . . . . 35

Physical Disks, Virtual Disks, and Disk Groups	35
Physical Disks	36
Physical Disk States	36
Self-Monitoring Analysis and Reporting
Technology	37
Virtual Disks and Disk Groups	37
Virtual Disk States	38

RAID Levels	38
RAID Level Usage	39
Segment Size	41
Virtual Disk Operations	41
Virtual Disk Initialization	41
Background Initialization	41
Foreground Initialization	41
Consistency Check	42
Media Verification	42
Cycle Time	42

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