Dell PowerVault MD3220 Owner's Manual page 4

4 Planning: MD3200 Series Storage
Array Terms and Concepts
4
Contents
RAID Controller Module Connectors and Features
RAID Controller Module-Additional Features
Battery Backup Unit
Storage Array Thermal Shutdown
System Password Reset
Cache Functions and Features
Cache Mirroring
Write-Back Cache
Write-Through Cache
Physical Disks, Virtual Disks, and Disk Groups
Physical Disks
Physical Disk States
Self-Monitoring Analysis and Reporting
Technology
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Virtual Disks and Disk Groups
Virtual Disk States
RAID Levels
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RAID Level Usage
Segment Size
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Virtual Disk Operations
Virtual Disk Initialization
Background Initialization
Foreground Initialization
Consistency Check
Media Verification
Cycle Time
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