Dell PowerVault MD3200i Owner's Manual - Page 4
Planning: RAID Controller Modules, Planning: MD3200i Series Storage, Array Terms and Concepts - backup
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3 Planning: RAID Controller Modules. . . . 31 RAID Controller Modules 31 RAID Controller Module Connectors and Features . . . 32 RAID Controller Module-Additional Features . . . . . 34 Battery Backup Unit 34 Storage Array Thermal Shutdown 34 System Password Reset 35 Cache Functions and Features 35 Cache Mirroring 35 Write-Back Cache 35 Write-Through Cache 36 4 Planning: MD3200i Series Storage Array Terms and Concepts 37 Physical Disks, Virtual Disks, and Disk Groups . . . . . 37 Physical Disks 37 Physical Disk States 38 Self-Monitoring Analysis and Reporting Technology 39 Virtual Disks and Disk Groups 39 Virtual Disk States 40 RAID Levels 40 RAID Level Usage 41 Segment Size 42 Virtual Disk Operations 43 Virtual Disk Initialization 43 Background Initialization 43 Foreground Initialization 43 4 Contents