Dell POWERVAULT MD3600F - Manual (Page 4)

4 Contents
RAID Controller Module Connectors and Features . . . 34
Host Channel LED Link/Rate Indications . . . . . . . . 36
RAID Controller Module—Additional Features . . . . . 36
Battery Backup Unit
. . . . . . . . . . . . . . . .
36
Storage Array Thermal Shutdown . . . . . . . . . 37
System Password Reset . . . . . . . . . . . . . . 37
Cache Functions and Features
. . . . . . . . . . . . . .
37
Cache Mirroring . . . . . . . . . . . . . . . . . . . 37
Write–Back Cache
. . . . . . . . . . . . . . . . .
38
Write–Through Cache
. . . . . . . . . . . . . . .
38
SFP Transceivers, Fiber Optic, and SAS Cables . . . . . 38
Interoperability of 2 Gbps, 4 Gbps,
and 8 Gbps Devices
. . . . . . . . . . . . . . . . . . . 40
4 Planning: MD3600f Series Storage
Array Terms and Concepts
. . . . . . . . . . .
41
Physical Disks, Virtual Disks, and Disk Groups . . . . . 41
Physical Disks
. . . . . . . . . . . . . . . . . . . .
42
Physical Disk States . . . . . . . . . . . . . . . . 42
Self-Monitoring Analysis and
Reporting Technology . . . . . . . . . . . . . . . . 43
Virtual Disks and Disk Groups . . . . . . . . . . . 43
Virtual Disk States . . . . . . . . . . . . . . . . . 44
RAID Levels . . . . . . . . . . . . . . . . . . . . . . . . 45
RAID Level Usage
. . . . . . . . . . . . . . . . . .
45
Segment Size . . . . . . . . . . . . . . . . . . . . . . . 47
Virtual Disk Operations . . . . . . . . . . . . . . . . . 47
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