Dell PowerVault MD3820f - Manual (Page 3)

Contents
1 Introduction..............................................................................................................15
Dell PowerVault Modular Disk Storage Manager .............................................................................. 15
User Interface .......................................................................................................................................15
Enterprise Management Window ....................................................................................................... 16
Inheriting The System Settings ......................................................................................................17
Array Management Window ................................................................................................................17
Dell PowerVault Modular Disk Configuration Utility ..........................................................................18
Other Information You May Need ...................................................................................................... 18
2 About Your MD Series Storage Array................................................................. 21
Physical Disks, Virtual Disks, And Disk Groups ................................................................................... 21
Physical Disks .................................................................................................................................21
Physical Disk States ........................................................................................................................21
Virtual Disks And Disk Groups .......................................................................................................22
Virtual Disk States .......................................................................................................................... 22
Disk Pools ............................................................................................................................................ 23
Thin Virtual Disks .................................................................................................................................23
RAID Levels .......................................................................................................................................... 23
Maximum Physical Disk Support Limitations ............................................................................... 23
RAID Level Usage .......................................................................................................................... 24
RAID 0 ............................................................................................................................................24
RAID 1 .............................................................................................................................................24
RAID 5 ............................................................................................................................................ 24
RAID 6 ............................................................................................................................................ 24
RAID 10 .......................................................................................................................................... 25
Segment Size .......................................................................................................................................25
Virtual Disk Operations ....................................................................................................................... 25
Virtual Disk Initialization ................................................................................................................ 25
Consistency Check ........................................................................................................................25
Media Verification ..........................................................................................................................26
Cycle Time .....................................................................................................................................26
Virtual Disk Operations Limit ........................................................................................................ 26
Disk Group Operations ....................................................................................................................... 26
RAID Level Migration .....................................................................................................................26
Segment Size Migration .................................................................................................................27
Virtual Disk Capacity Expansion ....................................................................................................27
Disk Group Expansion ................................................................................................................... 27
Disk Group Defragmentation ........................................................................................................27