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
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