Dell PowerVault MD3420 - Manual (Page 7)

Performance Tuning ..........................................................................................................................118
Monitoring Performance ............................................................................................................. 118
Changing RAID Levels ................................................................................................................. 119
Changing Segment Size .............................................................................................................. 119
Defragmenting A Disk Group ......................................................................................................120
Using SSD Cache ...............................................................................................................................120
Enabling SSD Cache For A Virtual Disk .......................................................................................120
Creating SSD Cache .....................................................................................................................121
Adding Physical Disks To Existing SSD Cache ............................................................................ 121
Removing Physical Disks From Existing SSD Cache ...................................................................121
SSD Cache Performance Modeling .............................................................................................121
Additional Information About SSD Cache And Performance Modeling ................................... 122
Troubleshooting and Diagnostics .................................................................................................... 122
Collecting Physical Disk Data ......................................................................................................122
Diagnosing A RAID Controller Module ....................................................................................... 122
Recovery Operations .........................................................................................................................123
Setting RAID Controller Module Operational Mode .................................................................. 123
Changing RAID Controller Module Ownership ..........................................................................124
Initializing A Physical Disk ........................................................................................................... 124
Reconstructing A Physical Disk ...................................................................................................124
Initializing A Virtual Disk .............................................................................................................. 125
Redistributing Virtual Disks .........................................................................................................125
11 Script Commands................................................................................................127
Command Formatting Rules .............................................................................................................127
Firmware Compatibility Levels ..........................................................................................................129
Commands Listed By Function .........................................................................................................129
Disk Group Commands ...............................................................................................................129
Enclosure Commands .................................................................................................................129
Host Topology Commands ........................................................................................................ 130
iSCSI Commands .........................................................................................................................130
Physical Disk Commands ............................................................................................................130
RAID Controller Module Commands ..........................................................................................131
Remote Replication Commands ................................................................................................. 131
Session Command ...................................................................................................................... 132
Show String Command ............................................................................................................... 132
Snapshot Commands ..................................................................................................................132
SSD Cache Commands ...............................................................................................................133
Storage Array Commands ........................................................................................................... 133
Virtual Disk Commands ...............................................................................................................134
Virtual Disk Copy Commands .....................................................................................................135