Dell PowerVault MD3000 - Manual (Page 6)

6
Contents
6 Maintaining a Storage Array
. . . . . . . . . .
91
Routine Maintenance . . . . . . . . . . . . . . . . . . 91
Running a Media Scan . . . . . . . . . . . . . . . 91
Running a Consistency Check . . . . . . . . . . . 93
Resetting a RAID Controller Module . . . . . . . . 94
Enabling RAID Controller Module Data
Transfer
. . . . . . . . . . . . . . . . . . . . . . . 94
Resetting Battery Age . . . . . . . . . . . . . . . 94
Removing Persistent Reservations . . . . . . . . . 94
Synchronizing RAID Controller Module
Clocks
. . . . . . . . . . . . . . . . . . . . . . . . 95
Locating Physical Disks . . . . . . . . . . . . . . 95
Performance Tuning . . . . . . . . . . . . . . . . . . . 95
Monitoring Performance . . . . . . . . . . . . . . 96
Changing RAID Levels . . . . . . . . . . . . . . . 97
Changing Segment Size . . . . . . . . . . . . . . 97
Defragmenting a Disk Group . . . . . . . . . . . . 98
Troubleshooting and Diagnostics . . . . . . . . . . . . 98
Collecting Physical Disk Data . . . . . . . . . . . 98
Diagnosing a RAID Controller Module . . . . . . . 99
Recovery Operations . . . . . . . . . . . . . . . . . . 100
Setting RAID Controller Module
Operational Mode
. . . . . . . . . . . . . . . . . 100
Changing RAID Controller Module
Ownership
. . . . . . . . . . . . . . . . . . . . . 101
Initializing a Physical Disk . . . . . . . . . . . . . 101
Reconstructing a Physical Disk . . . . . . . . . . 102
Initializing a Virtual Disk . . . . . . . . . . . . . . 102
Redistributing Virtual Disks . . . . . . . . . . . . . 103