Dell PowerVault MD3620f - Page 7

Contents 7
7 Maintaining a Storage Array. . . . . . . . . 115
Routine Maintenance . . . . . . . . . . . . . . . . . . 115
Running a Media Scan
. . . . . . . . . . . . . . . 115
Running a Consistency Check
. . . . . . . . . . . 117
Resetting a RAID Controller Module . . . . . . . . 118
Enabling RAID Controller
Module Data Transfer
. . . . . . . . . . . . . . . 118
Resetting Battery Age . . . . . . . . . . . . . . . 118
Removing Persistent Reservations
. . . . . . . . . 118
Synchronizing RAID
Controller Module Clocks. . . . . . . . . . . . . . 119
Locating Physical Disks
. . . . . . . . . . . . . . . 119
Performance Tuning
. . . . . . . . . . . . . . . . . . . 120
Monitoring Performance
. . . . . . . . . . . . . . 120
Changing RAID Levels
. . . . . . . . . . . . . . . 121
Changing Segment Size
. . . . . . . . . . . . . . 121
Defragmenting a Disk Group . . . . . . . . . . . . 122
Troubleshooting and Diagnostics
. . . . . . . . . . . . 123
Collecting Physical Disk Data
. . . . . . . . . . . . 123
Diagnosing a RAID Controller Module
. . . . . . . 123
Recovery Operations
. . . . . . . . . . . . . . . . . . . 124
Setting RAID Controller
Module Operational Mode
. . . . . . . . . . . . . 124
Changing RAID Controller
Module Ownership . . . . . . . . . . . . . . . . . 126
Initializing a Physical Disk
. . . . . . . . . . . . . 126
Reconstructing a Physical Disk
. . . . . . . . . . . 127
Initializing a Virtual Disk
. . . . . . . . . . . . . . 127
Redistributing Virtual Disks
. . . . . . . . . . . . . 128
book.book Page 7 Wednesday, June 8, 2011 12:20 PM