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13 Managing Storage Devices........................................................................... 203
Understanding RAID Concepts........................................................................................................204
What Is RAID?..............................................................................................................................205
Organizing Data Storage For Availability And Performance..................................................... 206
Choosing RAID Levels ............................................................................................................... 206
Comparing RAID Level Performance..........................................................................................213
Supported Controllers.......................................................................................................................215
Supported RAID Controllers........................................................................................................215
Supported Non-RAID Controllers...............................................................................................215
Supported Enclosures.......................................................................................................................215
Summary of Supported Features for Storage Devices.....................................................................215
Inventory and Monitoring Storage Devices......................................................................................218
Monitoring Storage Device Using Web Interface.......................................................................218
Monitoring Storage Device Using RACADM...............................................................................219
Monitoring Backplane Using iDRAC Settings Utility.................................................................. 219
Viewing Storage Device Topology................................................................................................... 219
Managing Physical Disks...................................................................................................................219
Assigning or Unassigning Physical Disk as Global Hot spare.................................................... 219
Convert To RAID Capable Disk.................................................................................................. 220
Convert To Non-RAID Disk.........................................................................................................221
Managing Virtual Disks......................................................................................................................221
Creating Virtual Disks.................................................................................................................. 221
Editing Virtual Disk Cache Policies.............................................................................................223
Deleting Virtual Disks..................................................................................................................224
Checking Virtual Disk Consistency.............................................................................................224
Initializing Virtual Disks............................................................................................................... 225
Encrypting Virtual Disks..............................................................................................................226
Assigning or Unassigning Dedicated Hot Spares.......................................................................226
Managing Virtual Disks Using Web Interface.............................................................................226
Managing Virtual Disks Using RACADM..................................................................................... 227
Managing Controllers....................................................................................................................... 227
Configuring Controller Properties..............................................................................................228
Importing or Auto Importing Foreign Configuration.................................................................231
Clearing Foreign Configuration..................................................................................................232
Resetting Controller Configuration............................................................................................233
12Gbps SAS HBA Adapter Operations........................................................................................234
Monitoring Predictive Failure Analysis On Drives......................................................................234
Controller Operations in Non-RAID (HBA) Mode......................................................................235
Running RAID Configuration Jobs On Multiple Storage Controllers........................................235
Managing PCIe SSDs.........................................................................................................................235
Inventory and Monitoring PCIe SSDs.........................................................................................236