Users Guide

Supported NIC firmware versions for I/O Identity Optimization..............................................206
Virtual/Flex Address and Persistence Policy behavior when iDRAC is set to Flex Address
mode or Console mode.............................................................................................................206
System behavior for FlexAddress and I/O Identity.................................................................... 208
Enabling or disabling I/O Identity Optimization........................................................................208
Configuring persistence policy settings.................................................................................... 209
13 Managing storage devices............................................................................ 213
Understanding RAID concepts......................................................................................................... 214
What is RAID?...............................................................................................................................215
Organizing data storage for availability and performance........................................................ 216
Choosing RAID levels ................................................................................................................. 216
Comparing RAID level performance.......................................................................................... 223
Supported controllers.......................................................................................................................225
Supported RAID controllers........................................................................................................225
Supported non-RAID controllers............................................................................................... 225
Supported enclosures.......................................................................................................................225
Summary of supported features for storage devices...................................................................... 225
Inventorying and monitoring storage devices.................................................................................228
Monitoring storage devices using web interface.......................................................................228
Monitoring storage devices using RACADM..............................................................................229
Monitoring backplane using iDRAC settings utility....................................................................229
Viewing storage device topology.....................................................................................................229
Managing physical disks................................................................................................................... 229
Assigning or unassigning physical disk as global hot spare...................................................... 230
Converting a physical disk to RAID or non-RAID mode............................................................231
Managing virtual disks.......................................................................................................................232
Creating virtual disks...................................................................................................................232
Editing virtual disk cache policies...............................................................................................234
Deleting virtual disks................................................................................................................... 235
Checking virtual disk consistency.............................................................................................. 235
Initializing virtual disks.................................................................................................................235
Encrypting virtual disks............................................................................................................... 236
Assigning or unassigning dedicated hot spares.........................................................................237
Managing virtual disks using web interface................................................................................237
Managing virtual disks using RACADM.......................................................................................238
Managing controllers........................................................................................................................238
Configuring controller properties.............................................................................................. 239
Importing or auto importing foreign configuration.................................................................. 242
Clearing foreign configuration...................................................................................................244
Resetting controller configuration.............................................................................................244
Switching the controller mode...................................................................................................245
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