Users Guide

Supported NIC firmware versions for I/O Identity Optimization..............................................205
Virtual/Flex Address and Persistence Policy behavior when iDRAC is set to Flex Address
mode or Console mode............................................................................................................. 205
System behavior for FlexAddress and I/O Identity.................................................................... 206
Enabling or disabling I/O Identity Optimization........................................................................ 207
Configuring persistence policy settings.................................................................................... 208
13 Managing storage devices............................................................................ 212
Understanding RAID concepts......................................................................................................... 213
What is RAID?.............................................................................................................................. 214
Organizing data storage for availability and performance........................................................ 215
Choosing RAID levels ................................................................................................................. 215
Comparing RAID level performance.......................................................................................... 222
Supported controllers.......................................................................................................................224
Supported RAID controllers........................................................................................................224
Supported non-RAID controllers............................................................................................... 224
Supported enclosures.......................................................................................................................224
Summary of supported features for storage devices......................................................................224
Inventorying and monitoring storage devices.................................................................................227
Monitoring storage devices using web interface.......................................................................228
Monitoring storage devices using RACADM..............................................................................228
Monitoring backplane using iDRAC settings utility....................................................................228
Viewing storage device topology.....................................................................................................228
Managing physical disks................................................................................................................... 228
Assigning or unassigning physical disk as global hot spare...................................................... 229
Converting a physical disk to RAID or non-RAID mode........................................................... 230
Managing virtual disks....................................................................................................................... 231
Creating virtual disks................................................................................................................... 231
Editing virtual disk cache policies...............................................................................................233
Deleting virtual disks................................................................................................................... 234
Checking virtual disk consistency.............................................................................................. 234
Initializing virtual disks.................................................................................................................235
Encrypting virtual disks............................................................................................................... 236
Assigning or unassigning dedicated hot spares.........................................................................236
Managing virtual disks using web interface............................................................................... 236
Managing virtual disks using RACADM.......................................................................................237
Managing controllers........................................................................................................................238
Configuring controller properties.............................................................................................. 238
Importing or auto importing foreign configuration...................................................................241
Clearing foreign configuration...................................................................................................243
Resetting controller configuration.............................................................................................244
Switching the controller mode.................................................................................................. 244
10