Supported NIC firmware versions for I/O Identity Optimization................................................................... 176
Virtual/Flex Address and Persistence Policy behavior when iDRAC is set to Flex Address mode or
Console mode......................................................................................................................................................... 176
System behavior for FlexAddress and I/O Identity............................................................................................177
Enabling or disabling I/O Identity Optimization.................................................................................................. 178
Configuring persistence policy settings................................................................................................................179
Chapter 13: Managing storage devices....................................................................................... 182
Understanding RAID concepts..................................................................................................................................... 183
What is RAID?.............................................................................................................................................................183
Organizing data storage for availability and performance............................................................................... 184
Choosing RAID levels ............................................................................................................................................... 185
Comparing RAID level performance....................................................................................................................... 191
Supported controllers..................................................................................................................................................... 192
Supported enclosures..................................................................................................................................................... 193
Summary of supported features for storage devices............................................................................................. 193
Inventorying and monitoring storage devices...........................................................................................................195
Monitoring storage devices using web interface............................................................................................... 195
Monitoring storage devices using RACADM....................................................................................................... 195
Monitoring backplane using iDRAC settings utility............................................................................................196
Viewing storage device topology.................................................................................................................................196
Managing physical disks.................................................................................................................................................196
Assigning or unassigning physical disk as global hot spare............................................................................. 196
Converting a physical disk to RAID or non-RAID mode.................................................................................... 197
Managing virtual disks.................................................................................................................................................... 198
Creating virtual disks................................................................................................................................................ 198
Editing virtual disk cache policies......................................................................................................................... 200
Deleting virtual disks................................................................................................................................................ 200
Checking virtual disk consistency..........................................................................................................................201
Initializing virtual disks.............................................................................................................................................. 201
Encrypting virtual disks............................................................................................................................................202
Assigning or unassigning dedicated hot spares................................................................................................. 202
Managing virtual disks using web interface........................................................................................................202
Managing virtual disks using RACADM................................................................................................................203
Managing controllers......................................................................................................................................................204
Configuring controller properties.......................................................................................................................... 204
Importing or auto importing foreign configuration............................................................................................206
Clearing foreign configuration............................................................................................................................... 208
Resetting controller configuration........................................................................................................................ 208
Switching the controller mode...............................................................................................................................209
12 Gbps SAS HBA adapter operations..................................................................................................................210
Monitoring predictive failure analysis on drives.................................................................................................. 211
Controller operations in non-RAID (HBA) mode................................................................................................. 211
Running RAID configuration jobs on multiple storage controllers...................................................................211
Managing PCIe SSDs.......................................................................................................................................................211
Inventorying and monitoring PCIe SSDs.............................................................................................................. 212
Preparing to remove PCIe SSD.............................................................................................................................. 213
Erasing PCIe SSD device data................................................................................................................................ 214
Managing enclosures or backplanes........................................................................................................................... 215
Configuring backplane mode...................................................................................................................................215
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