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Chapter 15: Managing storage devices...................................................................................... 200
Understanding RAID concepts..................................................................................................................................... 201
What is RAID............................................................................................................................................................... 201
Organizing data storage for availability and performance.............................................................................. 202
Choosing RAID levels .............................................................................................................................................. 203
Comparing RAID level performance......................................................................................................................208
Supported controllers.................................................................................................................................................... 209
Supported enclosures.....................................................................................................................................................210
Summary of supported features for storage devices.............................................................................................210
Inventorying and monitoring storage devices...........................................................................................................214
Monitoring storage devices using web interface............................................................................................... 214
Monitoring storage devices using RACADM....................................................................................................... 215
Monitoring backplane using iDRAC settings utility............................................................................................215
Viewing storage device topology.................................................................................................................................215
Managing physical disks.................................................................................................................................................215
Assigning or unassigning physical disk as global hot spare..............................................................................216
Converting a physical disk to RAID or non-RAID mode.................................................................................... 217
Erasing physical disks................................................................................................................................................217
Erasing SED device data.......................................................................................................................................... 218
Rebuild Physical Disk.................................................................................................................................................219
Managing virtual disks.................................................................................................................................................... 219
Creating virtual disks................................................................................................................................................220
Editing virtual disk cache policies.......................................................................................................................... 221
Deleting virtual disks.................................................................................................................................................222
Checking virtual disk consistency......................................................................................................................... 222
Initializing virtual disks..............................................................................................................................................222
Encrypting virtual disks............................................................................................................................................223
Assigning or unassigning dedicated hot spares................................................................................................. 223
Managing virtual disks using web interface........................................................................................................226
Managing virtual disks using RACADM................................................................................................................ 227
RAID Configuration Features........................................................................................................................................227
Managing controllers......................................................................................................................................................228
Configuring controller properties.......................................................................................................................... 228
Importing or auto importing foreign configuration............................................................................................ 231
Clearing foreign configuration................................................................................................................................232
Resetting controller configuration........................................................................................................................ 233
Switching the controller mode...............................................................................................................................233
12 Gbps SAS HBA adapter operations................................................................................................................. 235
Monitoring predictive failure analysis on drives.................................................................................................235
Controller operations in non-RAID mode or HBA mode...................................................................................235
Running RAID configuration jobs on multiple storage controllers................................................................. 236
Manage Preserved cache........................................................................................................................................236
Managing PCIe SSDs..................................................................................................................................................... 236
Inventorying and monitoring PCIe SSDs..............................................................................................................237
Preparing to remove PCIe SSD..............................................................................................................................237
Erasing PCIe SSD device data............................................................................................................................... 239
Managing enclosures or backplanes...........................................................................................................................240
Configuring backplane mode.................................................................................................................................. 240
Viewing universal slots.............................................................................................................................................243
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