15 Managing storage devices........................................................................................................ 190
Understanding RAID concepts..........................................................................................................................................191
What is RAID..................................................................................................................................................................191
Organizing data storage for availability and performance...................................................................................... 192
Choosing RAID levels ..................................................................................................................................................193
Comparing RAID level performance...........................................................................................................................198
Supported controllers........................................................................................................................................................199
Supported enclosures........................................................................................................................................................199
Summary of supported features for storage devices.................................................................................................. 200
Inventorying and monitoring storage devices................................................................................................................204
Monitoring storage devices using web interface.................................................................................................... 204
Monitoring storage devices using RACADM........................................................................................................... 205
Monitoring backplane using iDRAC settings utility................................................................................................. 205
Viewing storage device topology.................................................................................................................................... 205
Managing physical disks................................................................................................................................................... 205
Assigning or unassigning physical disk as global hot spare.................................................................................... 205
Converting a physical disk to RAID or non-RAID mode..........................................................................................206
Erasing physical disks..................................................................................................................................................207
Erasing SED device data.............................................................................................................................................207
Rebuild Physical Disk...................................................................................................................................................209
Managing virtual disks...................................................................................................................................................... 209
Creating virtual disks...................................................................................................................................................209
Editing virtual disk cache policies................................................................................................................................211
Deleting virtual disks.....................................................................................................................................................211
Checking virtual disk consistency.............................................................................................................................. 212
Initializing virtual disks..................................................................................................................................................212
Encrypting virtual disks................................................................................................................................................212
Assigning or unassigning dedicated hot spares........................................................................................................213
Managing virtual disks using web interface..............................................................................................................215
Managing virtual disks using RACADM..................................................................................................................... 216
RAID Configuration Features............................................................................................................................................216
Managing controllers......................................................................................................................................................... 217
Configuring controller properties................................................................................................................................217
Importing or auto importing foreign configuration...................................................................................................219
Clearing foreign configuration....................................................................................................................................220
Resetting controller configuration..............................................................................................................................221
Switching the controller mode................................................................................................................................... 221
12 Gbps SAS HBA adapter operations......................................................................................................................223
Monitoring predictive failure analysis on drives.......................................................................................................223
Controller operations in non-RAID mode or HBA mode......................................................................................... 223
Running RAID configuration jobs on multiple storage controllers......................................................................... 224
Manage Preserved cache...........................................................................................................................................224
Managing PCIe SSDs........................................................................................................................................................224
Inventorying and monitoring PCIe SSDs.................................................................................................................. 225
Preparing to remove PCIe SSD................................................................................................................................. 226
Erasing PCIe SSD device data................................................................................................................................... 227
Managing enclosures or backplanes............................................................................................................................... 228
Configuring backplane mode......................................................................................................................................228
Viewing universal slots.................................................................................................................................................231
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