Users Guide

ManualsBrandsDell ManualsConverged InfrastructurePowerEdge RAID Controller H840

Chapter 1: Overview...................................................................................................................... 8

Supported operating systems...........................................................................................................................................8

PERC card specifications.................................................................................................................................................. 9

Management applications for PERC cards.................................................................................................................. 10

Comprehensive Embedded Management...............................................................................................................10

Dell OpenManage Storage Management................................................................................................................10

Chapter 2: Getting Started...........................................................................................................11

PERC H345 front card...................................................................................................................................................... 11

PERC H345 adapter.......................................................................................................................................................... 12

PERC H740P adapter........................................................................................................................................................12

PERC H745 front card......................................................................................................................................................13

PERC H745 adapter.......................................................................................................................................................... 14

PERC H745P MX card......................................................................................................................................................14

PERC H840 adapter card.................................................................................................................................................15

Chapter 3: Features..................................................................................................................... 16

Controller features.............................................................................................................................................................16

1 MB I/O......................................................................................................................................................................... 16

Auto Configure RAID 0............................................................................................................................................... 16

Disk roaming.................................................................................................................................................................. 16

Enhanced HBA mode...................................................................................................................................................17

FastPath......................................................................................................................................................................... 17

PERC H745P MX enclosure support....................................................................................................................... 18

Non-RAID disks.............................................................................................................................................................19

Physical disk power management............................................................................................................................ 19

PERC H840 enclosure support................................................................................................................................. 19

Profile Management....................................................................................................................................................22

Secure firmware update............................................................................................................................................ 22

Snapdump......................................................................................................................................................................22

Virtual disk features..........................................................................................................................................................22

Virtual disk write cache policies............................................................................................................................... 23

Virtual disk read cache policies................................................................................................................................ 23

Virtual disk migration.................................................................................................................................................. 24

Virtual disk initialization..............................................................................................................................................24

Reconfiguration of virtual disks............................................................................................................................... 25

Background operations...............................................................................................................................................27

Hard drive features........................................................................................................................................................... 27

Self-Encrypting Disks................................................................................................................................................. 27

Instant secure erase................................................................................................................................................... 28

4 KB sector disk drives.............................................................................................................................................. 28

Fault tolerance................................................................................................................................................................... 28

The SMART feature....................................................................................................................................................28

Patrol Read................................................................................................................................................................... 29

Contents

Contents 3