Users Guide

Monitoring Disk Reliability On RAID Controllers.............................................................................................................. 28
Using Alarms To Detect Failures....................................................................................................................................... 28
Time Delay In Displaying Configuration Changes............................................................................................................ 29
5 PCI Express Solid-State Device Support...................................................................................... 30
PCIe SSD.............................................................................................................................................................................. 30
PCIe SSD Features..............................................................................................................................................................30
PCIe SSD Subsystem Properties.......................................................................................................................................30
Physical Device Properties..................................................................................................................................................31
Physical Device Tasks......................................................................................................................................................... 33
Blinking And Unblinking A PCIe SSD........................................................................................................................... 34
Preparing To Remove A PCIe SSD..............................................................................................................................34
Exporting The Log......................................................................................................................................................... 34
Performing A Cryptographic Erase On An NVMe PCIe SSD...................................................................................34
PCIe SSD In Slot Card Tasks............................................................................................................................................. 35
To Locate Cryptographic Erase In Storage Management For A PCIe SSD In Slot Card..................................... 35
PCIe SSD Subsystem Health............................................................................................................................................. 35
Backplanes......................................................................................................................................................................35
Backplane Firmware Version........................................................................................................................................35
6 Storage Information And Global Tasks..........................................................................................36
Storage Properties.............................................................................................................................................................. 36
Global Tasks......................................................................................................................................................................... 36
Setting the Remaining Rated Write Endurance Threshold...................................................................................... 36
Setting the Available Spare Threshold........................................................................................................................ 37
Storage Controller Properties............................................................................................................................................38
Storage Components.................................................................................................................................................... 39
7 Controllers.................................................................................................................................40
Controller..............................................................................................................................................................................40
RAID Controller Technology - SATA And SAS................................................................................................................ 40
SAS RAID Controllers....................................................................................................................................................40
RAID Controller Features.................................................................................................................................................... 41
Controller — Supported RAID Levels................................................................................................................................41
Controller — Supported Stripe Sizes................................................................................................................................41
RAID Controller Read, Write, Cache, And Disk Cache Policy.........................................................................................41
Read Policy......................................................................................................................................................................41
Write Policy.................................................................................................................................................................... 42
Cache Policy...................................................................................................................................................................42
Disk Cache Policy...........................................................................................................................................................42
Background Initialization On PERC Controllers............................................................................................................... 43
Non-RAID Controller Description...................................................................................................................................... 43
Non-RAID SAS Controllers...........................................................................................................................................43
Firmware Or Driver Versions..............................................................................................................................................44
Firmware Or Driver Properties.....................................................................................................................................44
Controller Health................................................................................................................................................................. 45
Controller Components.................................................................................................................................................45
Controllers Properties And Tasks......................................................................................................................................45
Controller Tasks...................................................................................................................................................................48
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Contents