About Inspur Sas3508Mr - Inspur 3408 Series Configuration Manual

Fast RAID initialization

Background data consistency check

Drive background media patrol and repairing

Compliance with the Disk Data Format (DDF) specification

Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T)

Global and dedicated hot spare (HS) drives

Auto rebuild from HS drives

Emergency HS drives

SES, SGPIO, and peripheral management

32 physical drives (PDs) with a maximum capacity of 64 T per drive

Power save mode of drives
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Connection to extended devices, up to 32 drives on an Inspur server

The following table lists the drive number limits and redundancies of different RAID
levels of Inspur SAS3408iMR RAID controller card.
Table 2-1 Drive Number Limits and Redundancies of Different RAID Levels
RAID Level
RAID 0
RAID 1
RAID 5
RAID 10
RAID 50
Note:
The failed drives cannot be adjacent

A maximum of 1 failed drive is allowed in each span of RAID 10 and RAID 50.

2.3

About Inspur SAS3508MR

Inspur SAS3508MR is specially designed to provide highly reliable external storage
and expansion capabilities for servers. Refer to the figure below for its appearance.
Number of Drives Supported
1 - 32
2 - 32
3 - 32
4 - 32
6 - 32 (2 - 8 for RAID 5)
Number of Drive
Redundancies
0
Number of drives/2
1
Number of spans
Number of spans
11