Array Performance Features; Table 3. Array Performance Features - Intel RS2BL040 - Raid Controller Hardware User's Manual

Array Performance Features

Host data transfer rate
Drive data transfer rate
Maximum scatter / gather
Maximum size of I/O requests
Maximum queue tags per
drive
Stripe sizes
Maximum concurrent
commands
Support for multiple initiators
Performance
Flexibility
Background services
Cache options
Intel® RAID Controller RS2BL040 Hardware User's Guide

Table 3. Array Performance Features

Specification
®
Intel RAID Controller RS2BL040
Up to 5.0 Gb/s per PCI Express* lane
Up to 6.0 Gb/s per phy
80 elements
6.4 Mbytes in 64 Kbyte stripes
As many as the drive can accept
8, 16, 32, 64, 128, 256, 512, or 1024 KB
1024-16
Yes
Native command queuing
•
Drive migration
•
RAID level migration
•
Drive Roaming
•
Online Capacity Expansion - without reboot
•
Rebuild
•
Consistency Check
•
Migration
•
OCE
•
Patrol Read
•
Write-back or Write-through
•
Read Ahead, Adaptive Read Ahead, or Non-Read Ahead
•
Cache I/O or Direct I/O
15