Intel RS2WC080 Hardware User Guide - Page 25

Array Performance Features - support

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Array Performance Features Table 3. Array Performance Features Specification Intel® RAID Controller RS2WC080 Host data transfer rate Up to 5.0 Gb/s per PCI Express* lane Drive data transfer rate Up to 6.0 Gb/s per phy Maximum scatter / gather 80 elements Maximum size of I/O requests 6.4 Mbytes in 64 Kbyte stripes Maximum queue tags per drive As many as the drive can accept Strip sizes 8, 16, 32, or 64 KB Maximum concurrent commands Support for multiple initiators 1024-16 Yes Performance Flexibility Background services Cache options Native command queuing • Drive migration • RAID level migration • Drive Roaming • Online Capacity Expansion - without reboot • Rebuild • Consistency Check • Migration • OCE • Patrol Read • Write-through • Normal Read • Direct I/O Intel® RAID Controller RS2BWC080 Hardware User's Guide 15

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Intel® RAID Controller RS2BWC080 Hardware User’s Guide
15
Array Performance Features
Table 3. Array Performance Features
Specification
Intel
®
RAID Controller RS2WC080
Host data transfer rate
Up to 5.0 Gb/s per PCI Express* lane
Drive data transfer rate
Up to 6.0 Gb/s per phy
Maximum scatter / gather
80 elements
Maximum size of I/O requests
6.4 Mbytes in 64 Kbyte stripes
Maximum queue tags per
drive
As many as the drive can accept
Strip sizes
8, 16, 32, or 64 KB
Maximum concurrent
commands
1024-16
Support for multiple initiators
Yes
Performance
Native command queuing
Flexibility
Drive migration
RAID level migration
Drive Roaming
Online Capacity Expansion - without reboot
Background services
Rebuild
Consistency Check
Migration
OCE
Patrol Read
Cache options
Write-through
Normal Read
Direct I/O