Hardware User's Guide

Intel® RAID Controller RS25FB044 Hardware User’s Guide 15
Array Performance Features
Table 5.
Specification Intel
®
RAID Controller RS25FB044
Host data transfer rate Upto 8.0 Gigabit/sec per PCI Express* lane
Drive data transfer rate Upto 6 Gigabit/sec per lane
Maximum queue tags per
dr
ive
As many as the drive can accept
Strip size 64 KB
Cache Options Disk cache enabled/disabled
Array Performance Features
Fault Tolerance
Table 6. Fault Tolerance Features
Physical and virtual drive
support
Supports 256 physical drives. A max of two IR volumes
(arrays) may be created. Each volume (array) supports not
more than 10 physical drives. Other unconfigured drives are in
Pass-Through mode, or JBOD mode.
Firmware Reflashable flash ROM
Compatible devices
• 2.5-inch and 3.5-inch SAS or SATA III drives including
SSD drives
• Non disk devices including expanders
• Can support drives of mixed capacity
Cabling Small thin cables that do not restrict airflow and Shared
conn
ectors for multiple drives
Enclosure management In-band and out-of-band SES2; out-of-band SGPIO
Enclosure support Assumes one SEP per enclosure
Specification Intel
®
RAID Controller RS25FB044
Specification Intel
®
RAID Controller RS25FB044
Power Conservation
• Staggered spin-up
• Lower power requirements
Drive Replacement
• Auto detection of failure
• Hot-plug
• Hot-swap