Hardware User's Guide

Intel® Integrated RAID Module RMS2MH080 Hardware User’s Guide 23
Array Performance Features
Table 7. Array Performance Features
Interface to host Custom board-to-board x8 PCI Express* 2.0 compliant
interface
SATA bus speed Upto 6 Gbps per port, point-to-point
SAS controller LSI* SAS2108
SAS/SATA ports 2x4 internal ports, 16 devices
Physical and virtual drive
support
16 drives per controller and 64 logical drives
Cache 512 MB DDR2 800 MHz SDRAM, optional battery backup
Firmware 8 MB in reflashable flash ROM
Compatible devices • 2.5-inch and 3.5-inch SAS or SATA II drives
• Non-disk devices including expanders
• Can support drives of mixed capacity
Cabling Small thin cables that do not restrict airflow
Redundant configuration 32 KB NVRAM and config-on-disk (COD)
Enclosure management In-band and out-of-band
Enclosure support Assumes one SEP per enclosure
Specification Intel
®
Integrated RAID Module RMS2MH080
Specification Intel
®
Integrated RAID Module RMS2MH080
Host data transfer rate Upto 5.0 Gigabit/sec per PCI Express* lane
Drive data transfer rate Upto 6 Gigabit/sec per lane
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
Stripe sizes 8, 16, 32, 64, 128, 256, 512, or 1024 KB
Maximum concurrent
commands
1024 - 16
Support for multiple initiators Ye s
Performance Native command queuing