CFI TERA STOR SATA RAID IV Guía de usuario Pagina 33

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Intel® RAID Controller RS2SG244 Hardware User’s Guide 23
Array Performance Features
Table 9. Array Performance Features
Cabling Small, thin cables that do not restrict
airflow
Shared connectors for multiple drives
Redundant configuration 32 KB NVRAM and config-on-disk (COD)
Enclosure management SGPIO
In-band and out-of-band SES
Enclosure support Assumes one SEP per enclosure
Specification Intel
®
RAID Controller RS2SG244
Specification Intel
®
RAID Controller RS2SG244
Host data transfer rate Upto 5.0 Gigabit/sec per PCI Express* lane
Drive data transfer rate Upto 6.0 Gigabit/sec 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
Stripe sizes 8, 16, 32, 64, 128, 256, 512, or 1024 KB
Maximum concurrent
commands
255
Support for multiple initiators Ye s
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
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