User`s guide

Intel® RAID Controller RS2SG244 Hardware User’s Guide 3
Protocol Support
Each port on the SAS controllers supports SAS devices, SATA II devices, or both using
SSP, SMP, STP, and SATA II as follows:
• Serial SCSI Protocol (SSP) to enable communication with other SAS devices.
• SATA II Protocol to enable communication with other SATA II devices.
• Serial Management Protocol (SMP) to share topology management information
with expanders.
• Serial Tunneling Protocol (STP) support for SATA II through expander interfaces..
Operating System Support
• Windows Server 2008* R2, Windows 7*, Windows Server 2003*, Windows Vista*,
and Windows XP*
• Red Hat* Enterprise Linux 4.0 and 5.0
• SuSE* Linux Enterprise Server 9, 10, and 11
• VMWare* ESX 4.0
• Solaris* 10
The operating systems supported may not be supported by your server board. See the
Tested operating system list for your server board at
http://www.intel.com.
To make sure the RAID controller supports your operating system, see also the Tested
Hardware and Operating System List for the Intel
®
RAID Controller RS2SG244.
Usability
• Small, thin cabling with serial point-to-point 6.0 Gbps data transfer rates.
• Support for non-disk devices and mixed capacity drives.
• Support for intelligent XOR RAID levels 0, 1, 5, 6, 10, 50, and 60.
• Dedicated or global hot spare with auto rebuild if an array drive fails.
• User defined stripe size per drive: 8, 16, 32, 64, 128, 256, 512, or 1024 KB.
• Advanced array configuration and management utilities provide:
— Online Capacity Expansion (OCE) adds space to existing drive or new drive.
See
Appendix A: Drive Roaming and Drive Migration Install for limitations on
OCE and RAID migration.
— Online RAID level migration (upgrade of RAID mode may require OCE)
— Drive migration
— Drive roaming