Intel RS25SB008 driver and firmware
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Hardware User's Guide - Page 3
Preface
This is the primary hardware guide for the Intel® RAID Controller RS25SB008, which can be used to manage SAS and SATA disk drives. It contains installation instructions and specifications. For details on configuring the storage adapters, and for an overview of the software drivers, see the Intel® RAID Software User's Guide on the Resource CD.
Audience
This document ...
Hardware User's Guide - Page 5
... Flash ROM ...14 Boot Strap ROM (SEEPROM 14 NVSRAM ...14 SDRAM (Cache) ...14 Diagnostic Components 15 SAS/SATA Connectors 16 Super Cap 2 Connector Pin-out 18 PCI Interface ...19 LED Headers ...19 Serial UART Header ...20
Technical Specifications ...21 Array Performance Features 21
Fault Tolerance ...22 Electrical Characteristics 23
Intel® RAID Controller RS25SB008 Hardware User's Guide...
Hardware User's Guide - Page 6
... Device Technology 24 Support for Hard Disk Drive Devices 24 SAS Expander Support 25 Support for Non-Hard Disk Drive Devices 25 Enclosure Management Support 25 RAID Functionality and Features 25 Hierarchy ...25 SAS Bus and ID Mapping 26
Appendix A: Drive Roaming and Drive Migration Install 27
Drive Roaming ...27 Drive Migration ...28
Appendix B: Installation/Assembly Safety Instructions...
Hardware User's Guide - Page 7
... Figures
Figure 1. Changing the Bracket 8 Figure 2. Installing the Intel® RAID Controller RS25SB008 8 Figure 3. Card Layout...11 Figure 4. Cache Memory Board 11 Figure 5. Hardware Block Diagram 13 Figure 6. Super Cap 2 Backup Unit with Bracket 15 Figure 7. Intel® RAID Controller RS25SB008 SAS/SATA Connectors 16 Figure 8. Intel® SAS/SATA Connector 18 Figure 9. LED Header ...20...
Hardware User's Guide - Page 11
...-wire SCSI cable or 40-wire ATA cable. The SAS/SATA connector and cable are easier to manipulate, connect to smaller devices, and do not inhibit airflow. The point-to-point SATA architecture eliminates difficulties created by the legacy ATA master-slave architecture, while maintaining compatibility with existing ATA firmware.
Intel® RAID Controller RS25SB008 Hardware User's Guide
1
Hardware User's Guide - Page 12
...SAS2208 dual-core RAID-On-Chip chipset, providing both a SAS controller and RAID engine. With 1GB RAM built onto a memory board which is connected to the RAID baseboard by default, and eight independent ports supporting 6Gb/s and 3Gb/s SAS data transfers using two SFF-8088 mini multi-lane connectors, this controller supports up to 48 enterprise-class SAS or SATA devices. The PCI Express* connector...
Hardware User's Guide - Page 13
... a standard and a low-profile bracket. • The card ships with a 1GB memory board which is already installed onto the RAID
controller baseboard as the RAID cache.
• 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. •...
Hardware User's Guide - Page 14
...cache before reading
from disks. ✧ Cache I/O: Checks cache first, only reads disk if data is not in the cache. ✧ Direct I/O: Reads data directly from disk. (not cache)
• Redundancy through:
- Configuration stored in non-volatile RAM and on the drives (COD). - Hot-swap support. - Super Cap 2 backup for cache memory.
4
Intel® RAID Controller RS25SB008 Hardware User's Guide
Hardware User's Guide - Page 17
...Intel® RAID Controller RS25SB008
Hardware Installation
Requirements
• Intel® RAID Controller RS25SB008(SAS/SATA cables need to be
prepared separately)
• A host system with an available x8 or x16 PCI-Express* slot • Resource CD, which contains drivers and documentation • SAS or SATA hard drives up to 6Gb/s speed • Compatible SAS/SATA cables (for cable...
Hardware User's Guide - Page 18
... for instructions on installing an add-in card, see your server system documentation.
PCI Express* Slot (3.3 V)
AF004150
Figure 2. Installing the Intel® RAID Controller RS25SB008 5. Configure and install the SAS/SATA Devices in the target external storage case.
Refer to the documentation of the devices for any pre-installation configuration requirements. 6. Use SAS cables to connect...
Hardware User's Guide - Page 19
... and then display the Intel® RAID Controller number and firmware version. The numbering of the RAID controller follows the PCI slot scanning order used by the server board. 3. See the Quick Start User's Guide and the Software User's Guide for instructions to configure the RAID controller and to install the operating system drivers.
Replacing a Controller
To replace the RAID controller, see...
Hardware User's Guide - Page 21
...
The Cache Memory Board component is a printed circuit board with RAID controller cache memory chips on it that mounts directly to the base controller through the Memory Board Connector J5B1 and is secured by one screw. It provides a 20-pin connector for remote Super Cap 2 module installation support.
Figure 4. Cache Memory Board
Intel® RAID Controller RS25SB008 Hardware User's Guide
11
Hardware User's Guide - Page 22
... Connects the controller by cable to SAS drives or SATA 2 drives.
Advanced Software Hardware Key Header
3-pin header Enables support for selected advanced features, such as recovery, Supersized cache, FastPath, and full disk encryption.
Standard edge card connector
The RAID controller interfaces with the host system though a standard edge card. This interface provides power to the board and an...
Hardware User's Guide - Page 24
... disk and drive setup information.
SDRAM (Cache)
The Intel® RAID Controller RS25SB008 has a 1GB memory board connected to it at factory, which integrated DDR2 800 MHz ECC SDRAM memory. This DIMM is connected directly to the memory controller interface bus of the ROC and serves as storage for the executable code transferred from the flash. It also serves as cache during
14
Intel® RAID...
Hardware User's Guide - Page 29
... PFAIL_L GND BBE BBSTROBE BBSTATUS
Description Power Fail Ground Battery Backup Enabled Battery Backup Strobe Battery Backup Status
PCI Interface
The Intel® RAID Controller RS25SB008 must be installed into a standard x8 or larger PCI Express* slot that complies with the PCI Express Specification, Revision 2.0. The controller is backward-compatible with PCI Express* 1.0 and with x8 or larger...
Hardware User's Guide - Page 31
...-Chip (ROC ) Operating voltage Card size Array interface to host SAS/SATA bus speed SAS/SATA ports Physical and virtual drive support Cache Firmware Compatible devices
Cabling
Redundant configuration Enclosure management Enclosure support
Intel® RAID Controller RS25SB008
LSISAS2208 Integrated ROC, 800 MHz
+3.3 V, +12 V
2.713 inch x 6.600 inch (Low-profile)
PCI Express* Revision 2.0, x8 lane...
Hardware User's Guide - Page 34
... device technologies supported by the Intel® RAID Controller RS25SB008 is described in the subsections that follow.
Support for Hard Disk Drive Devices
The Intel® RAID Controller RS25SB008 integrates eight external high-performance SAS/SATA III ports that support SAS and enterprise-class SATA hard drives. Each port supports both SAS and SATA devices using the SAS Serial SCSI Protocol...
Hardware User's Guide - Page 35
... market conditions and customer requirements.
Support for Non-Hard Disk Drive Devices
Selected non-hard drive devices are supported for use with this controller. For information on support for non-hard drive devices, see this RAID controller's Tested Hardware and Operating System List.
Enclosure Management Support
The Intel® RAID Controller RS25SB008 supports SES2 enclosure management in-band...
Hardware User's Guide - Page 36
... of the configured drives has failed or is offline.
The drive is not available to the operating system and is unusable.
RAID Controller Drive Limitations
Only drives that comply with the SAS and SATA specification extensions are supported.
SAS Bus and ID Mapping
Devices on the SAS bus are persistently mapped based on a SAS address.
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Intel® RAID Controller RS25SB008 Hardware User's Guide
Hardware User's Guide - Page 37
... to install and remove drives. 4. Determine the target requirements. 5. Make sure the drives are inserted properly. 6. Install the server cover. For instructions, see your server system documentation. 7. Plug in and power on the system. The controller detects the RAID configuration from the configuration data on the drives (COD).
Intel® RAID Controller RS25SB008 Hardware User's Guide...