Intel RS3DC040 RAID controller
Contents
1. c aaa 29 Table 9 Fault Tolerance Features see eee eee 30 Table 10 Power Supply for the Intel RAID Controller RS3WCO80 eeeeeE 30 Table 11 Power Supply for the Intel RAID Controller RS3DCOXO cnece cena 31 12Gb s Intel RAID Controllers User Guide ix 12Gb s Intel RAID Controllers User Guide 12Gb s Intel RAID Controller Overview This document is the primary reference and user s guide for the Intel RAID Controllers based on the 12Gb s SAS SATA RAID on a chip ROC devices This document contains complete installation instructions and specifications for these RAID controllers Overview Note 12Gb s Intel RAID Controllers User Guide The 12Gb s Intel RAID Controllers are high performance intelligent PCIe to SATA SAS controllers with RAID control capability The 12Gb s Intel RAID Controllers provide reliability high performance and fault tolerant drive subsystem management They are an ideal RAID solution for the internal storage of workgroup departmental and enterprise systems The 12Gb s Intel RAID Controllers offer a cost effective way to implement RAID in a server SAS technology brings a wealth of options and flexibility with the use of SAS devices and SATA devices within the same storage infrastructure However SAS devices and SATA devices bring individual characteristics that make each one a more suitable choice depending on your storage needs The 12Gb s Intel RAID Controller gi2. e Canadian Compliance Statement Korean MIC e Taiwan BSMI e Japan VCCI e CISPR Class B The following hardware is compliant with CSA C22 2 No 60950 1 UL 60950 1 First Edition listed accessory UL file number E257743 Intel RAID Controller RS3DC040 model 25420 00 e Intel RAID Controller RS3DC080 model 25420 00 RAID Controller Specifications 28 The following table lists the specifications for the 12Gb s Intel RAID Controllers Table 7 RAID Controller Specifications Specification Intel RAID Controller RS3WC080 RS3DC040 and RS3DC080 SAS controller and processor Intel RAID Controller RS3WC080 LSISAS3008 Single SAS controller Intel RAID Controller RS3DCOx0 LSISAS3108 Single SAS controller Operating voltage 43 3 V 12 V Card size Intel RAID Controller RS3WC080 Low profile PCI Express adapter card size 68 90 mm x 152 35 mm Intel RAID Controller RS3DCO0x0 Low profile PCI Express adapter card size 68 90 mm x 167 65 mm Array interface to the host PCle Rev 3 0 12Gb s Intel RAID Controllers User Guide Specification Intel RAID Controller RS3WC080 RS3DC040 and RS3DC080 PCI Express bus data transfer rate e Up to 8GT s per lane x8 lane width Serial port 4 pin RS232 compatible connector for manufacturing use only SAS bus speed 12Gb s SAS ports SAS connectors with four SAS ports each Cache configura
3. Simplified cabling between devices is an additional benefit These devices are compliant with the Fusion MPT architecture and provides a PCIe x8 interface Each port on the 12Gb s Intel RAID Controllers supports SAS devices SATA devices or both using SSP SMP STP and SATA The SSP protocol enables the 12Gb s Intel RAID Controllers to communicate with other SAS devices The SATA protocol enables the 12Gb s Intel RAID Controllers to communicate with SATA devices 2 12Gb s Intel RAID Controllers User Guide Note All of these RAID controllers provide an x8 PCIe 3 0 interface 12Gb s Intel RAID Controller Detailed Descriptions The 12Gb s Intel RAID Controllers are described in detail in the following subsections Intel RAID Controller RS3WC080 The Intel RAID Controller RS3WC080 is a PCIe 3 0 Low Profile SAS Controller that controls eight internal SAS SATA ports through two SFF 8643 mini SAS HD 4i internal connectors Intel RAID Controller RS3DC040 and RS3DC080 The Intel RAID Controller RS3DC040 is a PCIe 3 0 Low Profile SAS Controller that controls four internal SAS SATA ports through one SFF 8643 mini SAS HD 4i internal connector The Intel RAID Controller RS3DC080 is a PCIe 3 0 Low Profile SAS Controller that controls eight internal SAS SATA ports through two SFF 8643 mini SAS HD 4i internal connectors Configuration Scenarios You can use the 12Gb s Intel RAID Controllers in three main scenarios
4. 0 C to 45 C with battery backup unit Safety Characteristics 32 All 12Gb s Intel RAID Controllers meet or exceed the requirements of UL flammability rating 94 VO Each bare board is also marked with the supplier name or trademark type and UL flammability rating For the boards installed in a PCI Express bus slot all voltages are lower than the SELV 42 4V limit 12Gb s Intel RAID Controllers User Guide Glossarv BIOS C configuration D device driver domain validation drive group EEPROM external SAS device F Fusion MPT architecture host host adapter board Acronym for Basic Input Output System Software that provides basic read write capability Usually kept as firmware ROM based The system BIOS on the motherboard of a computer boots and controls the system The BIOS on your host adapter acts as an extension of the system BIOS Refers to the way a computer is set up the combined hardware components computer monitor keyboard and peripheral devices that make up a computer system or the software settings that allow the hardware components to communicate with each other A program that permits a microprocessor through the operating system to direct the operation of a peripheral device A software procedure in which a host queries a device to determine its ability to communicate at the negotiated data rate A group of physical drives that combines the storage space on the drives into a
5. They eliminate the master slave construction used in parallel ATA e They permit addressing of multiple SATA targets through an expander 8 12Gb s Intel RAID Controllers User Guide They permit multiple initiators to address a single target in a fail over configuration through an expander PCI Express Performance The following list describes the PCIe performance features of the RAID controllers They provide a PCIe interface that does the following Supports a dedicated PCIe bus Supports x8 lane configuration Supports transfer rates of up to 8GT s per lane Complies with the PCI Express specification Revision 3 0 and the Serial ATA specification version 3 0 They provide unequaled performance through the Fusion MPT architecture They provide high throughput and low CPU utilization to offload the host processor Usability Features The following list describes the usability features of the RAID controllers They simplify cabling with point to point serial architecture They support smaller thinner cables that do not restrict airflow They provide drive spin up sequencing control They provide one LED signal for each PHY to indicate link activity this is a fault LED only for controllers with internal port connectors They provide an TC interface for enclosure management They support the internal SAS Sideband signal SFF 8485 SGPIO interface Flexibility Features These features increase t
6. cable into a SFF 8643 internal mini SAS HD 4i connector on the Intel RAID Controller RS3DC080 as shown in the following figure 2 Plug the HDD connector on the other end of the cable into the connector on the SAS drive or SATA drive 3 If you have another drive connect it to another plug on the internal cable 18 12Gb s Intel RAID Controllers User Guide You can connect other devices if the cable has more connectors Figure 7 Connecting the Intel RAID Controller RS3DC080 to a Drive SFF 8643 HD Mini SAS Connector 3_01681 00 Edge of Motherboard 12Gb s Intel RAID Controllers User Guide 19 20 12Gb s Intel RAID Controllers User Guide 3 12Gb s Intel RAID Controller Characteristics 12Gb s Intel RAID Controller Family The 12Gb s Intel RAID Controllers are dual PHY SAS PCI Express RAID controllers and are used in a system with a PCI Express slot PCI Express goes beyond the PCI specification in that it is intended as a unifying I O architecture for various systems desktops workstations mobile devices servers communications and embedded devices The following subsections provide figures and connector information for the 12Gb s Intel RAID Controllers Intel RAID Controller RS3WC080 The Intel RAID Controller RS3WC080 is a low profile SAS SATA RAID controller that controls eight internal SAS SATA ports through two SFF 8643 internal mini SAS HD 4i connectors Intel RAID Contro
7. of the global hot spare pool for all arrays managed by the controller When a drive fails the controller firmware automatically replaces and rebuilds the data from the failed drive to the hot spare Data can be rebuilt only from virtual drives with redundancy RAID levels 1 5 6 10 50 and 60 not RAID level 0 and the hot spare must have sufficient capacity A SAS device installed inside the computer cabinet These devices are connected by using a shielded cable The part of computer memory that is directly accessible by the CPU usually synonymous with RAM Acronym for nonvolatile random access memory An EEPROM electronically erasable read only memory chip that stores configuration information See EEPROM Acronym for peripheral component interconnect A high performance local bus specification that allows the connection of devices directly to computer memory The PCI Local Bus allows transparent upgrades from 32 bit data path at 33 MHz to 64 bit data path at 33 MHz and from 32 bit data path at 66 MHz to 64 bit data path at 66 MHz Acronym for peripheral component interconnect Express A high performance local bus specification that allows the connection of devices directly to computer memory PCI Express is a two way serial connection that transfers data on two pairs of point to point data lines PCI Express goes beyond the PCI specification in that it is intended as a unifying I O architecture for various systems desktops
8. point to point enterprise level storage interface They simplify cabling between devices They provide a scalable interface that supports up to 240 devices through the use of expanders Note The number of devices varies depending on the Intel RAID Controller product Check the Intel website http www intel com for specific details about your product They support wide ports that consist of two three or four PHYs within a single quad port They support narrow ports consisting of a single PHY They transfer data by using SCSI information units SAS Array Limitations This section describes the array limitations of the 12Gb s Intel RAID Controllers These limitations include the number of drives supported per controller the maximum number of drives per controller and the maximum number of virtual drives allowed per controller The following table lists the array limitations for the 12Gb s Intel RAID Controllers 12Gb s Intel RAID Controllers User Guide Table 2 12Gb s Intel RAID Controller Array Limitations Speciation ae iau ne Maximum virtual drives per controller 64 64 Maximum drive groups per controller 128 128 Maximum virtual drives per drive group 16 16 Maximum drives per drive group 32 32 Maximum drives per controller 240 240 Maximum hot spares per controller 240 240 Maximum spans per virtual drive 8 8 Maximum enclosures per port 10 10 Number of port connector
9. single segment of storage space A hot spare drive does not actively participate in a drive group Acronym for Electronically Erasable Programmable Read Only Memory It is a memory chip that typically stores configuration information as it provides stable storage for long periods without electricity and can be reprogrammed See NVRAM A SAS device installed outside the computer cabinet These devices are connected using specific types of shielded cables An acronym for Fusion Message Passing Technology architecture Fusion MPT consists of several main elements Fusion MPT firmware the Fibre Channel and SCSI hardware and the operating system level drivers that support these architectures Fusion MPT architecture offers a single binary operating system driver that supports both Fibre Channel and SCSI devices The computer system in which a RAID controller is installed It uses the RAID controller to transfer information to and from devices attached to the SCSI bus A circuit board or integrated circuit that provides a device connection to the computer system 12Gb s Intel RAID Controllers User Guide 33 hot spare internal SAS device main memory N NVRAM P PCI PCI Express peripheral devices PHY RAID 34 An idle powered on standby drive that is ready for immediate use in case of drive failure A hot spare does not contain any user data A hot spare can be dedicated to a single redundant array or it can be part
10. workstations mobile server communications and embedded devices A piece of hardware such as a video monitor drive printer or CD ROM used with a computer and under the control of the computer SCSI peripherals are controlled through an Intel RAID Controller host adapter The interface required to transmit and receive data packets transferred across the serial bus Each PHY can form one side of the physical link in a connection with a PHY ona different SATA device The physical link contains four wires that form two differential signal pairs One differential pair transmits signals while the other differential pair receives signals Both differential pairs operate simultaneously and allow concurrent data transmission in both the receive and the transmit directions Acronym for Redundant Array of Independent Disks originally Redundant Array of Inexpensive Disks An array group of multiple independent drives managed together to yield higher reliability performance or both exceeding that of a single drive The RAID array appears to the controller as a single storage unit I O is expedited because several drives can be accessed simultaneously Redundant RAID levels RAID levels 1 5 6 10 50 and 60 provide data protection 12Gb s Intel RAID Controllers User Guide RAID levels SAS SAS device SATA SMP SSP STP strip stripe size striping strip size A set of techniques applied to drive groups to de
11. 12C connector for Ports 4 to 7 Supports SCSI Enclosure Services SES over ISC through an internal ISC backplane cable J1A3 20 pin connector Local RAID Maintenance Free Back Units connector Connects the RMFBU directly to the RAID controller J1A4 3 pin connector IPMI style IC connector for Ports 0 to 3 Supports SES over ISC through an internal I2C backplane cable 12Gb s Intel RAID Controllers User Guide Jumper Connector Type Description J1B1 2x8 pin header Ports 0 to 3 Ports 4 to 7 PORT 0 PORT 7 J1B1 3_01788 00 Individual PHY and drive fault indication header Connects to an LED that indicates whether a drive is in a fault condition One LED exists per port When lit each LED indicates the corresponding drive has failed or is in the Unconfigured Bad state The LEDs function in a direct attach configuration no SAS expanders exist Direct attach is defined as a maximum of one drive connected directly to each port Note The J5A1 connector on the Intel RAID Controller RS3DC040 is a single internal port connector J2B4 Standard edge card connector The interface between the RAID controller and the host system Along with the PCle interface this connector provides power to the board and an l2C interface connected to the 1 C bus for the Intelligent Platform Management Interface IPMI J3L1 20 pin connector Remote RAID Maintenance Free Back
12. 12Gb s Intel RAID Controllers User Guide Intel Order Number H21668 001 DISCLAIMER IINFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL PRODUCTS NO LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT EXCEPT AS PROVIDED IN INTEL S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS INTEL ASSUMES NO LIABILITY WHATSOEVER AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY RELATING TO SALE AND OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT A Mission Critical Application is any application in which failure of the Intel Product could result directly or indirectly in personal injury or death SHOULD YOU PURCHASE OR USE INTEL S PRODUCTS FOR ANY SUCH MISSION CRITICAL APPLICATION YOU SHALL INDEMNIFY AND HOLD INTEL AND ITS SUBSIDIARIES SUBCONTRACTORS AND AFFILIATES AND THE DIRECTORS OFFICERS AND EMPLOYEES OF EACH HARMLESS AGAINST ALL CLAIMS COSTS DAMAGES AND EXPENSES AND REASONABLE ATTORNEYS FEES ARISING OUT OF DIRECTLY OR INDIRECTLY ANY CLAIM OF PRODUCT LIABILITY PERSONAL INJURY OR DEATH ARISING IN ANY WAY OUT OF SUCH MISSION CRITICAL APPLICATION WHETHER OR NOT INTEL OR ITS SUBCONTRACTOR WAS NEGLIGENT IN THE DESIGN MANUFACTURE OR WARNING OF THE INTEL PRODUCT OR ANY OF ITS PARTS Intel may make changes t
13. Express PSBRAM RAID Controller NVSRAM SAS SATA III Device PC Interface SAS SATA III Device a SAS SATA III Device LQ PCI Express Interface The following figure shows an example of a SAS RAID controller configured with an LSISASx12 expander that is connected to SAS drives SATA III drives or both Figure 2 Example of an Intel SAS RAID Controller Configured with an LSISASx12 Expander PCI Express Interface 8 Peripheral SAS RAID Controller ku Flash ROM NVSRAM I C UART LSISAS3108 72 bit DDR3 PCI Express to SAS ROC with ECC Interface SDRAM LSISASx12 LSISASx12 Expander Expander Benefits of the SAS Interface SAS is a serial point to point enterprise level device interface that leverages the proven SCSI protocol set SAS is a convergence of the advantages of SATA SCSI and Fibre Channel and it is the future mainstay of the enterprise and high end workstation storage markets SAS offers a higher bandwidth per pin than parallel SCSI and it improves signal and data integrity 4 12Gb s Intel RAID Controllers User Guide The SAS interface uses the proven SCSI command set to ensure reliable data transfers while providing the connectivity and flexibility of point to point serial data transfers The serial transmission of SCSI commands eliminates clock skew challenges The SAS interface provides improved performance simplified cabling smaller connectors lower pin co
14. Gb s Intel RAID Controllers It contains installation instructions and specifications Audience The people who benefit from this document are e 12Gb s Intel RAID Controller users Organization This document includes the following chapters and glossary Chapter 1 provides a general overview of the 12Gb s Intel RAID Controller e Chapter 2 provides the instructions on how to install the 12Gb s Intel RAID Controller Chapter 3 describes the characteristics of the 12Gb s Intel RAID Controller Glossary describes how to use the command line driven SAS 3 Integrated RAID configuration utility SAS3IRCU to create and manage Integrated RAID volumes on Intel SAS 3 controllers Related Publication This is the primary hardware guide for the 12Gb s Intel RAID Controllers It contains installation instructions and specifications to aid in the configuration and use of this product 12Gb s Intel RAID Controllers User Guide ii 12Gb s Intel RAID Controllers User Guide Table of Contents PrefaC y l i sal rikn n nin kal D kekan Ak nl erk HE ba ka ba d k n n E K H k K U K DE KE ka SE p R WE ai ORE R N ERE HERA iii LEs Tle ces n sae t a a a gal Dita e na a iii CMON yx iC an a Sa pat Beep aa E ati al ii Related PG CANON ne ae tare el o tai iat e a ai d e ia a at pe i n iii 12Gb s Intel RAID Controller Overview sese 1 IC VEI IEN at iid tas aa alin titi calan a
15. Low end internal SATA configuration In this configuration use the RAID controller as a high end SATA II or SATA III compatible controller that connects up to eight drives either directly or through a port expander This configuration is mostly for low end or entry servers An out of band PC bus provides enclosure management Side bands of both types of internal SAS connectors support the SFF 8485 SGPIO interface Midrange internal SAS configuration This configuration is like an internal SATA configuration but with high end SAS drives This configuration is more suitable for low range to midrange servers High end external SAS SATA configuration This configuration is for external connectivity using SATA II drives SATA III drives SAS drives or combinations of SATA and SAS drives External enclosure management is supported through in band SCSl enclosed storage The configuration must support STP and SMP 12Gb s Intel RAID Controllers User Guide 3 The following figure shows a direct connect configuration The Inter IC I2C interface communicates with peripherals The external memory bus provides a 32 bit memory bus parity checking and chip select signals for pipelined synchronous burst static random access memory PSBRAM nonvolatile static random access memory NVSRAM and Flash ROM Figure 1 Example of an Intel SAS Direct Connect Application SAS SATA III Device 32 Bit Memory Address Data SAS Flash ROM Lal PCI
16. P2 Windows 7 Client SP1 Windows 8 Windows 2008 SP2 Windows 2008 R2 SP1 and Window Server 2012 Red Hat Linux e SuSE SLES e Ubuntu Linux e VMWare e Solana e XenServer e Oracle Enterprise Linux OEL Refer to the Intel SAS Device Driver Installation User Guide for more information about the drivers To download the latest operating system drivers go to http www intel com 12Gb s Intel RAID Controllers User Guide 5 The 12Gb s Intel RAID Controllers use Fusion MPT architecture for all major operating systems thinner drivers and better performance Summary of 12Gb s Intel RAID Controller Characteristics This section summarizes the features and benefits offered by the 12Gb s Intel RAID Controllers It contains information on SAS features SATA features PCI performance integration usability and flexibility The 12Gb s Intel RAID Controllers have the following features Table 1 12Gb s Intel RAID Controller Features Feature RS3WC080 RS3DC040 RS3DC080 LSI SAS ROC or IOC LSI3008 LSI3108 LSI3108 PCle x8 lane width with support for x16 connectors Yes Yes Yes PCle performance up to 8GT s per lane Yes Yes Yes 1 GB DDR3 1866 MT s onboard SDRAM No Yes Yes Number of Internal 4 port SAS Connectors 2 1 2 Supported RAID levels 0 1 5 10 50 0 1 5 6 10 50 0 1 5 6 10 50 60 60 Advanced array configuration and management Yes Yes Yes utilities Support for g
17. PERI ANRE kn ace Ka RA Ma a n da R dan 13 Detailed Weil see ieee PRI COR PRR ME ORI a STR IE O PENN ee 14 After Installing the RAID Controller sse eee eee 16 SAS Device Cables and Connectors see eee eee kk kk anna kk KK KA kK 16 Connecting a RAID Controller with Internal Port Connectors by Cable to Internal Drives 18 12Gb s Intel RAID Controller Characteristics sese 21 12Gb s Intel RAID Controller Family eee eee ea aaa 21 Intel RAID Controller RS3WCO80 cccscssssesseessecsssecssecssecssecsnecsnecsnessiecsssesseesseesneeaees 21 Intel RAID Controller RS3DC040 and RS3DCOB0 s s s 23 12Gb s Intel RAID Controllers User Guide V 12Gb s Intel RAID Controller CharacteriStiCS aska caca caca 27 Technical Specifications caca ne ea a e n eo n tn ba it i 28 RAID Controller Specifications seene eee eee 28 Array Performance Features s cu ni ee a ital a cal n alai ied 29 Fault Tolerance airain Pee h kan bk eee ee na wan M ere HE Ha Hu er d wad 29 Electrical Characteristics oa zonei eta aa oi Ek pai ta kk KK KA kK 30 Safety eliT lene ie se oo aia noi b k r aa i ati a HE bek el ve bek 32 GIlOSSA pe REPER RR ROI RR UI RR A w k ak RI ce n k un kek RR PR u wa POPOR kad bee et k y k 33 vi 12Gb s Intel RAID Controllers User Guide List Figure 1 Figure 2 Figure 3 Figure 4 17 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 of Figures Example of an Intel SAS Direct Connect Appl
18. Refer to the documentation for the devices for any pre installation configuration requirements 6 Connect the RAID controller to the devices Use SAS cables to connect SAS devices SATA devices or both to the 12Gb s Intel RAID Controller See SAS Device Cables and Connectors for SAS cable and connector information See Connecting a RAID Controller with Internal Port Connectors by Cable to Internal Drives for information about connecting the controller to the drives The maximum cable length is 10 meters 393 37 in You can connect one device per SAS PHY unless you use an expander 12Gb s Intel RAID Controllers User Guide 15 System throughput problems can occur if the SAS cables are not the correct type To minimize the potential for problems use the following guidelines Use cables no longer than 10 meters 393 37 in Use shorter cables if possible Use cables that meet the SAS specification Route the SAS cables carefully Turn on the power to the system Reinstall the computer cover and reconnect the AC power cords Turn on power to the host computer Make sure that the power is turned on to the SAS devices SATA devices or both before or at the same time that the power is turned on to the host computer If the computer is powered on before these devices the devices might not be recognized During boot a BIOS message appears The firmware takes several seconds to initialize The configuration utility pr
19. SAS HD 4i connectors Hardware exclusive OR XOR Yes Yes assistance Direct I O Yes Yes Architecture Fusion MPT Fusion MPT 12Gb s Intel RAID Controllers User Guide 2 12Gb s Intel RAID Controller Hardware Installation Requirements The following items are required to install a 12Gb s Intel RAID Controller A 12Gb s Intel RAID Controller e A host system with an available x8 PCIe 3 0 slot Note These controllers also work in PCI Express first generation slots The PCI Express software is backward compatible with previous revisions of the PCI bus and the PCI X bus e The necessary internal cables external cables or both e SAS drives or SATA drives Note Make sure to use an uninterruptible power supply Quick Installation The following steps quickly install your 12Gb s Intel RAID Controller These steps are for experienced computer users or installers Detailed Installation contains the steps for all other users to follow 1 Turn off the power to the system and all drives enclosures and system components and disconnect the PC power cord 2 Open the cabinet of the host system by following the instructions in the host system technical documentation 3 Check the jumper settings to make sure that they are in the desired position The jumpers are set at the factory and you usually do not need to change them Note See Chapter 3 12Gb s Intel RAID Controller Characteristics for
20. Units connector on the backside of the controller Connects the remote RMFBU to the RAID controller J4B1 70 pin connector Flash Module DDR3 Interface Connects the controller to a flash module J5A1 Dual x4 SAS Port 0 through Port 7 internal connector Two SFF 8643 mini SAS HD 4i internal connectors Connects the controller by cable to SAS drives or SATA drives 12Gb s Intel RAID Controllers User Guide 25 28 Jumper Connector Type Description J5B1 2 pin connector Test header Reserved for use J6B1 3 pin header Premium Feature Key header Enables support for selected advanced features such as Recovery CacheCade FastPath and SafeStore disk encryption J6B2 2 pin connector Default Serial boot ROM SBR header Reserved for use J6B3 2 pin connector Global hard disk drive HDD activity LED header A Connects to an LED that indicates activity on A the drives connected to the controller ve ve a k J6B3 3_01789 00 J6B4 4 pin connector On board Serial Universal Asynchronous Receiver Transmitter UART connector Reserved for use J6B5 2 pin connector Global drive fault LED header k a B J6B5 3 01790 00 Connects to an LED that indicates whether a drive is in a fault condition 12Gb s Intel RAID Controllers User Guide Jumper Connector Type Description J6B6 6 pin connector Complex programmab
21. aaa ga i aia ut la 1 12Gb s Intel RAID Controllers with Support for RAID Maintenance Free Back Units 2 SAS SATA Standards and Communication Protocols ELEE ke 2 General Description saret irienna EEEE AR REEE EERE a aaa 2 12Gb s Intel RAID Controller Detailed Descrip saien aia 3 Intel RAID Controller RS3WCO80 n nenea aaa 3 Intel RAID Controller RS3DC040 and RS3DCO80 ce nenea ea ae 3 Configuration Scenarios saci oa om aa ea aa ol at kk KK KK ia la kk A 3 Benefits Of the SAS Interface sisyan nl oa ec e a be i a ge a 4 PCI Express Architecture eee 5 Operating System Support cioc a ce cica ad d kk kk kk i a k kk lea t a 5 Summary of 12Gb s Intel RAID Controller Characteristics mc muncea eee 6 SAS PENES cante A sote a alee ad a Aaa n lait ai p 7 SAS Arr y LIMItAllONS tie ed tea ceea CR ae a a at ai 7 SATA UI Features HRH HHHH o i dit 8 PCI Express lelin e xis aa can R bakan Sa a ca a kenin a lake kan s x n a 9 Usability Feat reS cocan te tot altii ata int av pa xe ee XUR K ae E nene ere b bur 9 Flexibility FIGS sac cae ns oc sii aaa tea aia Dale aa id r xoma 9 Drive ROAI nO sy ea auda oa ea ao a be ne Dra ba a TE 10 Drive Migration cts aa aa i ta la a a ad re it as 10 Hardware Specifications ces cin cc aa el o ial ta a i i ca li x 11 12Gb s Intel RAID Controller Hardware Installation sss 13 BODEN a HH HHHH NNN 13 e lie s Installation IRENE RR IONICE DO RES akai a
22. ation Move the drives to different positions on the backplane to change the targets 4 Determine the SAS target requirements Perform a safety check a Make sure that the drives are inserted correctly b Close the cabinet of the host system Reconnect the power cords to the system 7 Turn on the power to the system The controller then detects the RAID configuration from the configuration data on the drives Drive Migration Note Note Drive migration is the transfer of a set of drives in an existing configuration from one controller to another The drives must remain on the same channel and must be reinstalled in the same order as in the original configuration The controller to which you migrate the drives cannot have an existing configuration Partial configurations which include individual virtual drives can be migrated Drive roaming and drive migration cannot be supported at the same time Follow these steps to migrate drives 1 Make sure that you clear the configuration on the system to which you migrate the drives to prevent a configuration data mismatch between the drives and the NVRAM 12Gb s Intel RAID Controllers User Guide Note When you migrate drives move only the drives that make up the virtual drive not all of the drives in a drive group so that you do not see an NVRAM mismatch error providing a configuration is on the destination controller The NVRAM mismatch error appears only if you mo
23. detailed information about the jumpers and the connectors 4 Install the 12Gb s Intel RAID Controller in the server and connect SAS devices or SATA II devices to it Make sure that the cables you use conform to all specifications 5 Perform a safety check a Make sure that all cables are attached correctly 12Gb s Intel RAID Controllers User Guide 13 b Make sure that the RAID controller is installed correctly c Close the cabinet of the host system 6 Reconnect the power cords to the system 7 Turn on the power to the system Make sure that the power is turned on to any external drives before the power is turned on to the host computer If the computer is powered up before these devices the devices might not be recognized Detailed Installation This section provides detailed instructions on how to install your 12Gb s Intel RAID Controller The figure in this section shows the installation of the Intel RAID Controller RS3DC080 in a PCIe slot You can install the Intel RAID Controller RS3WC080 and the Intel RAID Controller RS3DC040 in the same way 1 Unpack the 12Gb s Intel RAID Controller Unpack and remove your RAID controller Inspect it for damage If it appears damaged contact your Intel Customer and Technical Support representative 2 Turn off the power to the system Turn off the power to the computer and disconnect the AC power cord Remove the computer cover Refer to the system documentat
24. ent of all predictable drive failures In addition SMART monitors the internal performance of all motors heads and drive electronics Electrical Characteristics This subsection provides the power supply requirements for the 12Gb s Intel RAID Controllers Power Supply Requirements for the Intel RAID Controller RS3WC080 All power is supplied to the Intel RAID Controller RS3WC080 through the PCIe 3 3V rails and the 12V rail On board switching regulator circuitry operating from the 3 3V rails and the 12V rail provides the necessary voltages The following states determine the typical current consumption of the controller e State 1 During a hard reset e State 2 During a drive stress test State 3 While sitting idle at the DOS prompt The supply voltages are 12V 8 percent from PCI edge connector only and 3 3V 9 percent from PCI edge connector only The following table lists the power for the RAID controllers at peak and normal status Table 10 Power Supply for the Intel RAID Controller RS3WC080 Power Mode Power Mode Description DC Power Watts Peak on max Maximum 19 04 On Normal Typical Typical 13 Note The charging circuitry for the battery pack on the optional BBU battery backed daughter card uses 12V If the BBU daughter card is mounted the following power consumption figures apply 30 12Gb s Intel RAID Controllers User Guide During trickle charging of the battery pack Not appl
25. ge between the SAS primary physical link and the power connector on the SAS controller which the SATA connector does not have 12Gb s Intel RAID Controllers User Guide 17 Note SAS backplane connectors accept SAS drives or SATA drives but SATA backplane connectors cannot accept SAS drives Figure 6 SAS Plugs SATA Plugs and SAS Backplane Receptacle Connector SAS Primary Physical Link SAS Secondary Serial Attached SCSI SAS Backplane Receptacle Connector Physical Link RAN Serial ATA xe gt SAS Secondary Physical Link SATA II SAS Primary SATA II Physical Link Physical Link Note SATA backplane connectors do not accept SAS drives The following subsection provides step by step instructions for connecting the 12Gb s Intel RAID Controllers to SAS drives and SATA drives either directly or through an expander Connecting a RAID Controller with Internal Port Connectors by Cable to Internal Drives This section provides step by step instructions for connecting the SAS cable from the internal SAS port connectors on the RAID controller to internal SAS drives and SATA drives Follow these steps to connect your RAID controller with internal SAS port connectors directly to SAS drives or SATA drives Note The Intel RAID Controller RS3DC080 is shown as an example You can connect the Intel RAID Controller RS3DC040 in the same way 1 Insert the SFF 8643 internal mini SAS HD 4i connector on the
26. he flexibility of the RAID controllers 12Gb s Intel RAID Controllers User Guide They support a Flash ROM interface a nonvolatile static RAM NVSRAM interface and a pipelined synchronous burst SRAM PSBRAM interface They offer a flexible programming interface to tune I O performance They permit mixed connections to SAS targets or SATA III targets They leverage compatible connectors for SAS connections and SATA III connections They permit grouping of up to four PHYs in a single quad port to form a wide port They permit programming of the World Wide Name Drive Roaming Note Drive roaming occurs when the drives are changed to different ports on the same controller When the drives are placed on different channels the controller detects the RAID configuration from the configuration data on the drives Configuration data is saved in both the NVRAM on the RAID controller and on the drives attached to the controller This action maintains the integrity of the data on each drive even if the drives have changed their physical device ID If you move a drive that is being rebuilt the rebuild operation restarts it does not resume from the stopping point Follow these steps to use the drive roaming feature 1 Turn off the power to the server and all drives enclosures and system components Disconnect the power cords from the system 2 Open the host system by following the instructions in the host system technical document
27. icable no trickle charge for Li ION During fast charging of the battery pack 230mA in 12V current Operating and Nonoperating Conditions for the Intel RAID Controller RS3WC080 For the Intel RAID Controller RS3WC080 the operating thermal and atmospheric conditions are as follows e Relative humidity range is 5 percent to 90 percent non condensing e Airflow must be at least 75 linear feet per minute LFPM to avoid operating the LSISAS3008 processor above the maximum ambient temperature e Temperature range 0 C to 55 C The parameters for the nonoperating such as storage and transit environment for these controllers are as follows e Relative humidity range is 5 percent to 90 percent non condensing e Temperature range 45 C to 105 C Power Supply Requirements for the Intel RAID Controller RS3DCOx0 All power is supplied to the Intel RAID Controller RS3DCOx0 through the PCIe 3 3V rails and the 12V rail On board switching regulator circuitry operating from the 3 3V rails and the 12V rail provides the necessary voltages The following states determine the typical current consumption of the controller e State 1 While sitting idle at the DOS prompt e State 2 During a drive stress test The supply voltages are 12V 8 percent from PCI edge connector only and 3 3V 9 percent from PCI edge connector only The following table lists the power supply for the RAID controllers for these two states at the different vo
28. ication U EEEEEEEEEEEEEUEUEUUU EE 4 Example of an Intel SAS RAID Controller Configured with an LSISASx12 Expander 4 Example of the Intel RAID Controller RS3DC080 Installation in a PCle Slot 15 Internal SAS Cable for Connection to SAS Drives SATA II Drives or SATA III Drives SATA III CONMGCIONS seein DB gg zn 17 SAS Plugs SATA Plugs and SAS Backplane Receptacle Connector 18 Connecting the Intel RAID Controller RS3DC080 to a Drive 19 Card Layout for the Intel RAID Controller RS3WCO80 ssisesseieeeirereeireerreeeren 22 Card Layout for the Intel RAID Controller RS3DCO80 sssesesseieeeeieeseeieeerreeeeren 24 12Gb s Intel RAID Controllers User Guide vii viii 12Gb s Intel RAID Controllers User Guide List of Tables Table 1 12Gb s Intel RAID Controller Features i Ei rrr aaa 6 Table 2 12Gb s Intel RAID Controller Array Limitations mcnce nenea 8 Table 3 12Gb s Intel RAID Controller Hardware Specifications ccecscseesessesesseseeeeeees 12 Table 4 Jumpers and Connectors on the Intel RAID Controller RS3WCO086 22 Table 5 Jumpers and Connectors on the Intel RAID Controller RS3DC080 24 Table 6 12Gb s Intel RAID Controller Characteristics ereke 27 Table 7 RAID Controller Specifications see ae eee nem ae o kk mea 28 Table 8 Array Performance Features
29. ion for instructions Before you install the controller make sure that the computer is disconnected from the power and from any networks 3 Review the RAID controller jumpers and connectors The jumpers are set at the factory and you usually do not need to change them See Chapter 3 12Gb s Intel RAID Controller Characteristics for diagrams of the 12Gb s Intel RAID Controllers that show their jumpers and connectors 4 Install the RAID controller Select a PCIe slot and align the controller s PCIe bus connector to the slot as shown in the following figure Press down gently but firmly to make sure that the card is seated correctly in the slot Secure the bracket to the computer chassis with the bracket screw Note If your RAID controller has a battery backup unit BBU attached do not press down on the BBU when you insert the card Note This RAID controller is a PCle x8 card and it can operate in x8 or x16 slots Some PCle slots however support only PCle graphics cards if a RAID controller is installed in one of these slots the RAID controller will not 14 12Gb s Intel RAID Controllers User Guide function Refer to the guide for your motherboard for information about the PCIe slot Figure 3 Example of the Intel RAID Controller RS3DC080 Installation in a PCle Slot Bracket 3_01495 01 Edge of Motherboard 5 Configure and install the SAS devices the SATA devices or both in the host computer case
30. le logic device CPLD header Reserved for use J6B7 2 pin connector L m J6B7 3_01791 00 Cache write pending header Connector for an LED mounted on the system enclosure The LED indicates that the data in the cache has yet to be written to the storage devices 12Gb s Intel RAID Controller Characteristics The following table shows the general characteristics for all 12Gb s Intel RAID Controllers Table 6 12Gb s Intel RAID Controller Characteristics Flash Serial SCSI ROMA EEPROME Data Transfer Rate SCSI Feature Tezminati n Yes Yes Up to 12Gb s per port for SAS and Plug and Play Active up to 6Gb s per port for SATA III Scatter Gather Activity LED A For boot code and firmware B For BIOS configuration storage Each 12Gb s Intel RAID Controller ensures data integrity by intelligently validating the compatibility of the SAS domain The 12Gb s Intel RAID Controllers use Fusion MPT architecture which allows for thinner drivers and better performance 12Gb s Intel RAID Controllers User Guide 27 Technical Specifications The design and implementation of the 12Gb s Intel RAID Controllers minimize electromagnetic emissions susceptibility to radio frequency energy and the effects of electrostatic discharge The 12Gb s Intel RAID Controllers show the following marks and certifications e CE mark e C Tick mark e FCC Self Certification logo
31. liver higher data availability performance characteristics or both to host environments Each virtual drive must have a RAID level assigned to it Acronym for Serial Attached SCSI A serial point to point enterprise level device interface that leverages the proven SCSI protocol set The SAS interface provides improved performance simplified cabling smaller connections lower pin count and lower power requirements when compared to parallel SCSI SAS controllers leverage a common electrical and physical connection interface that is compatible with Serial ATA The SAS controllers support the ANSI Serial Attached SCSI Standard Version 2 0 In addition the controller supports the Serial ATA III SATA III protocol defined by the Serial ATA Specification Version 3 0 Supporting both the SAS interface and the SATA III interface the SAS controller is a versatile controller that provides the backbone of both server and high end workstation environments Each port on the SAS RAID controller supports SAS devices SATA devices or both Any device that conforms to the SAS standard and is attached to the SAS bus by a SAS cable This includes SAS RAID controllers host adapters and SAS peripherals Acronym for Serial Advanced Technology Attachment A physical storage interface standard SATA is a serial link that provides point to point connections between devices The thinner serial cables allow for better airflow within the system and permit smalle
32. ller RS3WC080 Board Layout and Jumper and Connector Information This subsection provides the board layout and the connector and jumper information for the Intel RAID Controller RS3WC080 The following figure shows the jumpers and the connectors on the Intel RAID Controller RS3WC080 Note Pin 1 on the headers and connectors is highlighted in red in this figure 12Gb s Intel RAID Controllers User Guide 2 22 Figure 8 Card Layout for the Intel RAID Controller RS3WC080 EC1 J1B J1A 3_02070 00 The following table describes the jumpers and the connectors on the Intel RAID Controller RS3WCO80 Table 4 Jumpers and Connectors on the Intel RAID Controller RS3WC080 Jumper Connector Type Description EC1 Standard edge card connector PCle x8 board edge connector JIA SFF 8643 mini SAS HD 4i internal x4 SAS Port 0 through Port 3 connector J1B SFF 8643 mini SAS HD 4i internal x4 SAS Port 4 through Port 7 connector J2 10 pin header Complex programmable logic device CPLD header Reserved for use J3 2 pin connector Modular RAID Key connector Reserved for use J4 4 pin connector On board Serial Universal Asynchronous Receiver Transmitter UART connector Reserved for use J5 16 pin header RISCwatch header Reserved for use J6 2 pin header Test header Reserved for use 12Gb s Intel RAID Controllers User Guide Intel RAID Controller RS3DC040 and RS3DC080 The I
33. lobal hot spares and dedicated hot Yes Yes Yes spares Support for user defined strip sizes 8 16 32 64 Yes Yes Yes 128 256 512 or 1024 KB Advanced array configuration and management Yes Yes Yes utilities offer these capabilities Online capacity expansion to add space to an existing drive or a new drive Online RAID level migration Drive migration Drive roaming No reboot necessary after expansion Load balancing Media scan 12Gb s Intel RAID Controllers User Guide Feature RS3WC080 RS3DC040 RS3DC080 User specified rebuild rate specifying the percentage Yes Yes Yes of system resources to use from 0 percent to 100 percent Nonvolatile random access memory NVRAM of 32 Yes Yes Yes KB for storing RAID system configuration information the MegaRAID SAS firmware is stored in flash ROM for easy upgrade Full MegaRAID Software Stack No Yes Yes iMR Software Stack Yes No No SAS Features The 12Gb s Intel RAID Controllers support the following SAS features They provide four fully independent PHYs or eight fully independent PHYs depending on the controller They support 12 Gb s 6Gb s and 3Gb s SAS data transfers per PHY They support SMP to communicate topology management information They support SSP to enable communication with other SAS devices They support STP to enable communication with SATA devices through an attached expander They provide a serial
34. ltages Table 11 Power Supply for the Intel RAID Controller RS3DCOx0 PCI Edge Connector State 1 State 2 3 3V supply 793 mA 793 mA 12V supply 915 mA 1090 mA 3 3V auxiliary supply 1mA 1mA Total Power 13 95 W 16 15 W Note The charging circuitry for the battery pack on the optional BBU battery backed daughter card uses 12V If the BBU daughter card is mounted the following power consumption figures apply 12Gb s Intel RAID Controllers User Guide 31 During trickle charging of the battery pack Not applicable no trickle charge for Li ION During fast charging of the battery pack 230mA in 12V current Operating and Nonoperating Conditions for the Intel RAID Controller RS3DCO0x0 For the Intel RAID Controller RS3DCOx0 the operating thermal and atmospheric conditions are as follows e Relative humidity range is 20 percent to 80 percent non condensing e Airflow must be at least 200 linear feet per minute LFPM to avoid operating the LSISAS3108 processor above the maximum ambient temperature e Temperature range 10 C to 55 C without battery backup unit e Temperature range 10 C to 45 C with battery backup unit The parameters for the nonoperating such as storage and transit environment for these controllers are as follows e Relative humidity range is 5 percent to 90 percent non condensing e Temperature range 40 C to 70 C without battery backup unit e Temperature range
35. ntel RAID Controller RS3DC040 is a low profile SAS SATA RAID controller that controls four internal SAS SATA ports through one SFF 8643 internal mini SAS HD 4i connectors The Intel RAID Controller RS3DC080 is a low profile SAS SATA RAID controller that controls eight internal SAS SATA ports through two SFF 8643 internal mini SAS HD 4i connectors Intel RAID Controller RS3DC080 Board Layout and Jumper and Connector Information Note Note This subsection provides the board layout and the connector and jumper information for the Intel RAID Controller RS3DCOx0 The following figure shows the jumpers and the connectors on the Intel RAID Controller RS3DC080 The Intel RAID Controller RS3DC040 is the same as the Intel RAID Controller RS3DC080 except that the JSAI connector on the Intel RAID Controller RS3DC040 is a single internal port connector The J5A1 connector on the Intel RAID Controller RS3DC080 is a dual internal port connector Pin 1 on the headers and connectors is highlighted in red in this figure 12Gb s Intel RAID Controllers User Guide 23 24 Figure 9 Card Layout for the Intel RAID Controller RS3DC080 3_01679 01 J6B5 J6B4 The following table describes the jumpers and the connectors on the Intel RAID Controller RS3DCO80 Table 5 Jumpers and Connectors on the Intel RAID Controller RS3DC080 Jumper dan Connector Type Description J1A2 3 pin connector IPMI style
36. o specifications and product descriptions at any time without notice Designers must not rely on the absence or characteristics of any features or instructions marked reserved or undefined Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them The information here is subject to change without notice Do not finalize a design with this information The products described in this document may contain design defects or errors known as errata which may cause the product to deviate from published specifications Current characterized errata are available on request Copies of documents which have an order number and are referenced in this document or other Intel literature may be obtained by calling 1 800 548 4725 or go to http www intel com design literature htm Intel warranties that this product will perform to its published specifications However all computer systems are inherently subject to unpredictable system behavior under various environmental and other conditions This product is not intended to be the sole source for any critical data and the user must maintain a verified backup Failure to do so or to comply with other user notices in the product user guide and specification documents may result in loss of or access to data 12Gb s Intel RAID Controllers User Guide Preface This is the primary user guide for the 12
37. ompt times out after several seconds The second portion of the BIOS message shows the 12Gb s Intel RAID Controller number firmware version and cache SDRAM size The numbering of the controllers follows the PCI slot scanning order used by the host motherboard Run the RAID BIOS Console Configuration Utility Run the RAID BIOS Console Configuration Utility to configure the drive groups and the virtual drives When the message Press Ctrl G for RAID BIOS Console appears on the screen immediately press Ctrl G to run the utility Install the operating system driver The 12Gb s Intel RAID Controllers can operate under various operating systems To operate under these operating systems you must install the software drivers After Installing the RAID Controller After you install the 12Gb s Intel RAID Controller you must configure the controller and install the operating system driver The Intel RAID Software User Guide instructs you on the configuration options and how to set them on your 12Gb s Intel RAID Controller The Intel SAS Device Driver Installation User Guide provides detailed installation instructions for operating system drivers SAS Device Cables and Connectors This section describes the cables and the connectors used on the 12Gb s Intel RAID Controllers and provides step by step instructions for connecting SAS drives SATA drives or both to the 12Gb s Intel RAID Controller The SAS protocol and the SATA protocol u
38. r chassis designs Acronym for Serial Management Protocol SMP communicates topology management information directly with an attached SAS expander device Each PHY on the controller can function as an SMP initiator Acronym for Serial SCSI Protocol SSP enables communication with other SAS devices Each PHY on the SAS controller can function as an SSP initiator or an SSP target Acronym for Serial Tunneling Protocol STP enables communication with a SATA device through an attached expander Each PHY on the SAS controller can function as an STP initiator The portion of a stripe that resides on a single drive The total drive space consumed by a stripe not including a parity drive For example if a stripe contains 64 KB of drive space and has 16 KB of data residing on each drive the stripe size is 64 KB and the strip size is 16 KB A larger stripe size produces improved read performance especially if most of the reads are sequential For mostly random reads select a smaller stripe size Drive striping writes data across two or more drives Each stripe spans two or more drives but consumes only a portion of each drive Each drive therefore may have several stripes The amount of space consumed by a stripe is the same on each drive that is included in the stripe The portion of a stripe that resides on a single drive is a strip also known as a stripe element Striping by itself does not provide data redundancy striping in combination wi
39. rollers support the ANSI Serial Attached SCSI standard version 3 0 In addition the controller supports the SATA III protocol defined by the Serial ATA specification version 3 0 Supporting both the SAS interface and the SATA interface the SAS controller is a versatile controller that provides the backbone of both server and high end workstation environments Each port on your RAID controller supports SAS devices SATA devices or both by using the following protocols e SAS Serial SCSI Protocol SSP which enables communication with other SAS devices e SATA which enables communication with other SATA devices e Serial Management Protocol SMP which communicates topology management information directly with an attached SAS expander device e Serial Tunneling Protocol STP which enables communication with SATA devices through an attached expander General Description The 12Gb s Intel RAID Controllers bring 12 0 Gb s Serial Attached SCSI and SATA II performance to host adapter workstation and server designs The 12Gb s Intel RAID Controllers are based on the LSISAS3108 RAID On a Chip ROC device or the LSISAS3008 SAS chip The controllers support internal storage devices and external storage devices which allow you to use a system that supports enterprise class SAS drives and desktop class SATA III drives Each 12Gb s Intel RAID Controller can connect to drives directly and can use expanders to connect to additional drives
40. s 5 5 A The number assumes one storage enclosure processor SEP per enclosure The maximum numbers in the previous table depend on how many physical devices you have connected to the RAID controller For example the maximum number of drive groups is equal to the number of drives that are supported by the controller Thus for the Intel RAID Controller RS3DCOx0 the maximum number of drive groups per controller is 240 which is based on the maximum number of physical devices that you can connect In addition the maximum number of hot spares per controller is equal to the maximum number of drives per controller Although you can have up to 16 virtual drives per drive group and up to 128 drive groups on most of the controllers a limit of 64 virtual drives exists on those controllers These RAID controllers support 64 bit logical block addressing LBA which makes it possible to connect a large number of drives to the RAID controller directly and through expanders However the actual number of drives that you can attach depends on the limits listed in this table rather than by actual RAID volume capacity SATA Ill Features The following list describes the SATA III features of the RAID controllers e They support SATA III data transfers of 6Gb s for LSISAS3108 based controllers e They support STP data transfers of 3Gb s They provide a serial point to point storage interface They simplify cabling between devices e
41. se a thin 7 wire connector instead of the 68 wire SCSI cable or the 40 wire ATA cable 12Gb s Intel RAID Controllers User Guide Note Use only straight SAS cables not crossover SAS cables The following figure shows the SAS cable that connects the internal connectors on a SAS RAID controller to SAS drives SATA drives or both Figure 4 Internal SAS Cable for Connection to SAS Drives SATA II Drives or SATA III Drives SAS SATA III Device 32 Bit Memory Address Data SAS Flash ROM PCI Express PSBRAM RAID Controller NVSRAM SAS SATA III Device PC Interface SAS SATA III Device Lg SAS SATA III Device LQ PCI Express Interface The following figure shows the SATA III device plug connector that connects a SAS RAID controller with internal connectors to the host receptacle connector on a backplane A SATA III connector consists of a signal connector and a power connector Figure 5 SATA III Connectors Device Plug Connector Serial ATA Signal Connector pin 1 Serial ATA Power Connector Connector The following figure shows SAS connectors and SATA connectors on SAS drives and SATA drives respectively Cables connect internal connectors on the RAID controllers to connectors on SAS drives SATA drives or both Both SAS drives and SATA drives can connect to SAS backplane receptacle connectors The difference between the SAS connector and the SATA connector is the brid
42. th parity provides data redundancy The drive space consumed by a strip For example if a stripe contains 64 KB of drive space and has 16 KB of data residing on each drive the stripe size is 64 KB and the strip size is 16 KB The stripe depth is four four drives in the stripe You can specify strip sizes of 8 KB 16 KB 32 KB 64 KB 128 KB 256 KB 512 KB or 1 MB 12Gb s Intel RAID Controllers User Guide 35 36 12Gb s Intel RAID Controllers User Guide
43. tion The Intel RAID Controller RS3DCOx0 supports the following cache configuration 1 GB 72b arrangement 5 128Mbx16 Double Data Rate III DDR3 1866 MHz with Intel RAID Maintenance Free Backup support Size of flash ROM for firmware 16 MB NVRAM 32 KB for storing RAID configurations Array Performance Features The following table shows the array performance features for the 12Gb s Intel RAID Controllers Table 8 Array Performance Features Specification Intel RAID Controller RS3WC080 RS3DC040 and RS3DC080 PCI Express host data transfer rate 8GT s per lane Drive data transfer rate 12Gb s per lane Maximum scatter gather I O 80 elements Maximum size of I O requests 6 4 MB in 64 KB strips Maximum queue tags per drive As many as the drive can accept Strip sizes 8 KB 16 KB 32 KB 64 KB 128 KB 256 KB 512 KB or 1 MB Maximum number of concurrent commands 255 Fault Tolerance The following table lists the fault tolerance features for the 12Gb s Intel RAID Controllers 12Gb s Intel RAID Controllers User Guide 29 Table 9 Fault Tolerance Features meena son jie aes Support for SMART Yes Drive failure detection Automatic Drive rebuild using hot spares Automatic Parity generation and checking Yes A The Self Monitoring Analysis and Reporting Technology SMART detects up to 70 perc
44. unt and lower power requirements when compared to parallel SCSI The SAS controllers leverage a common electrical and physical connection interface that is compatible with Serial ATA technology The SAS protocols and the SATA III protocols use a thin 7 wire connector instead of the 68 wire SCSI cable or 26 wire ATA cable The SAS SATA III connector and cable are easier to manipulate allow connections to smaller devices and do not inhibit airflow The point to point SATA III architecture eliminates inherent difficulties created by the legacy ATA master slave architecture while maintaining compatibility with existing ATA firmware PCI Express Architecture PCIe is a local bus system designed to increase data transfers without slowing down the central processing unit CPU You can install the 12Gb s Intel RAID Controllers in PCIe computer systems with a standard bracket type With these controllers in your system you can connect SAS devices and SATA devices over the bus Note Some PCle slots support PCle graphics cards only RAID controllers installed in these PCIe slots do not function PCle goes beyond the PCI specification in that it is intended as a unifying I O architecture for various systems desktops workstations mobile devices servers communications and embedded devices Operating System Support The 12Gb s Intel RAID Controllers support the following operating systems e Microsoft Windows 2003 R2 SP2 Windows Vista S
45. ve all of the drives to the other controller 2 Turn off power to the server and all drives enclosures and system components Disconnect the power cords from the systems 3 Open the host system by following the instructions in the host system technical documentation 4 Either remove the SAS cable connectors from the internal drives or remove the shielded cables from the external drives that you want to migrate a Make sure that pin 1 on the cable matches pin 1 on the connector b Make sure that the SAS cables conform to all SAS specifications 5 Remove the drives from the first system and insert them into the drive bays on the second system 6 Connect the SAS cables to the drives in the second system 7 Determine the SAS target requirements 8 Perform a safety check a Make sure that all of the cables are attached correctly b Make sure that the RAID controller is installed correctly c Close the cabinet of the host system 9 Reconnect the power cords to the system 10 Turn on the power to the system The controller detects the RAID configuration from the configuration data on the drives Hardware Specifications You can install the 12Gb s Intel RAID Controllers in a computer with a motherboard that has a PCIe slot The following table describes the hardware configuration features for the 12Gb s Intel RAID Controllers 12Gb s Intel RAID Controllers User Guide 1 Table 3 12Gb s Intel RAID Controller Hard
46. ves you the flexibility to combine these two similar technologies on the same controller within the same enclosure and in the same virtual drive Carefully assess any decision to mix SAS drives and SATA drives within the same virtual drive Although you can mix drives the practice is strongly discouraged Intel offers a family of 12Gb s Intel RAID Controllers that address the needs for both internal and external solutions The 12Gb s Intel RAID Controllers are based on the LSI first to market SAS IC technology and proven MegaRAID technology As second generation PCIe RAID controllers these controllers address the growing demand for increased data throughput and scalability requirements across midrange and enterprise class server platforms These controllers provide these features e 12 Gb s Serial Attached SCSI SAS performance e 6 Gb s SATA III performance e Eight lane 8 GT s PCIe host interface 12Gb s Intel RAID Controllers with Support for RAID Maintenance Free Back Units The Intel RAID Controller RS3DCOx0 supports the RAID Maintenance Free Backup Unit that protects the integrity of the cached data on Intel Integrated RAID Modules by offloading the data stored in the RAM cache to NAND flash during a power loss event And it eliminates the need for lithium ion Li ion batteries traditionally used to protect DRAM cache memory on RAID controllers SAS SATA Standards and Communication Protocols The 12Gb s Intel RAID Cont
47. ware Specifications Specification Intel RAID Controller RS3WC080 Intel RAID Controller RS3DC040 RS3DC080 RAID levels 0 1 5 10 50 0 1 5 6 10 50 60 Devices supported per port Up to 15 SAS devices or SATA III devices such as drives and expanders Up to 15 SAS devices or SATA III devices such as drives and expanders Number of ports Eight ports through two SFF 8643 mini SAS HD 4i connectors Intel RAID Controller RS3DC040 Four ports through one SFF 8643 mini SAS HD 4i connector Intel RAID Controller RS3DC080 Eight ports through two SFF 8643 mini SAS HD 4i connectors Data transfer rate Up to 12Gb s per PHY Up to 12Gb s per PHY Bus PCle 3 0 PCle 3 0 Cache function Write through non read ahead cache I O direct I O Write back write through non read ahead read ahead cache I O direct I O Multiple virtual drives per controller Up to 64 this value is dependent on the firmware Up to 64 this value is dependent on the firmware Online capacity expansion Yes Yes Dedicated and global hot spares Yes Yes Hot swap devices supported Yes Yes Non drive devices supported Yes Yes Mixed capacity drives supported Yes Yes Number of internal connectors Two SFF 8643 mini SAS HD 4i connectors Intel RAID Controller RS3DC040 One SFF 8643 mini SAS HD 4i connector Intel RAID Controller RS3DCO80 Two SFF 8643 mini
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