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Configuration Scenarios

1-7

 

Figure 1.1

Example of a SAS Direct-Connect Application

The following figure shows an example of a ServeRAID controller 
configured with an expander that is connected to SAS disks, SATA III 
disks, or both.

Figure 1.2

Example of a ServeRAID Controller Configured with an 
Expander

Flash ROM/

SAS

PCI Express

RAID Controller

SAS/SATA III Device

32-Bit Memory

Address/Data

Bus

PSBRAM/

I

2

C

SAS/SATA III Device

SAS/SATA III Device

SAS/SATA III Device

PCI Express Interface

NVSRAM

I

2

C

Interface

Expander

Flash ROM/

NVSRAM/

SRAM

 I

2

C/UART

Expander

SAS/SATA III

Drives

PCI Express Interface

SAS/SATA

Drives

SAS/SATA III

Drives

SAS/SATA III

Drives

SAS/SATA III

Drives

8

SRAM

SRAM

SDRAM

Peripheral

Bus

72-bit DDR/DDR2

with ECC

Interface

PCI Express to SAS ROC

 

SAS RAID Controller

 

 

Содержание ServeRAID M1115

Страница 1: ...ServeRAID M1115 SAS SATA Controller USER S GUIDE ...

Страница 2: ...012 2017 All rights reserved LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Страница 3: ...of the ServeRAID M1115 SAS SATA controller Chapter 2 ServeRAID Controller Hardware Installation describes the procedures for installing the ServeRAID M1115 SAS SATA controller Chapter 3 ServeRAID M1115 SAS SATA Controller Characteristics provides the characteristics and technical specifications for the ServeRAID M1115 SAS SATA controller Appendix A Getting Help and Technical Assistance contains in...

Страница 4: ...veRAID M Software User s Guide This document explains how to use the storage configuration utilities to configure monitor and maintain your ServeRAID M controller and the storage related devices connected to the controllers Safety Information This document contains translated caution and danger statements Each caution and danger statement that appears in the documentation has a number that you can...

Страница 5: ...Preface v Safety ...

Страница 6: ...vi Preface ...

Страница 7: ...Preface vii ...

Страница 8: ...viii Preface Safety Statements ...

Страница 9: ...Preface ix ...

Страница 10: ...rface to remove any static charge your body may have accumulated In addition to the preceding precautions you can also take the following steps to prevent damage from electrostatic discharge When unpacking a static sensitive component from its shipping carton do not remove the component from the antistatic packing material until you are ready to install the component in your computer Just before u...

Страница 11: ...nefits of the SAS Interface 1 8 1 7 1 PCI Express Architecture 1 9 1 7 2 Operating System Support 1 9 1 8 Benefits of the ServeRAID M1115 Controller 1 9 1 8 1 SAS Features 1 10 1 8 2 SAS Array Limitations 1 11 1 8 3 SATA III Features 1 12 1 8 4 PCI Express Performance 1 12 1 8 5 Usability Features 1 12 1 8 6 Flexibility Features 1 13 1 8 7 Drive Roaming 1 13 1 8 8 Drive Migration 1 14 1 8 9 New Dr...

Страница 12: ...l Specifications 3 3 3 3 1 Controller Specifications 3 4 3 3 2 Array Performance Features 3 5 3 3 3 Fault Tolerance 3 5 3 3 4 Power Supply Requirements for the ServeRAID M1115 SAS SATA Controller 3 6 3 3 5 Operating and Non operating Conditions 3 6 3 3 6 Safety Characteristics 3 7 Appendix A Getting Help and Technical Assistance A 1 Before you call A 2 A 2 Using the documentation A 3 A 3 Getting h...

Страница 13: ...on EMC Directive conformance statement B 6 B 5 5 Germany Class A statement B 7 B 5 6 Japan VCCI Class A statement B 8 B 5 7 Korea Communications Commission KCC statement B 8 B 5 8 Russia Electromagnetic Interference EMI Class A statement B 9 B 5 9 People s Republic of China Class A electronic emission statement B 9 B 5 10 Taiwan Class A compliance statement B 9 Appendix C Glossary of Terms and Abb...

Страница 14: ...xiv Contents ...

Страница 15: ...mple of a ServeRAID Controller Configured with an Expander 1 7 2 1 ServeRAID M1115 Controller Installation in a PCI Express Slot 2 4 2 2 Connecting a ServeRAID M1115 Controller Internal Connector to a Drive Backplane 2 7 3 1 Card Layout for the ServeRAID M1115 RAID Controller 3 2 ...

Страница 16: ...xvi Contents ...

Страница 17: ...RAID M1115 SAS SATA Controller Specifications 1 17 3 1 ServeRAID M1115 Controller Connectors 3 2 3 2 ServeRAID M1115 SAS SATA Controller Characteristics 3 3 3 3 ServeRAID M1115 SAS SATA Controller Specifications 3 4 3 4 Array Performance Features 3 5 3 5 Fault Tolerance Features 3 5 3 6 Power Supply for the ServeRAID M1115 SAS SATA Controller 3 6 ...

Страница 18: ...arios Section 1 7 Benefits of the SAS Interface Section 1 8 Benefits of the ServeRAID M1115 Controller Section 1 9 Hardware Specifications Section 1 10 Technical Support 1 1 Overview The ServeRAID M1115 Serial Attached SCSI SAS Serial ATA SATA controller is a high performance intelligent PCI Express to SAS SATA controller with RAID control capabilities This controller provides reliability high per...

Страница 19: ...alability requirements across midrange and enterprise class server platforms Lenovo offers a family of SAS controllers to address the needs for both internal solutions and external solutions The controller supports the SAS protocol as described in the Serial Attached SCSI Standard version 3 0 In addition the controller supports the Serial ATA II SATA II and SATA III protocols The SATA III protocol...

Страница 20: ...3 ServeRAID M1115 SAS SATA Controller Descriptions and Limitations The ServeRAID M1115 SAS SATA controller is a PCI Express 2 0 half size half height RAID controller based on the LSISAS2008 PCI Express SAS SATA I O Processor chip The ServeRAID M1115 SAS SATA ...

Страница 21: ...d State SATA drives in the same virtual disk See Section 3 3 4 Power Supply Requirements for the ServeRAID M1115 SAS SATA Controller for information about the power requirements and Section 3 3 5 Operating and Non operating Conditions for information about the minimum and the maximum temperature ranges 1 4 Technical Description The ServeRAID M1115 controller brings 6 0 Gb s Serial Attached SCSI an...

Страница 22: ... with either data mirroring or a parity block Either backup method enables you to recover lost data in the event of a disk failure You can select the data backup method that best suits your needs A hardware RAID assist exclusive OR XOR engine speeds parity generation and checking and reduces system access times The controller supports the SAS protocol as described in the Serial Attached SCSI Stand...

Страница 23: ...enarios in which you can use this ServeRAID controller Low end internal SATA configuration In this configuration use the ServeRAID controller as a high end SATA compatible controller that connects to several SATA disks This type of configuration is mostly for low end or entry servers Enclosure management is provided through out of band I2 C bus Side bands of both types of internal SAS connectors s...

Страница 24: ...Expander Flash ROM SAS PCI Express RAID Controller SAS SATA III Device 32 Bit Memory Address Data Bus PSBRAM I2 C SAS SATA III Device SAS SATA III Device SAS SATA III Device PCI Express Interface NVSRAM I2C Interface Expander Flash ROM NVSRAM SRAM I2 C UART Expander SAS SATA III Drives PCI Express Interface SAS SATA Drives SAS SATA III Drives SAS SATA III Drives SAS SATA III Drives 8 SRAM SRAM SDR...

Страница 25: ...ure 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 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 clo...

Страница 26: ... With this controller in your system you can connect SCSI devices and SATA devices over the bus PCI Express goes beyond the PCI specification in that it is intended as a unifying I O architecture for various systems desktops workstations mobile server communications and embedded devices 1 7 2 Operating System Support To check for the latest list of supported operating systems and to download the d...

Страница 27: ...guration information the MegaRAID SAS firmware is stored in flash ROM for easy upgrade 1 8 1 SAS Features The following list describes the SAS features of the ServeRAID M1115 controller Provides eight fully independent PHYs Supports 6 0 Gb s SAS data transfers per PHY Supports SSP to enable communication with other SAS devices Supports SMP to communicate topology management information Provides a ...

Страница 28: ...d in Table 1 2 rather than by the actual RAID volume capacity The maximum numbers in Table 1 2 depend on how many physical devices you have connected to the controller For example the maximum number of arrays per controller is equal to the number of physical disks supported by the controller up to the limit of 16 arrays per controller In addition though you can have up to 16 virtual disks per arra...

Страница 29: ...n expander 1 8 4 PCI Express Performance The following list describes the PCI Express performance features of the ServeRAID M1115 controller Provides a PCI Express interface that Supports a dedicated PCI Express bus Supports x8 lane configuration Supports transfer rates of up to 5 Gb s per lane Complies with the PCI Express Specification Revision 2 0 Provides unequaled performance through the Fusi...

Страница 30: ...nections to SAS targets or SATA targets Leverages compatible connectors for SAS connections and SATA connections Allows grouping of up to four PHYs in a single quad port to form a wide port Allows programming of the World Wide Name 1 8 7 Drive Roaming Drive roaming occurs when the physical disks are changed to different ports on the same controller When the drives are placed on different channels ...

Страница 31: ... inserted correctly b Close the cabinet of the host system Step 6 Reconnect the power cords to the system Step 7 Turn on the power to the system The controller then detects the RAID configuration from the configuration data on the drives 1 8 8 Drive Migration 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...

Страница 32: ...e host system following the instructions in the host system technical documentation Step 4 Remove the SAS cable connectors from the internal 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 Step 5 Remove the physical disks from the first system and insert them into drive bays on the ...

Страница 33: ... See the ServeRAID M Software User s Guide for the procedures used to import a foreign configuration or change a drive state from unconfigured bad to unconfigured good 1 8 10 Automatic Rebuilds on New Drives Automatic rebuilds occur when the drive slot status changes For example an automatic rebuild occurs when you insert a new drive or when you remove a drive and a hot spare replaces the removed ...

Страница 34: ...are configuration features of the controller Table 1 3 ServeRAID M1115 SAS SATA Controller Specifications Specification ServeRAID M1115 SAS SATA Controller RAID Levels 0 1 5 10 and 50 in Integrated MegaRAID mode RAID 5 and 50 are supported with an optional upgrade key Devices Supported per Port Up to 8 SAS or SATA devices such as drives and expanders Ports Eight internal Data Transfer Rate Up to 6...

Страница 35: ...SAS 4i SFF 8087 connectors Hardware Exclusive OR XOR Assistance Yes Direct I O Yes Architecture Fusion MPT 1 The ServeRAID M1115 SAS SATA controller does not support cache policy which includes write back write through adaptive read ahead non read ahead read ahead cache I O and direct I O settings Table 1 3 ServeRAID M1115 SAS SATA Controller Specifications Cont Specification ServeRAID M1115 SAS S...

Страница 36: ...2 4 Connecting a ServeRAID M1115 SAS SATA Controller to a Drive Backplane on an Enclosure Section 2 5 After Installing the Controller 2 1 Requirements The following items are required for installation A ServeRAID M1115 SAS SATA controller A host system with an available PCI Express expansion slot The ServeRAID M Documentation CD containing the documentation The necessary internal cables SAS physic...

Страница 37: ... SATA III devices to it Make sure that the cables you use conform to all specifications Step 4 Perform a safety check a Make sure that all cables are properly attached b Make sure that the controller is installed correctly c Close the cabinet of the host system Step 5 Reconnect the power cords to the system and to all attached devices Step 6 Turn on the power to the system after you complete the s...

Страница 38: ... the ServeRAID M1115 controller with its connectors Step 4 Review the Controller Limitations Review Section 1 3 1 Controller Limitations before you install the controller in the system Step 5 Install the Controller Select a PCI Express slot and align the controller s PCI Express bus connector to the slot Press down gently but firmly to ensure that the card is properly seated in the slot Secure the...

Страница 39: ...losure for details on connecting the controller to the enclosure Step 7 Turn on the Power to the System Reinstall the computer cover and reconnect the AC power cords then turn on the power to the computer For the United Extensible Firmware Interface UEFI no BIOS message displays Press F1 to enter System Setup Refer to your system user s guide for specific configuration information Under other inte...

Страница 40: ...l the Operating System Driver The controller can operate under various operating systems To operate under these operating systems you must install the software drivers You can find and download the latest drivers at http support lenovo com Device driver updates are made available periodically To make sure that you have the current version of the driver download the latest driver at http support le...

Страница 41: ...es Note Use only straight SAS cables not cross over SAS cables Follow these steps to connect an internal x4 mini SAS 4i SFF 8087 connector on the cable to the controller and the drive backplane Step 1 Read the safety information that comes with the controller Step 2 Turn off the server and peripheral devices and disconnect the power cords Step 3 Remove the server cover Step 4 Plug the internal x4 ...

Страница 42: ...removed Step 9 Turn on the peripheral devices and the server 2 5 After Installing the Controller After the you install the controller you must configure it and install the operating system driver The ServeRAID M Software User s Guide instructs you on the configuration options and how to set them on your controller The ServeRAID M Device Driver Installation User s Guide provides detailed installati...

Страница 43: ...s 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 server communications and embedded devices The ServeRAID M1115 controller has one LSISAS2008 ROC RAID on chip processor that controls eight internal SAS SATA ports through two internal x4 mini SAS 4i SFF 8087 connectors 3 1 1...

Страница 44: ...or LEDs that indicates drive activity or drive faults J4 Ports 4 7 internal connector internal x4 mini SAS 4i SFF 8087 connector Connects the cables from the controller to SAS drives or SATA drives or a SAS expander J5 Ports 0 3 internal connector internal x4 mini SAS 4i SFF 8087 connector Connects the cables from the controller to SAS drives or SATA drives or a SAS expander J6 PCI Express x8 boar...

Страница 45: ...the ServeRAID M1115 SAS SATA controller minimize electromagnetic emissions susceptibility to radio frequency energy and the effects of electrostatic discharge The controller carries the following marks and certifications CE mark C Tick mark FCC Self Certification logo Canadian Compliance Statement Korean MIC Taiwan BSMI Japan VCCI In addition the controller meets the requirements of CISPR Class B ...

Страница 46: ...with Integrated PowerPC processor Operating Voltage 3 3 V 12 V Card Size Low profile PCI Express controller card size 2 713 x 6 6 Array Interface to Host PCI Express Rev 2 0 Type of Drives Supported Serial Attached SCSI SAS and Serial ATA SATA PCI Express Bus Data Transfer Rate Up to 5 Gb s per lane x8 lane width Up to 2 Gbytes s per direction for SAS x4 cards 4 Gbytes s total Serial Port 3 pin RS...

Страница 47: ...catter Gathers 26 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 or 64 Kbyte Maximum Number of Concurrent Commands 255 Table 3 5 Fault Tolerance Features Specification ServeRAID M1115 SAS SATA Controller Support for SMART1 1 The Self Monitoring Analysis and Reporting Technology SMART detects up ...

Страница 48: ...m PCI edge connector only Table 3 6 lists the power supply for the controller for each of the three states at the different voltages 3 3 5 Operating and Non operating Conditions The operating thermal and atmospheric conditions for the ServeRAID M1115 SAS SATA controller are Relative humidity range is 20 percent to 80 percent noncondensing Airflow must be at least 200 linear feet per minute LFPM to...

Страница 49: ...6 Safety Characteristics The ServeRAID M1115 SAS SATA controller meets or exceeds the requirements of UL flammability rating 94 V0 Each bare board is also marked with the supplier name or trademark type and UL flammability rating The board is installed in a PCI Express bus slot so all voltages are lower than the SELV 42 4 V limit ...

Страница 50: ...ServeRAID M1115 SAS SATA Controller User s Guide A 1 Appendix A Getting Help and Technical Assistance ...

Страница 51: ...A 2 Getting Help and Technical Assistance A 1 Before you call ...

Страница 52: ...Using the documentation A 3 A 2 Using the documentation A 3 Getting help and information from the World Wide Web ...

Страница 53: ...A 4 Getting Help and Technical Assistance A 4 Software service and support A 5 Hardware service and support ...

Страница 54: ...Taiwan product service A 5 A 6 Taiwan product service ...

Страница 55: ...ServeRAID M1115 SAS SATA Controller User s Guide B 1 Appendix B Notices ...

Страница 56: ...B 2 Notices B 1 Trademarks ...

Страница 57: ...Important Notes B 3 B 2 Important Notes ...

Страница 58: ...B 4 Notices B 3 Recycling information B 4 Telecommunication regulatory statement B 5 Electronic emission notices ...

Страница 59: ...Electronic emission notices B 5 B 5 1 Federal Communications Commission FCC statement B 5 2 Industry Canada Class A emission compliance statement B 5 3 Australia and New Zealand Class A statement ...

Страница 60: ...B 6 Notices B 5 4 European Union EMC Directive conformance statement ...

Страница 61: ...Electronic emission notices B 7 B 5 5 Germany Class A statement ...

Страница 62: ...B 8 Notices B 5 6 Japan VCCI Class A statement B 5 7 Korea Communications Commission KCC statement ...

Страница 63: ...tronic emission notices B 9 B 5 8 Russia Electromagnetic Interference EMI Class A statement B 5 9 People s Republic of China Class A electronic emission statement B 5 10 Taiwan Class A compliance statement ...

Страница 64: ...er 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 device driver A program that allows a microprocessor through the operating system to direct the operation of a peripheral device domain validation Domain Validation is a software procedure in which a host queries a device to determine ...

Страница 65: ...edundancy RAID levels 1 5 and 10 not RAID level 0 and the hot spare must have sufficient capacity internal SAS device A SAS device installed inside the computer cabinet These devices are connected by using a shielded cable main memory The part of a computer s memory which is directly accessible by the CPU usually synonymous with RAM NVRAM Acronym for Nonvolatile Random Access Memory An EEPROM Elec...

Страница 66: ...l disks managed together to yield higher reliability and or performance exceeding that of a single physical disk The RAID array appears to the controller as a single storage unit I O is expedited because several disks can be accessed simultaneously Redundant RAID levels RAID levels 1 5 and 10 provide data protection RAID levels A set of techniques applied to disk groups to deliver higher data avai...

Страница 67: ...ry to store data They have no moving parts and are faster and more reliable than hard disk drives HDDs SSP 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 SSP target STP Acronym for Serial Tunneling Protocol STP enables communication with a SATA device through an attached expander Each PHY on the S...

Страница 68: ...ce consumed by a stripe is the same on each disk included in the stripe The portion of a stripe that resides on a single disk is a stripe element Striping by itself does not provide data redundancy striping in combination with parity provides data redundancy ...

Страница 69: ...P N 81Y1009 ...

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