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1-10

Overview

•

Advanced array configuration and management utilities

•

Online RAID level migration

•

Drive migration

•

Drive roaming

•

Media scan

•

No reboot necessary after expansion

•

More than 200 Qtags per array

•

Hardware clustering support on the board

•

User-specified rebuild rate

•

32-Kbyte nonvolatile random access memory (NVRAM) for storing
RAID system configuration information; the MegaRAID SAS firmware
is stored in flash ROM for easy upgrade.

1.6.1

SAS Features

The following list describes the SAS features of the ServeRAID-MR10M
controller:

•

Provides eight fully independent PHYs

•

Supports 3.0 Gbit/s SAS data transfers per PHY

•

Supports SSP to enable communication with other SAS devices

•

Supports SMP to communicate topology management information

•

Provides a serial, point-to-point, enterprise-level storage interface

•

Simplifies cabling between devices

•

Provides a scalable interface that supports up to 216 devices
through the use of expanders

•

Supports wide ports consisting of 2, 3, or 4 PHYs within a single
quad port

•

Supports narrow ports consisting of a single PHY

•

Transfers data using SCSI information units

Содержание Redbooks ServeRAID-MR10M

Страница 1: ...IBM P N 81Y1995 ServeRAID MR10M USER S GUIDE J u n e 2 0 1 0...

Страница 2: ...June 2010 Copyright International Business Machines Corporation 2007 2010 All rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contra...

Страница 3: ...operating system drivers refer to the ServeRAID MR Device Driver Installation User s Guide Audience This document assumes that the reader is familiar with RAID controllers and related support devices...

Страница 4: ...6 Using the Intelligent Battery Backup Unit explains how to use and monitor the iBBU model and how to replace it Chapter 7 Intelligent Battery Backup Unit Specifications has complete technical informa...

Страница 5: ...t in your language in the IBM Systems Safety Notices document The following notices and statements are used in this document Note These notices provide important tips guidance or advice Important Thes...

Страница 6: ...ety Note Use the ServeRAID MR10M SAS SATA Controller with UL listed Information Technology Equipment ITE products only IBM Document Number Edition Date Remarks 81Y1995 Fourth Edition June 2010 Updated...

Страница 7: ...ting plate Connect any equipment that will be attached to this product to properly wired outlets When possible use one hand only to connect or disconnect signal cables Never turn on any equipment when...

Страница 8: ...g an unpainted metal surface such as the metal around the card slot openings at the back of the computer As you continue to work inside the computer periodically touch an unpainted metal surface to re...

Страница 9: ...2 Operating System Support 1 9 1 6 Summary of the ServeRAID MR10M SAS SATA Controller Characteristics 1 9 1 6 1 SAS Features 1 10 1 6 2 SAS Array Limitations 1 11 1 6 3 SATA II Features 1 12 1 6 4 PC...

Страница 10: ...formance Features 3 5 3 3 3 Fault Tolerance 3 6 3 3 4 Power Supply Requirements for the ServeRAID MR10M Controller 3 6 3 3 5 Operating and Non operating Conditions 3 7 3 3 6 Safety Characteristics 3 7...

Страница 11: ...earn Cycle Properties 6 12 Starting a Learn Cycle Manually 6 12 6 2 Replacing the Battery Backup Unit 6 13 6 3 Transferring Cached Data from a Failed Controller 6 13 6 4 Resolving a Configuration Mism...

Страница 12: ...xii Contents...

Страница 13: ...2 2 Connecting the ServeRAID MR10M Controller to a Drive Enclosure 2 7 3 1 Card Layout for the ServeRAID MR10M RAID Controller 3 2 5 1 Intelligent Battery Backup Unit 5 2 5 2 Installing the iBBU Daug...

Страница 14: ...xiv Contents...

Страница 15: ...ntroller Specifications 3 4 3 4 Array Performance Features 3 5 3 5 Fault Tolerance Features 3 6 3 6 Power Supply for the ServeRAID MR10M Controller 3 7 6 1 Display BBU Information 6 6 6 2 Display BBU...

Страница 16: ...xvi Contents...

Страница 17: ...tion 1 8 Technical Support 1 1 Overview The ServeRAID MR10M SAS SATA Controller is a high performance intelligent PCI Express to SAS SATA II adapter with RAID control capabilities The ServeRAID MR10M...

Страница 18: ...Note You must charge the battery before use See Chapter 4 Introduction to the Intelligent Battery Backup Unit for more information about the intelligent battery backup unit The controller supports the...

Страница 19: ...State Drives SSDs and legacy mechanical drives SAS or SATA in the same virtual disk You cannot mix Solid State Drives and Solid State SATA Drives in the same virtual disk See Section 3 3 4 Power Supp...

Страница 20: ...mance and provides fault tolerant data storage The LSISAS1078 supports data striping across multiple disks which reduces disk access time because multiple disks simultaneously read or write data The L...

Страница 21: ...ither directly or through a port expander This 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 external S...

Страница 22: ...sh ROM SAS PCI Express RAID Controller SAS SATA II Device 32 Bit Memory Address Data Bus PSBRAM I2 C SAS SATA II Device SAS SATA II Device SAS SATA II Device PCI Express Interface I2C Interface NVSRAM...

Страница 23: ...l disks available for configuration depends on the number of enclosures used in the system Note that the maximum number of physical disks available for configuration could be less than the 256 listed...

Страница 24: ...physical connection interface that is compatible with Serial ATA technology The SAS protocols and SATA II protocols use a thin 7 wire connector instead of the 68 wire SCSI cable or 26 wire ATA cable...

Страница 25: ...erveRAID MR10M controllers use Fusion MPT architecture for all major operating systems thinner drivers and better performance 1 6 Summary of the ServeRAID MR10M SAS SATA Controller Characteristics Thi...

Страница 26: ...ures The following list describes the SAS features of the ServeRAID MR10M controller Provides eight fully independent PHYs Supports 3 0 Gbit s SAS data transfers per PHY Supports SSP to enable communi...

Страница 27: ...RAID controller directly and through expanders However the actual number of drives that you can attach depends on the limits listed in Table 1 2 rather than by actual RAID volume capacity See Table 1...

Страница 28: ...r 1 6 4 PCI Express Performance The following list describes the PCI Express performance features of the ServeRAID MR10M controller Provides a PCI Express interface that Supports a dedicated PCI Expre...

Страница 29: ...ixed connections to SAS targets or SATA II targets Leverages compatible connectors for SAS connections and SATA II connections Allows grouping of up to four PHYs in a single quad port to form a wide p...

Страница 30: ...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...

Страница 31: ...3 Open the host system by following the instructions in the host system technical documentation Step 4 Remove the SAS cable connectors from the external drives that you want to migrate a Make sure th...

Страница 32: ...s drives and expanders Ports Eight external Data Transfer Rate Up to 3 Gbits s per phy Bus PCI Express 1 0a Cache Function Write back write through adaptive read ahead non read ahead read ahead cache...

Страница 33: ...Technical Support 1 17 1 8 Technical Support See the Warranty and Support Information document for information about the technical support available for this product...

Страница 34: ...1 18 Overview...

Страница 35: ...Section 2 5 After Installing the Controller Section 2 6 Replacing a Failed Controller Containing Data in the iBBU 2 1 Requirements The following items are required for installation A ServeRAID MR10M S...

Страница 36: ...tery Backup Unit iBBU on the controller Step 4 Install the ServeRAID MR10M controller in the server and connect the SAS devices or the SATA II devices to it Make sure that the cables you use conform t...

Страница 37: ...d from any networks Step 3 Review the ServeRAID MR10M Controller Connectors Refer to Chapter 3 ServeRAID MR10M SAS SATA Controller Characteristics for a diagram of the ServeRAID MR10M controller with...

Страница 38: ...Devices or Both in the Host Computer Case Configure the SAS devices SATA II devices or both and install them in the external enclosure Note See the documentation for the external devices for pre inst...

Страница 39: ...ATA II devices before or at the same time as the host computer If the power is turned on to the computer before it is turned on to the devices the computer might not recognize the devices During boot...

Страница 40: ...hat accompanies the driver 2 4 SAS Device Cables This section provides step by step instructions for connecting the ServeRAID MR10M controller to a drive enclosure containing SAS physical disks SATA I...

Страница 41: ...10M controller installation you must configure the ServeRAID MR10M controller and install the operating system driver The ServeRAID MR Software User s Guide instructs you on the configuration options...

Страница 42: ...a lithium ion battery To avoid possible explosion do not burn Exchange only with the IBM approved part Recycle or discard the battery as instructed by local regulations In the United States IBM has a...

Страница 43: ...subsections provide graphics and connector information for the controller The ServeRAID MR10M controller has eight external SAS SATA connectors Figure 3 1 displays the connectors on the controller whi...

Страница 44: ...n connector Reserved for IBM use Note This connector uses 3 3V LVTTL levels and will be damaged if connected to standard transceiver levels J5 BIOS Disable 2 pin connector Reserved for IBM use J6 Boar...

Страница 45: ...radio J20 x4 SAS PORT B Lanes 0 3 x4 SAS Ports The x4 Mini SAS 4i ports connect the cables from the RAID controller to SAS physical disks SATA II physical disks or a SAS expander J21 x4 SAS PORT A La...

Страница 46: ...No 60950 1 UL 60950 1 First Edition listed Accessory UL file number E257743 3 3 1 Controller Specifications Table 3 3 lists the specifications for the ServeRAID MR10M SAS SATA Controller Table 3 3 Se...

Страница 47: ...nfiguration Integrated 128 Mbyte to 512 Mbyte Double Data Rate II 400 MHz to 667 MHz SDRAM intelligent battery backup unit Size of Flash ROM for Firmware 4 Mbytes Nonvolatile Random Access Memory NVRA...

Страница 48: ...disk stress test Stripe Sizes 8 16 32 64 or 128 Kbyte Maximum Number of Concurrent Commands 255 Support for Multiple Initiators Yes Table 3 4 Array Performance Features Cont Specification ServeRAID M...

Страница 49: ...ng and Non operating Conditions The operating thermal and atmospheric conditions for the ServeRAID MR10M SAS SATA Controller are Relative humidity range is 5 to 90 noncondensing Airflow must be at lea...

Страница 50: ...10M SAS SATA Controller Characteristics 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 S...

Страница 51: ...ache is that the cached data can be lost if the AC power fails before it has been written to the storage device This risk factor is eliminated when the controller has an onboard iBBU The iBBU monitors...

Страница 52: ...le explosion do not burn Exchange only with the IBM approved part Recycle or discard the battery as instructed by local regulations In the United States IBM has a process for the collection of this ba...

Страница 53: ...vision of IPC A 610 The battery in the iBBU must charge for at least six hours during fast charge under normal operating conditions To protect your data the firmware changes the Write Policy to write...

Страница 54: ...ID MR10M controller using a small board to board connector daughtercard Figure 5 1 displays the top view and the bottom view of the card The top side is the side you can see after you install the iBBU...

Страница 55: ...e system user s manual so you can access the controller 3 Ground yourself before you touch the controller 4 Unplug all cables from the controller remove the screw attaching the bracket to the computer...

Страница 56: ...7 Install the controller in the computer in the PCI Express slot as shown in Figure 5 3 Press down gently but firmly to make sure that the controller is properly seated in the slot The bottom edge of...

Страница 57: ...h the cables as needed to the connectors on the controller 10 Reinstall the computer cover reattach the power cords and turn on the power to the computer Attention See the ServeRAID MR Software User s...

Страница 58: ...5 6 Installing the Intelligent Battery Backup Unit...

Страница 59: ...on 6 4 Resolving a Configuration Mismatch You can monitor the battery status temperature voltage and so on in these MegaRAID utility programs WebBIOS Configuration Utility MegaCLI Command Line Interfa...

Страница 60: ...the WebBIOS Configuration Utility The WebBIOS CU is a web based utility for configuring and managing RAID volumes Its operation is independent of the operating system because the utility resides in t...

Страница 61: ...Properties Screen f 4 Click Next to view the second Controller Properties screen The second Controller Properties screen appears as shown in Figure 6 2 The Battery Backup field at the top left of the...

Страница 62: ...Screen Most of the Battery Module properties are view only and are self explanatory In the lower right corner of the screen are the Auto Learn options A learning cycle is a battery calibration operat...

Страница 63: ...the time since the last learning cycle and performs a learn cycle when due BBU Auto Learn Disabled Firmware does not monitor or initiate a learning cycle You can schedule learning cycles manually BBU...

Страница 64: ...in Table 6 2 to display complete information about the status of the BBU such as temperature and voltage for the selected controller s Table 6 1 Display BBU Information Convention MegaCli AdpBbuCmd a...

Страница 65: ...o Fully Charged Yes No Discharging Yes No Initialized Yes No Remaining Time Alarm Yes No Remaining Capacity Alarm Yes No Discharge Terminated Yes No Over Temperature Yes No Charging Terminated Yes No...

Страница 66: ...pacity xx mAh Run Time to Empty xxx Min Average Time to Empty xxx Min Average Time to Full xxx Min Cycle Count xx Max Error xx Table 6 3 Display BBU Capacity Information Cont Table 6 4 Display BBU Des...

Страница 67: ...controller s after reading from the file Description Displays current properties of the BBU The information displays in the following formats BBU Properties for Adapter x Auto Learn Period xxx Sec Ne...

Страница 68: ...l tab to open the physical view 2 Select the BBU icon in the left panel The BBU properties appear in the right panel The BBU properties such as the battery type temperature and voltage appear as shown...

Страница 69: ...of its current state of charge and the estimated time until it will be depleted The current BBU temperature voltage current and remaining capacity If the battery is charging the estimated time until...

Страница 70: ...ons screen appears 4 On the BBU operations screen click Enable automatic learn cycles and click Go You can delay the start of the next learn cycle by up to 7 days 168 hours using the Delay next learn...

Страница 71: ...the collection of this battery For information call 1 800 426 4333 Have the IBM part number for the battery unit available when you call C007 6 3 Transferring Cached Data from a Failed Controller If...

Страница 72: ...ller for instructions on how to install a iBBU on your controller and install the controller in a system 7 Install the replacement controller in the computer and connect it to the drives 8 Replace the...

Страница 73: ...ccess the BIOS CU 2 Select Configure View Add Configuration This gives you the option to view both the configuration on the NVRAM and the physical disk 3 Select the configuration on the drive 4 Press...

Страница 74: ...6 16 Using the Intelligent Battery Backup Unit...

Страница 75: ...on Time 7 1 Intelligent Battery Backup Unit Specifications The following specifications apply to the iBBU Battery type LiON Li Poly cell Battery operating ambient temperature 10 45 C Humidity storage...

Страница 76: ...r of factors including the following Capacity of the battery pack and the battery load Ambient temperature Battery age and the number of discharge cycles Number of DIMMs installed and the number of ch...

Страница 77: ...ever it is the user s responsibility to evaluate and verify the operation of any non IBM product program or service IBM may have patents or pending patent applications covering subject matter describe...

Страница 78: ...appropriate without incurring any obligation to you A 1 Trademarks The following terms are trademarks of International Business Machines Corporation in the United States other countries or both Intel...

Страница 79: ...warranties regarding non IBM products and services that are ServerProven including but not limited to the implied warranties of merchantability and fitness for a particular purpose These products are...

Страница 80: ...A 4 Notices...

Страница 81: ...at 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 syste...

Страница 82: ...t 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...

Страница 83: ...rmance 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 l...

Страница 84: ...ore 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 tar...

Страница 85: ...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 p...

Страница 86: ...B 6 Glossary of Terms and Abbreviations...

Страница 87: ......

Страница 88: ...81Y1995...

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