IBM Redbooks ServeRAID-MR10M User Manual Download Page 73

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Resolving a Configuration Mismatch

6-15

1. Press CTRL+M when prompted during boot-up to access 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 ESC, and select YES to update the NVRAM.

5. Press ESC to exit, and then reboot the computer.

Summary of Contents for Redbooks ServeRAID-MR10M

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 12: ...xii Contents...

Page 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...

Page 14: ...xiv Contents...

Page 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...

Page 16: ...xvi Contents...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 34: ...1 18 Overview...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 80: ...A 4 Notices...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 87: ......

Page 88: ...81Y1995...

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