IBM Redbooks ServeRAID-MR10i User Manual Download Page 52 | Manualshive

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4-2

Introduction to the Intelligent Backup Battery Unit

•

CAUTION:

The battery is a nickel metal hydride 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 process for 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)

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Summary of Contents for Redbooks ServeRAID-MR10i

Page 1: ...ServeRAID MR10i USER S GUIDE F e b r u a r y 2 0 0 9 IBM P N 46M1377...

Page 2: ...ebruary 2009 Copyright International Business Machines Corporation 2007 2009 All rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Cont...

Page 3: ...operating system drivers refer to the ServeRAID MR Device Driver Installation User s Guide Audience This document assumes that you have some familiarity with RAID controllers and related support devic...

Page 4: ...or the iBBU model and how to replace it Chapter 7 Intelligent Battery Backup Unit Specifications has complete technical information and specifications for the iBBU model Appendix A Notices contains in...

Page 5: ...document The following notices and statements are used in this document Note These notices provide important tips guidance or advice Important These notices provide information or advice that might he...

Page 6: ...n personal safety Note Use the ServeRAID MR10i SAS SATA Controller with UL listed Information Technology Equipment ITE products only IBM Document Number Edition Date Remarks 46M1377 Third Edition Febr...

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: ...ching 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 t...

Page 9: ...2 Operating System Support 1 8 1 6 Summary of the ServeRAID MR10i SAS SATA Controller Characteristics 1 9 1 6 1 SAS Features 1 10 1 6 2 SAS Array Limitations 1 10 1 6 3 SATA II Features 1 11 1 6 4 PC...

Page 10: ...olerance 3 6 3 3 4 Electrical Characteristics 3 6 3 3 5 Operating and Non operating Conditions 3 7 3 3 6 Safety Characteristics 3 8 Chapter 4 Introduction to the Intelligent Backup Battery Unit Chapte...

Page 11: ...6 11 Starting a Learn Cycle Manually 6 12 6 2 Replacing the Battery Backup Unit 6 12 6 3 Transferring Cached Data from a Failed Controller 6 13 6 4 Resolving a Configuration Mismatch 6 14 Chapter 7 I...

Page 12: ...xii Contents...

Page 13: ...ctors 2 7 2 4 SAS Plugs SATA II Plugs and SAS Backplane Receptacle Connector 2 8 2 5 Connecting the ServeRAID MR10i SAS SATA Controller with Internal Connectors to a Physical Disk 2 9 3 1 Card Layout...

Page 14: ...xiv Contents...

Page 15: ...roller Specifications 3 4 3 4 Array Performance Features 3 5 3 5 Fault Tolerance Features 3 6 3 6 Maximum Power Requirements 3 7 6 1 Display BBU Information 6 5 6 2 Display BBU Status Information 6 5...

Page 16: ...xvi Contents...

Page 17: ...ServeRAID MR10i SAS SATA Controller is a high performance intelligent Serial Attached SCSI SAS Serial ATA II SATA II PCI Express adapter with RAID control capabilities The ServeRAID MR10i controller...

Page 18: ...en during the most catastrophic system failures Note You must charge the battery before use For more information about charging the battery see Chapter 5 Installing the Intelligent Battery Backup Unit...

Page 19: ...o meet the SAS specification You cannot use SAS drives and SATA drives in the same virtual disk You cannot mix SAS or SATA Solid State Drives SSDs and legacy mechanical drives SAS or SATA in the same...

Page 20: ...gure the system to satisfy your system requirements The LSISAS1078 ROC device increases system performance and provides fault tolerant data storage The LSISAS1078 ROC supports data striping across mul...

Page 21: ...tible controller that connects up to eight disks either directly or through a port expander This configuration is mostly for low end or entry servers Enclosure management is provided through out of ba...

Page 22: ...Flash 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 NVSRAM I2 C Inter...

Page 23: ...dvantages of SATA II SCSI and Fibre Channel and 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 improv...

Page 24: ...he central processing unit CPU You can install the ServeRAID MR10i PCI Express RAID controller in PCI Express computer systems with a standard bracket type With these adapters in your system you can c...

Page 25: ...controller includes the following features PCI Express x8 lane width PCI Express performance up to 2 5 Gbits s per lane Support for 128 256 or 512 Mbyte DDR2 667 MHz on board SDRAM intelligent batter...

Page 26: ...PHYs within a single quad port Supports narrow ports consisting of a single PHY Transfers data using SCSI information units 1 6 2 SAS Array Limitations This section describes the array limitations of...

Page 27: ...roller supports up to 240 physical disks but the maximum number of arrays is limited to 128 Though you can have up to 16 virtual disks per array and up to 64 arrays per ServeRAID MR10i controller ther...

Page 28: ...1 0a Provides unequaled performance through the Fusion MPT architecture Provides high throughput and low CPU utilization to offload the host processor 1 6 5 Usability Features The following list desc...

Page 29: ...r detects the RAID configuration from the configuration data on the drives Note In a clustering environment drive roaming is supported within the same channel only Configuration data is saved in both...

Page 30: ...ted individual virtual disks cannot be migrated Note Drive roaming and drive migration cannot be supported at the same time Follow these steps to migrate drives Step 1 Make sure that you clear the con...

Page 31: ...RAID controller is installed correctly c Close the cabinet of the host system Step 9 Reconnect the power cords to the system Step 10 Turn on the power to the system The controller detects the RAID co...

Page 32: ...Arrays per Controller Up to 40 virtual disks per controller or per logical array Online Capacity Expansion Yes Dedicated and Global Hot Spares Yes Hot Swap Devices Supported Yes Non Disk Devices Supp...

Page 33: ...ables Section 2 5 Replacing a Failed Controller Containing Data in the IBBU Section 2 6 After Installing the ServeRAID MR10i Controller 2 1 Requirements The following items are required for installati...

Page 34: ...n the controller Step 4 Install the ServeRAID MR10i controller in the computer and connect the SAS devices or SATA II devices to it Make sure that the cables you use conform to all specifications Step...

Page 35: ...and from any networks Step 3 Review the ServeRAID MR10i Controller Connectors Refer to Chapter 3 ServeRAID MR10i SAS SATA Controller Characteristics for a diagram of the ServeRAID MR10i controller wit...

Page 36: ...SATA II Devices or Both to the Controller Use SAS cables to connect SAS devices SATA II devices or both to the ServeRAID MR10i controller Refer to Section 2 4 SAS Device Cables for SAS cable informat...

Page 37: ...portion of the BIOS message displays the ServeRAID MR10i controller number firmware version and cache SDRAM size The numbering of the controller follows the PCI slot scanning order used by the host ma...

Page 38: ...ls use a thin 7 wire connector instead of the 68 wire SCSI cable or 26 wire ATA cable Note Use only straight SAS cables not cross over SAS cables Figure 2 2 displays the SAS cable that connects the in...

Page 39: ...A II drives respectively Both SAS physical disks and SATA II physical disks can connect to SAS backplane receptable connectors The difference between the SAS connector and SATA II connector is the bri...

Page 40: ...the internal cable Serial ATA SAS Primary Physical Link SAS Secondary Physical Link Power SATA II Physical Link Power Serial Attached SCSI SAS Backplane Receptacle Connector Note SATA II backplane co...

Page 41: ...rveRAID MR10i intelligent Battery Backup Unit is a cache memory module with an integrated battery pack The module provides an uninterrupted power source to the module if power is unexpectedly interrup...

Page 42: ...xpander J9 Ports 4 7 x8 SAS Ports The x8 Mini SAS 4i ports connect the cables from the RAID controller to SAS or SATA II physical drives or to a SAS expander J10 IPMI style SMBus System Manage ment I2...

Page 43: ...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...

Page 44: ...eceiver Transmitter debugging 4 pin connector Reserved for IBM use J3 Individual Activity LED header for eight SAS ports 16 pin connector Provides an LED interface individually to eight SAS ports The...

Page 45: ...isks is pending Optional J8 Ports 0 3 x8 SAS Ports The x8 Mini SAS 4i ports connect the cables from the RAID controller to SAS or SATA II physical drives or to a SAS expander J9 Ports 4 7 x8 SAS Ports...

Page 46: ...requirements of CISPR Class B The ServeRAID MR10i controller and the intelligent Battery Backup Unit iBBU are CSA C22 2 No 60950 1 UL 60950 1 First Edition listed Accessory UL file number E257743 3 3...

Page 47: ...ller SAS Bus Speed 3 Gbits s SAS Ports Two SAS connectors with four SAS ports each Cache Configuration Integrated 128 Mbyte 256 Mbyte Double Data Rate II 667 MHz SDRAM intelligent battery backup unit...

Page 48: ...e at the DOS prompt Stripe Sizes 8 16 32 64 or 128 Kbytes Maximum Number of Concurrent Commands 255 Support for Multiple Initiators Yes Table 3 4 Array Performance Features Cont Specification ServeRAI...

Page 49: ...k 230mA in 12V current 3 3 5 Operating and Non operating Conditions For the ServeRAID MR10i controller the operating thermal and atmospheric conditions are Relative humidity range is 5 to 90 nonconden...

Page 50: ...rveRAID MR10i 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...

Page 51: ...g write back cache 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 ServeRAID MR10i controller has an...

Page 52: ...ssible 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 thi...

Page 53: ...der normal operating conditions To protect your data the firmware changes the Write Policy to write through until the battery unit is sufficiently charged When the battery unit is charged the RAID con...

Page 54: ...he card the 2 56 screws and the 7 32 standoffs The top side is the side you can see after you install the iBBU on the RAID controller Note that this unit combines a battery pack with a daughtercard Fi...

Page 55: ...ntroller 3 Ground yourself before you touch the controller 4 Unplug all cables from the controller remove the screw attaching the bracket to the computer case and carefully remove the controller from...

Page 56: ...n in Figure 5 3 Press down gently but firmly to seat the card correctly in the slot The bottom edge of the storage adapter must be flush with the slot Secure the controller to the computer chassis wit...

Page 57: ...Attach the controller to the computer chassis with the bracket screw 9 Attach the cables as needed to the connectors on the controller 10 Reinstall the computer cover and reattach the power cords 11 T...

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

Page 59: ...iled Controller Section 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...

Page 60: ...tility 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 the MegaRAID BIOS Follow thes...

Page 61: ...igure 6 2 The Battery Backup field at the top left of the screen indicates whether the iBBU is present Figure 6 2 Second Controller Properties Screen 5 Click the word Present in the Battery Backup fie...

Page 62: ...e the learn delay interval and the auto learn mode Note IBM recommends leaving the the learn delay interval and the auto learn mode at their default settings Setting the Learn Delay Interval The learn...

Page 63: ...aCLI commands in this section to monitor the iBBU and to select the settings for BBU related options 6 1 2 1 Display BBU Information Use the command in Table 6 1 to display complete information about...

Page 64: ...arged 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 Over Charg...

Page 65: ...Charge Capacity 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 Displ...

Page 66: ...r 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 Next Learn T...

Page 67: ...hysical tab to open the physical view 2 Select the BBU icon in the left panel 3 Click the Properties tab The BBU properties such as the battery type temperature and voltage appear as shown in Figure 6...

Page 68: ...rrent 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 it is full...

Page 69: ...168 hours 7 days If you disable automatic learn cycles you can start the learn cycles manually and you can choose to receive a reminder to start a manual learn cycle 6 1 3 2 Setting Learn Cycle Prope...

Page 70: ...e Manually To start the learn cycle properties manually perform the following steps 1 Click the Physical tab to open the physical view 2 Select the BBU icon in the left panel 3 Click the Operations ta...

Page 71: ...stall it on a new controller To save the data the following conditions must be met The new controller on which you install the iBBU must be the same model as the failed controller The replacement cont...

Page 72: ...6 4 Resolving a Configuration Mismatch If the replacement controller has a previous configuration this message displays during the power on self test POST Unresolved configuration mismatch between dis...

Page 73: ...cations Section 7 1 iBBU Specifications Section 7 2 Battery Life and Data Retention Time 7 1 iBBU Specifications The following specifications apply to the iBBU Battery type NiMH Battery operating ambi...

Page 74: ...g Capacity of the battery pack and the battery load Ambient temperature Age of the battery and number of discharge cycles it has been through Number of DIMMs installed and number of chips on the DIMMs...

Page 75: ...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 76: ...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 77: ...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 78: ...A 4 Notices...

Page 79: ...es 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...

Page 80: ...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 81: ...formance 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...

Page 82: ...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 83: ...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 84: ...B 6 Glossary of Terms and Abbreviations...

Page 85: ......

Page 86: ...4 6 M1 3 7 7...

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