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43 

7. 

Properties of Virtual Drives are displayed. Confirm following two points. First 

“Current Write” is displayed as “Write Back with BBU”. Next, “Default Write” is 
displayed as “Write Back with BBU”.   

 

 

 

 

 

Notice

 

If the battery connected immediately before, Cache Mode becomes Write Through 
because of the refresh. You must wait for 9 hours or more to charge the battery. 
Then confirm the Cache Mode. 

 

 

 

 

Tips

 

For detail explanation of the write policy, refer to the manual of the RAID Controller 
and that of the server. 

 

 

Содержание N8103-126

Страница 1: ...this manual carefully N8103 126 RAID Battery Backup Unit User s Guide Make sure you read this manual before using the product After reading this manual carefully store it in a safe place 855 900758 0...

Страница 2: ...l may be revised without prior notice 3 The contents of this manual shall not be copied or altered without the prior written permission of NEC Corporation 4 All efforts have been made to ensure the ac...

Страница 3: ...de thoroughly before handling it In addition refer to this manual when you want to know how to use it or some malfunction occurs Always keep the manual at hand so that you can see it as soon as possib...

Страница 4: ...product Refer to Names and Functions of Sections for the name used in the User s Guide SAFETY INDICATIONS In the User s Guide WARNING or CAUTION is used to indicate a degree of danger These terms are...

Страница 5: ...illustrates the hazard type Example Precaution against electric shock Prohibited Action This symbol indicates prohibited actions An image in the symbol illustrates a particular prohibited action Examp...

Страница 6: ...s or fire Prohibited Actions Indicates a general prohibited action that cannot be specifically identified Do not disassemble repair or modify the server Otherwise an electric shock or fire may be caus...

Страница 7: ...ruments aerospace instruments transportation facilities or instruments NEC does not assume any liability for accidents resulting in injury or death or for any damages to property that may occur as a r...

Страница 8: ...ter the server Failure to follow this warning may cause an electric shock a fire or a failure of the server When such things accidentally enter the server immediately turn off the power and disconnect...

Страница 9: ...use any damaged cable Make sure the cable condition before connection Using the damaged connector bent connector pin or dirty connector may cause a fire due to short circuit Do not hold the power plu...

Страница 10: ...ause an electric shock or a fire resulted from a short circuit Do not use any unauthorized interface cable NEC Use only interface cables authorized by NEC and locate a proper device and connector befo...

Страница 11: ...components accelerating corrosion ex sulfur sodium chloride or conductive metals There is a risk of a fire due to corrosion and shorts of an internal printed board Consult with your service represent...

Страница 12: ...fore accessing inside the server OFF AC OFF Make sure to power off the server and disconnect the power plug from a AC outlet before accessing inside the server Touching any internal device of the serv...

Страница 13: ...Keep animals away from the server Keep animals away from the server containing the product Pet s discharges or fur may enter the server and cause a fire or electric shock Warning Labels The warning la...

Страница 14: ...onnected to any other disk array controllers The BBU is an extremely sensitive electronic device First make your body contact with metallic frame of the server to discharge static electricity from you...

Страница 15: ...ral purpose I O devices including the keyboard and mouse Text Conventions The following conventions are used throughout this manual For safety symbols see SAFETY INDICATIONS provided earlier Notice It...

Страница 16: ...1 Overview to make sure that you have everything and that individual components are not damaged If you find any component missing or damaged contact your sales agent Transportation 1 To transport the...

Страница 17: ...empty Recycle Bin of Windows or execute the format command of the operating system However the actual data remains written on the hard disk Data not erased completely may be restored by special softw...

Страница 18: ...ing conditions Replace the battery with a new one after about two years from the installation of the BBU the installation time can be known by the battery label put on the server and the BBU Contact y...

Страница 19: ...following the regulation of the local government For details contact the local government or your service representative Take sufficient note on the handling of the battery pack following Chapter 3 O...

Страница 20: ...tes on Use for correct operation of BBU xii This Manual xiii In the Package xiv Transportation xiv Transfer to Third Party xv Life of BBU xvi Maintenance Parts xvi Recycle and Disposal xvii Contents x...

Страница 21: ...re 34 1 1 Putting Setup Date Label 34 1 2 Connect the Battery Backup Unit 35 2 Checking by Utility 36 2 1 Windows 36 2 2 Linux 38 2 3 WebBIOS 40 Chapter 3 Operation and Maintenance 44 1 Maintenance Se...

Страница 22: ......

Страница 23: ...1 1 N8103 126 1 N8103 115 RAID RAID RAID Write Back RAID SDRAM 72 Write Back 2 72 9 80 48 X13 mm 0 10 kg 3 7 V 1 85 W 10 C 35 C 20 80 0 C 35 C 20 80 2...

Страница 24: ...2 3 1 2 2 2 1...

Страница 25: ...A 3 1 Express5800 R120a 1 Express5800 R120a 2 Express5800 R110b 1 Express5800 E110b 1 Express5800 iR120a 1E 7 B 3 1 Express5800 T120a E Express5800 T120a M Express5800 GT120a 8 1 9 1 10 1 11 N8103 12...

Страница 26: ...4 Y M Set up Date A 3 6 32x5 8 3 B 3 2 5x4x15 1...

Страница 27: ...5 5 2 3 1 1 2 3 N8103 126...

Страница 28: ...6 Y M Set up Date 6 4 5 N8103 126 XXXXXXX RAID Battery Backup Unit 7 4 RAID 5 RAID 6 7 N...

Страница 29: ...7 8 8 9 10 8 N8103 126 45cm 75cm 95cm 9 1 10 2 RAID...

Страница 30: ...1 6 2 RAID Universal RAID Utility 4 4 4 Universal RAID Utility RAID OS Windows Linux syslog Raidsrv ID 508 800001FC RU0508 CTRL x ID x 4 1 2 Raidsrv ID 417 400001A1 RU0417 CTRL x ID x LD x ID x Write...

Страница 31: ...sing or bad Please allow the battery to charge for 24 hours before evaluating the battery for replacement The following VDs are affected XX Press any key to continue The battery hardware is missing or...

Страница 32: ...10 2 1 RAID RAID 1 1 2 2 72 3 Set up Date Y M Y 2012 M 4...

Страница 33: ...11 1 2 1 4 1...

Страница 34: ...12 2 Windows Linux WebBIOS 2 1 Windows RAID Universal RAID Utility 1 Universal RAID Utility RAID xx xx 2...

Страница 35: ...13 2 LD x x xxxxx Write Back Write Through Write Back Universal RAID Utility 24 Universal RAID Utility 9 RAID...

Страница 36: ...atus Normal RAID Controller 1 ID 0 Vendor LSI Corporation Model MegaRAID SAS 8708EM2 xxxMB Firmware Version 1 xx xx xxxx Cache Size xxxMB Battery Status Normal Rebuild Priority Low Consistency Check P...

Страница 37: ...ode Setting Auto Switch Cache Mode Current Write Back RAID Controller 1 Logical Drive 1 ID 0 Physical Drive Number 1 2 3 Disk Array Information 1 order 1 1 RAID Level RAID 5 Capacity 67GB Stripe Size...

Страница 38: ...16 2 3 WebBIOS 1 POST Ctrl H WebBIOS 2 Controller Properties 3 Next...

Страница 39: ...17 4 RAID Battery Back Up Present Battery Back Up 2 Present none Battery Back Up none 24...

Страница 40: ...18 5 WebBIOS Virtual Drives 6 Properties Go...

Страница 41: ...19 7 Current Write Write Back with BBU Default Write Write Back with BBU 9 RAID...

Страница 42: ...20 3 1 NEC NEC 2 2 1 RAID Universal RAID Utility WebBIOS 2 2 2 2 3...

Страница 43: ...21 3 2 2 Universal RAID Utility 24 Universal RAID Utility 9 NEC Set up Date Y M Y 2012 M 4...

Страница 44: ...22 4 Learn Cycle 1 RAID 3 4...

Страница 45: ...k 3 Windows http support express nec co jp dload 411298 A01 index html Linux VMware ESX 3 5 http support express nec co jp dload 411298 A02 index html VMware ESX 4 x http support express nec co jp dlo...

Страница 46: ...24 5...

Страница 47: ...eous power interruption in the WriteBack mode Backup of data in SDRAMs on RAID controller for up to 72 hours Improvement of reliability in WriteBack mode Use of rechargeable lithium ion battery 2 Spec...

Страница 48: ...ation Install BBU Check connections and set write cache mode End Chapter 1 Describes how to check the BBU and accessories in the package and the notes on installation Chapter 2 2 Check from Utility De...

Страница 49: ...Setup Date Label 1 6 Screw for Connector board 1 Use to Connector board 7 Battery Screw A 3 Use to the following server 1 Express5800 R120a 1 Express5800 R120a 2 Express5800 R110b 1 Express5800 E110b...

Страница 50: ...tup Date Label User s G uide This Man ual Y M Set up Date Connect B oard Battery Control Cable 3p Battery Screw B 3p 2 5x4x15 flat head Serial Number Label Battery Screw A 3p 2 5x4x15 roun d head Scre...

Страница 51: ...Litium battery cell 2 Recycle Caution Label The label is put on the battery case It indicates the recycle symbol battery type and warning message and is filled with the management revision of the bat...

Страница 52: ...ay supply the electric power from the battery pack to the RAID Controller 6 Battery Connector Connect to the RAID controller 7 Setup Date label accessory The label comes with the BBU Fill the year and...

Страница 53: ...board Rear view 8 8 9 10 8 Battery Cable To fix the Battery Backup Unit and Connector board Fix connector 1 and connector 2 N8103 126 has 45cm 75cm and 95cm cable 9 Connector 1 Connect to the Battery...

Страница 54: ...in 3 months For details refer to Chapter 4 Refresh It is sometimes necessary to execute manual refresh For details refer to Chapter 4 Refresh The following message is registered in RAID log in Univers...

Страница 55: ...g the battery for replacement The following VDs are affected XX Press any key to continue When the battery is missing The battery hardware is missing or malfunctioning or the battery is unplugged or t...

Страница 56: ...e BBU is installed in the RAID controller on the battery label coming with the cover We suggest to fill in the setup date label and to put it on the battery case Notice The life of the battery is abou...

Страница 57: ...ld the part shown in figure with too much power Parts might be damaged Notice Select the screws carefully to install to the server Using wrong screw might be causes the following problem 1 Cannot inst...

Страница 58: ...al is to be seen on the Tree View The display of Normal shows the Battery status There is no problem if it is displayed as Normal Check Indicates the status of the battery installed in the RAID Contro...

Страница 59: ...eral tab indicates the property of the Logical Drive Confirm the value of Cache Mode Setting is Write Back Notice Universal RAID Utility may not able to recognize the battery pack if it is charged onl...

Страница 60: ...RAID Controller 1 ID 0 Vendor LSI Corporation Model MegaRAID SAS 8708EM2 xxxMB Firmware Version 1 xx xx xxxx Cache Size xxxMB Battery Status Normal Rebuild Priority Low Consistency Check Priority Low...

Страница 61: ...tch mode changes the Cache Mode to Write Back or Write Through automatically It judges the two states from the Battery status whether Battery status is normal or not 4 The property of the RAID Control...

Страница 62: ...40 2 3 WebBIOS 1 To launch WebBIOS press Ctrl H at POST 2 Select the Controller Properties at the top menu 3 Select Next at the following view...

Страница 63: ...the battery can be used normally None Indicates that the battery cannot be used normally due to some reason There are following reasons that the Battery Back Up becomes None The cables of battery are...

Страница 64: ...42 5 Go back to Top menu of WebBIOS and select the Virtual Drives 6 Check the Properties and select Go at the menu...

Страница 65: ...Write is displayed as Write Back with BBU Notice If the battery connected immediately before Cache Mode becomes Write Through because of the refresh You must wait for 9 hours or more to charge the bat...

Страница 66: ...entatives 2 Preventive Maintenance 2 1 Preventive Maintenance of BBU Check the states of the BBU including voltage and temperature regularly as preventive maintenance For the purpose you can use WebBI...

Страница 67: ...after OS started For detail refer to 2 2 Checking by Utility Notice Universal RAID Utility may not able to recognize the battery pack if it is charged only at the minimum level or uncharged If this oc...

Страница 68: ...AID controller charges the battery fully and then discharges Finally it charges the battery again and refresh completes For the periodic refresh refer to 3 Periodic refresh in this chapter For the man...

Страница 69: ...he refresh of the battery When Cache Mode Current does not switch to Write Back even if it passes over 9 hours from the refresh beginning there is possibility of the battery failure The manual refresh...

Страница 70: ...it User s Guide 2012 9 Sep 2012 Ver 2 7 1 TEL 03 3454 1111 NEC Corporation 5 7 1 Shiba Minato ku Tokyo Japan TEL 03 3454 1111 main NEC Corporation 2012 Reprinting or changing of this document without...

Страница 71: ...49 N8103 126 N8103 126 RAID Battery Backup Unit User s Guide 855 900758 001 B This manual is printed on recycled paper...

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