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Chapter 2 - Operating Mode and Topologies

Direct Attach Connection - Single Host (Single HBA)

Logical View - SCSI-SATA Controller

Direct Attach Connection - Single Host (Single HBA)

This topology supports standard single port direct attached configurations. The host

employs a single port SCSI HBA. In this configuration you will have one Ultra320

path to the storage.

Direct Attach Connection - Single Host (Dual HBA)

This topology supports standard single or dual ported direct attached

configurations. The host employs a dual ported SCSI HBA or two single ported

SCSI HBAs. In this configuration you will have two Ultra320 paths to the storage.

Drive 1

Drive 2

Channel 0

Channel 1

Serial ATA

Controller

SCSI

Serial ATA

Bridge

Microprocessor

Serial ATA

Controller

Drive 3

Drive 4

Drive 5

Drive 6

SCSI-SA

RAID Controller

Drive 7

Drive 8

Drive 9

Drive 10

Drive 11

Drive 12

4700S.book Page 18 Wednesday, April 6, 2005 2:14 PM

Содержание NexStor 4700S Series

Страница 1: ...U S E R S G U I D E NexStor 4700S Series R A I D S T O R A G E S Y S T E M 4700S book Page 1 Wednesday April 6 2005 2 14 PM...

Страница 2: ...4700S book Page 2 Wednesday April 6 2005 2 14 PM...

Страница 3: ...U S E R S G U I D E NexStor 4700S Series R A I D S T O R A G E S Y S T E M 4700S book Page 3 Wednesday April 6 2005 2 14 PM...

Страница 4: ...d Carlsbad CA 92009 Copyright 2005 nStor Corporation Inc All Rights Reserved nStor StorView NexStor the NexStor logo the StorView logo and the nStor logo are trademarks or registered trademarks of nSt...

Страница 5: ...Override 11 Battery Backup Unit 13 Embedded SAF TE Support 14 Control and Monitoring 15 Status Indicator LEDs 15 Drive LEDs 16 Audible Alarm 16 2 Operating Mode and Topologies 17 Simplex Mode 17 Dire...

Страница 6: ...5 Direct Attach Connection Single Host Dual HBAs 36 Clustered Connection Dual Hosts 37 Expansion Connection 39 Powering On the Storage System 41 Powering Off the Storage System 41 4 Managing and Monit...

Страница 7: ...g the Backup Battery 74 Replacing the Enclosure 76 A Technical Information 79 Specifications 79 B Port Information 83 Connectors 83 VHD CI SCSI Connectors 83 RS 232 Service Port 86 Communication Cable...

Страница 8: ...Table of Contents iv 4700S book Page iv Wednesday April 6 2005 2 14 PM...

Страница 9: ...e adequate cooling should one fan fail An N 1 power system is available by adding the optional second independent power supply Each power supply is a hot swappable component that continues to operate...

Страница 10: ...are as well as the HTML based StorView Storage Management software a cable and a rackmount rail kit There are currently two models NexStor 4711S 512MB Cache Memory with a Backup Battery NexStor 4712S...

Страница 11: ...4700S Series Storage Systems Ultra320 SCSI to Serial ATA storage system enclosure Hot pluggable Serial ATA disk drives 12 per enclosure Hot pluggable cooling fan module which includes dual in line fa...

Страница 12: ...high sequential RAID 5 write operations Online capacity expansion allowing reconfiguration without interruptions VT 100 interface for configuration and monitoring Graphical HTML based interface via St...

Страница 13: ...section identifies and gives a complete description of each major component The Monitoring section describes the enclosure s LEDs and the manner in which normal and abnormal conditions are presented N...

Страница 14: ...ggable power supply AC PSU is shown Dual in line 80 CFM hot swappable cooling fan module Option for second power supply Blank plate shown SCSI SATA RAID Controller RS 23 2 DTE HOST CH 1 HOST CH 0 HOST...

Страница 15: ...the signals to the front panel through a smart interface Power is applied to the front bezel through the interface edge connector where a control circuit monitors the bezel for proper connection When...

Страница 16: ...h power supplies are installed Each power supply has auto switching circuitry for use with either 100V or 240V AC systems AC Power Supply Power is applied to the enclosure by pressing the power supply...

Страница 17: ...government requirements The DC power system allows the storage system to be installed with Telco system hardware type installations It is designed to support two 350 watt hot pluggable power supplies...

Страница 18: ...a DC feed system Refer to the Installation chapter for cabling procedures DC Source Site Requirements The power feed must be electrically isolated from any AC power source provide a reliable connecti...

Страница 19: ...ng system consists of two high performance 80 CFM cooling fans mounted in a single fan module which slides into a bay at the rear of the enclosure The design of the fan module provides for an easy to...

Страница 20: ...at a condition is causing the enclosure temperature to exceed the preset maximum allowable value and an action is required by the user to determine the cause and take corrective measures It may be due...

Страница 21: ...provided on the fan module printed circuit board to override the software control of the fan speeds This hardware setting routes full power voltage to the fans for maximum operational speed which is...

Страница 22: ...nectors for each independent SCSI bus This connector scheme allows for many different cabling options The core processor of the controller is an Intel XScale RISC processor running at 600 MHz The proc...

Страница 23: ...haining NexStor 4700S storage systems you will be required to override the automatic termination feature on the enclosures that are not at the end of the SCSI bus chain This option is provided via a 4...

Страница 24: ...r When connecting this configuration you will be instructed to set the switch settings to the Up positio on the enclosure s RAID Controller for those enclosures between the host and the last enclosure...

Страница 25: ...r normal operating conditions In addition the battery pack utilized includes a resettable polyfuse that trips when the current exceeds 700mA at room temperature This protects the internal circuitry wh...

Страница 26: ...ure s temperature fan status power supply status and bus status When an error or condition occurs the status change and condition is reported as an event to the event logs and is communicated to the u...

Страница 27: ...Enclosure Monitoring on page 48 for complete details on VT 100 Enclosure Information or the StorView software guide for graphical interface monitoring Front Bezel LEDs and Reset Button Identification...

Страница 28: ...sk drive slot There are 12 Drive Status and 12 Drive Activity LEDs one group for each disk drive Refer to Drive LEDs on page 45 for detailed information Audible Alarm An audible alarm will sound when...

Страница 29: ...gle SCSI SATA RAID Controller providing the storage solution with some level of redundancy Its multiple port topology provides two active independent SCSI ports There are three topologies with this op...

Страница 30: ...age Direct Attach Connection Single Host Dual HBA This topology supports standard single or dual ported direct attached configurations The host employs a dual ported SCSI HBA or two single ported SCSI...

Страница 31: ...o 512 mappings or assignments can be created with a 2 TB per logical drive limitation Online logical drive addition and deletion is supported in any order SAN LUN Mapping allows multiple hosts and ope...

Страница 32: ...dware software failover is performed automatically and is transparent to users although users will experience performance degradation as processing is shifted to another cluster node In some cases thi...

Страница 33: ...performance boost However the cluster performance is application dependent For example READ operations may yield a 1 8x performance increase going from one to two nodes but in a WRITE intensive applic...

Страница 34: ...um Availability Downtime per Failure Downtime per Year in minutes Continuous Processing 100 00 None 0 Fault Tolerant 99 9999 Cycles 0 5 5 Clusters 99 9 99 999 Seconds to minutes 5 500 High Availabilit...

Страница 35: ...oth and trouble free installation The installation is divided into two sections The first section describes installing the enclosure s into the rack cabinet or installing the enclosure chassis into th...

Страница 36: ...e damaged during installation due to the added unbalanced weight of the power supplies 2 Remove the storage system from its shipping carton and inspect for obvious damage a Remove and open the accesso...

Страница 37: ...the rack cabinet vertical supports using the screws and nuts provided Attaching the Rails 6 Lift the enclosure into the rack cabinet and align the rear mounting rails with the slots at the rear of th...

Страница 38: ...he power supplies Slide each power supply into its empty bay and ensure it seats completely and that the release latch resets 9 Continue now with Completing the Installation on page 30 Front Rack Vert...

Страница 39: ...er supply from the enclosure Repeat for the other power supply if installed 3 Remove the cooling fan module Place your finger in the handle and slide the release latch to the right with your thumb whi...

Страница 40: ...into the Tower Stand 28 10 Secure the top and bottom slide rails using the remaining two sets 4 of 10 32 pan head screws Inserting and Securing the Chassis Mounting Screws Mounting Screws Mounting Scr...

Страница 41: ...it into its open bay and ensure it seats completely and the release latch resets 12 Re install the power supplies Slide each power supply into its open bay and ensure it seats completely and the relea...

Страница 42: ...drive bay wall Repeat this step to populate all the required drive slots NOTE The drive carrier has tension clips in the rail to ensure a snug fit so it requires some force to seat the drive Installin...

Страница 43: ...bales NOTE For DC Power Supplies skip to Cabling the DC Power Supplies on page 32 a Ensure that the orientation is such that when the power cord is inserted the bale will be on top of the cord and wil...

Страница 44: ...DC Power Supply Connector Pinout on page 88 for wiring and connector details If you are using the DC Power Supply system refer to the following procedures to properly connect the cables 1 Plug the co...

Страница 45: ...ion was ordered 6 Repeat the above steps for each additional storage system enclosure you will be installing This completes the physical hardware installation refer to Before You Continue on page 34 R...

Страница 46: ...power on or power off your storage system Special Note for Microsoft Windows 2000 2003 Installations At startup you will see the Found New Hardware Wizard appear Although a driver is not required for...

Страница 47: ...re beyond the first enclosure will need to have its SCSI ID changed from the default setting to avoid SCSI ID conflicts To change the IDs of the storage solution enclosures after the hardware setup is...

Страница 48: ...orage System on page 41 This completes the setup and cabling of this configuration Direct Attach Connection Single Host Dual HBAs 1 Complete the storage system installation 2 Connect the SCSI data cab...

Страница 49: ...mpletes the setup and cabling of this configuration Clustered Connection Dual Hosts 1 Complete the storage system installation 2 Connect the SCSI data cable s a Connect one cable from Host 1 HBA SCSI...

Страница 50: ...at Expansion Connection on page 39 otherwise skip to the next step 4 Power on your system refer to Powering On the Storage System on page 41 This completes the setup and cabling of this configuration...

Страница 51: ...t Cabling Diagram RS 232 DTE HOST CH 1 HOST CH 0 HOST CH 1 HOST CH 0 DRT H1A BK1A PWR H0A BK0A RS 232 DTE HOST CH 1 HOST CH 0 HOST CH 1 HOST CH 0 DRT H1A BK1A PWR H0A BK0A RS 232 DTE HOST CH 1 HOST CH...

Страница 52: ...connector on the RAID Controller in the second storage enclosure d Connect a second SCSI data cable from the upper Host CH 1 connector on the RAID Controller in the first enclosure to the lower Host C...

Страница 53: ...will perform a power on self test during their initial start NOTE It is recommended to wait until the storage system has completed its power on self test and the LEDs are indicating it is ready before...

Страница 54: ...Chapter 3 Setup and Installation Powering Off the Storage System 42 4700S book Page 42 Wednesday April 6 2005 2 14 PM...

Страница 55: ...EDs power supply LEDs Drive LEDs and the software to monitor the enclosure components fan status disk drive status controller status and arrays Enclosure Component Monitoring This section provides an...

Страница 56: ...ly Status The Power Supply Status LED indicates the condition of the power supplies The LED will illuminate green when both power supplies are functioning normally and will change to amber if one of t...

Страница 57: ...Refer to LED Matrix on page 47 Drive Status LEDs There are twelve Drive Status LEDs The Drive Status LED is the left LED of each pair of Drive LEDs This LED will illuminate steady green when a drive...

Страница 58: ...e enclosure s component condition changes to an abnormal state To silence the alarm press the Alarm Reset button located on the front bezel The corresponding LED will remain illuminated until the cond...

Страница 59: ...Drive Ready Not Assigned to an Array Blinking Green N A N A Drive Ready Assigned to an Array Steady Green N A N A Drive Failure Blinking Amber All other drive members are Steady Amber Steady Amber Co...

Страница 60: ...e USB end of the SATA Communication RS 232 cable to the RS 232 Service port located on the RAID Controller The cable is included with the storage system RS 232 Service Port Connection 2 Connect the ot...

Страница 61: ...ce in Monitor mode command prompt displayed type rs and press Enter This will restart the controller using the corrected communication settings 7 If the menu system does not automatically appear after...

Страница 62: ...Chapter 4 Managing and Monitoring VT 100 Interface Enclosure Monitoring 50 Enclosure Information Screen 9 Press the Esc key to return to the Main menu 4700S book Page 50 Wednesday April 6 2005 2 14 PM...

Страница 63: ...n the RAID Controller The cable is included with the storage system RS 232 Service Port Connection 3 Connect the other end of the cable to either a host system s RS 232 serial communication port or a...

Страница 64: ...is will restart the controller using the corrected baud rate 8 If the menu system does not automatically appear after the controller has completed its boot cycle at the screen cursor type Control E Th...

Страница 65: ...creen 12 Press Enter to begin the firmware download and re program procedure Download Firmware Screen At the bottom of the screen a series of C characters will be displayed 13 When the C s appear clic...

Страница 66: ...the download You can safely stop the transfer without affecting your existing firmware any time during the transfer until it has been completed The upload does not overwrite the firmware during the u...

Страница 67: ...ted to the power module AC PSU If the enclosure is plugged into a three hole grounded outlet verify that power to the outlet has not been interrupted This can be accomplished by testing the outlet wit...

Страница 68: ...The logical drive will now be displayed Microsoft Windows Only A logical drive was created and formatted The logical drive is removed and a new logical drive created using part or all of the space fr...

Страница 69: ...at Loading Bridge during BFLU Loader Menu Re flash the firmware to ensure you are using the latest version See Upgrading Firmware in the VT 100 or StorView software guides If you cannot update the fi...

Страница 70: ...op offline Faulty connectivity Re check the cable connections If you have daisy chained storage systems connected on the SCSI bus you will need to perform some fault isolation If all the drives on one...

Страница 71: ...rify that the RAID Controller was not stopped through the software interface Power Supply Status LED is illuminated amber Power supply has failed Power supply turned off Replace the suspect faulty pow...

Страница 72: ...in the Serial ATA disk channel Disk drive loop has a fault refer to Common SCSI Bus Problems on page 58 Replace the faulty disk drive Channel Status LED is flashing green Controller s not ready Wait...

Страница 73: ...onflict with any other devices on the host SCSI bus If you have a long SCSI data cable try a different or shorter data cable Only one array is displayed during host SCSI BIOS scan Check to ensure that...

Страница 74: ...Chapter 5 Troubleshooting Host SCSI Channel Problems 62 4700S book Page 62 Wednesday April 6 2005 2 14 PM...

Страница 75: ...components as well as the entire storage system enclosure Removing the Front Bezel 1 Using a Phillips screwdriver unlock the two front bezel fasteners Unlocking the Front Bezel Rotate the fasteners co...

Страница 76: ...Maintenance Removing the Front Bezel 64 2 Grasp and pull the front bezel from the enclosure Refer to the illustration below Removing the Front Bezel Reset Alarm 4700S book Page 64 Wednesday April 6 20...

Страница 77: ...e is removed 1 The cooling fan module is located at the rear of the enclosure Place your fingers in the fan module handle and slide the latch with your thumb while pulling the module from the enclosur...

Страница 78: ...with the opening fan bay and push the module into the enclosure until it completely seats The latch will reset when the module is completely seated The front bezel Fan Status LED will return to a norm...

Страница 79: ...system operational while you replace the failed power supply 2 Disconnect the AC power cord Release the power cord bale and pull the cord from the AC power cord module on the power supply Releasing th...

Страница 80: ...open bay and ensuring it seats completely and the release latch resets 6 Re connect the power cord Insert the power cord into the AC power cord module and secure it with the power cord bale 7 Turn the...

Страница 81: ...stem operational while you replace the failed power supply 2 Disconnect the DC power cable Squeeze the connector latches and pull the power cable from the DC power cable module on the power supply Rel...

Страница 82: ...ensuring it seats completely and the release latch resets 6 Re connect the DC power cable Insert the power cable connector into the DC power cable module It secures when the connector s latches reset...

Страница 83: ...Be careful of the P factor effect when removing a disk drive which is the twisting of the drive in your hand as a result of the spinning disk Allow the drive to completely spin down before removing i...

Страница 84: ...nt disk drive a Align the drive carrier with the rail grooves in the drive bay b Ensure that the drive seats completely The drive carrier tension clips ensure that the disk drive fits snug so it requi...

Страница 85: ...Save the packaging materials 4 Install the new replacement controller into the enclosure Orient the controller correctly and slide it into the open bay Ensure that the termination DIP switch settings...

Страница 86: ...er to the StorView Storage Management or VT 100 Software Guides for details on shutting down the RAID Controller 3 Power down the enclosure Refer to Powering Off the Storage System on page 41 4 Remove...

Страница 87: ...tery Access Plate Using the two 4 Phillips screws previously removed secure the battery Refer to the illustration on the previous page 10 Connect the BBU power cable to the controller circuit board at...

Страница 88: ...NOTE Mark or make a notation of the location of the data cables and disk drives prior to disconnecting or removing these items To facilitate correct installation you may want to tag the cables or driv...

Страница 89: ...ller 14 Reconnect the data cables and power cords cables Refer to the notations made prior to removing the cables for their proper connection location 15 Re install the disk drives Refer to the notes...

Страница 90: ...Chapter 6 Maintenance Replacing the Enclosure 78 4700S book Page 78 Wednesday April 6 2005 2 14 PM...

Страница 91: ...e 48 to 72 VDC Power Requirements 36 to 72 VDC Current per input 48 to 72 VDC Dimensions Rack Mount Unit HxWxD Dimensions Tower Unit HxWxD 3 47 x 17 65 x 20 25 20 00 x 8 00 x 21 50 Weights Rack Mount...

Страница 92: ...rocessor 32 MB 72 bit ECC protected DDR memory PC200 bus speed internal PCI X 64 bit 100 MHz secondary bus Cache Memory ECC protected 512 MB or 1 GB DDR SDRAM Host Device Data Rate 320 MB sec per chan...

Страница 93: ...ains the 512MB data cache SDRAM for over 20 hours with coprocessor installed 1 GB data cache SDRAM for over 10 hours Temperature Normal Non Operating 5o C to 50o C 20o C to 70o C Humidity Operating or...

Страница 94: ...Appendix A Technical Information Specifications 82 4700S book Page 82 Wednesday April 6 2005 2 14 PM...

Страница 95: ...out VHD CI SCSI Connectors On the RAID Controller there are four VHD CI SCSI port connectors These connectors provide the input output interface from the storage enclosure bus to the host system VHD...

Страница 96: ...VED 19 GROUND 20 GROUND 20 ATN 21 ATN 21 GROUND 22 GROUND 22 BSY 23 BSY 23 ACK 24 ACK 24 RST 25 RST 25 MSG 26 MSG 26 SEL 27 SEL 27 C D 28 C D 28 REQ 29 REQ 29 I O 30 I O 30 DB 8 31 DB 8 31 DB 9 32 DB...

Страница 97: ...52 TERMPWR 52 RESERVED 53 RESERVED 53 GROUND 54 GROUND 54 ATN 55 ATN 55 GROUND 56 GROUND 56 BSY 57 BSY 57 ACK 58 ACK 58 RST 59 RST 59 MSG 60 MSG 60 SEL 61 SEL 61 C D 62 C D 62 REQ 63 REQ 63 I O 64 I O...

Страница 98: ...onitoring of enclosure components via SES processes performing firmware updates maintenance and drive slot assignment Below are the pin signals for this connector The data communication cable is provi...

Страница 99: ...mmunication data cable is a custom designed cable used to connect a terminal or host system COM port with the USB type connector on the RAID Controller Service Port Below is the pin out of the cable S...

Страница 100: ...er feed system NOTE Use only the DC power cables provided with the system Before connecting the cable to the source be sure the wiring has the correct pin out as indicated below The connectors are Mol...

Страница 101: ...ration in conformity with the Title 47 of the US Code of Federal Regulations Part 15 covering Class A personal computers and peripherals Operation is subject to the following two conditions 1 This dev...

Страница 102: ...d to correct the interference at his own expense nStor Corporation is not responsible for any interference caused by unauthorized modifications to this equipment It is the user s responsibility to cor...

Страница 103: ...se Statement CE Notice Marking by the CE symbol indicates compliance of the device to directives of the European Community A Declaration of Conformity in accordance with the above standards has been m...

Страница 104: ...rounding type attachment plug rated 15A 250V configuration 6 15P at the other end For 230 Volt Operation Europe Use a cord set marked HAR consisting of a H05VV F cord that has a minimum 0 75 square mm...

Страница 105: ...Drive Activity LEDs 45 Drive Status LEDs 45 Fan Status LED 45 Front Bezel 3 Power Supply Status LED 44 Power On LED 44 RAID Controllers 10 Connectors 83 Controller Features 80 Cooling Fan Module 7 D D...

Страница 106: ...5 P Pin Signals Communication cable 87 RS 232 Service Port 86 VHD CI 83 Pin outs VHD CI Connector 83 Power Cord Bales 32 Power Requirements AC 79 DC 79 RAID Controller 81 Power Supply AC 4 DC 5 Power...

Страница 107: ...Terminal screen problems 60 Termination Override 11 Termination Switch Settings 12 Topologies 17 Tower Stand 27 Troubleshooting Bootup 57 General Enclosure 55 Host SCSI Channel 61 Interpreting LEDs 5...

Страница 108: ...Index 96 4700S book Page 96 Wednesday April 6 2005 2 14 PM...

Страница 109: ...4700S book Page 97 Wednesday April 6 2005 2 14 PM...

Страница 110: ...Corporate Office www nstor com 91 9 94666001 B April 2005 nStor Corporation Inc 6190 Corte Del Cedro Road Carlsbad CA 92009 760 683 2500 4700S book Page 98 Wednesday April 6 2005 2 14 PM...

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