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Dell PowerVault 720N Installation And Troubleshooting Manual
Dell PowerVault 720N Installation And Troubleshooting Manual

Dell PowerVault 720N Installation And Troubleshooting Manual

Dell powervault 720n: install guide
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Summary of Contents for Dell PowerVault 720N

  • Page 1 ™            ...
  • Page 2 Computer Corporation; the Network Appliance logo is a registered trademark and Network Appliance and Data ONTAP are trademarks of Network Appliance, Inc. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietery interest in trademarks and trade names other than its own.
  • Page 3    Use the following safety guidelines to ensure your own personal safety and to help protect your computer or storage system from potential damage. Throughout this guide, blocks of text may be accompanied by an icon and printed in bold type or in italic type. These blocks of text are notes, cautions, and warnings, and they are used as follows: NOTE: A NOTE contains important information that helps you install or operate the system efficiently.
  • Page 4 Observe the following general precautions for using and working with your system: Observe and follow service markings. Do not service any Dell product except as explained in your Dell system documentation. Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to electrical shock.
  • Page 5 Use the correct external power source. Operate the product only from the type of power source indicated on the electrical ratings label. If you are not sure of the type of power source required, consult your Dell service provider or local power company.
  • Page 6 When connecting or disconnecting power to hot-pluggable power supplies, if offered with your Dell product, observe the following guidelines: — Install the power supply before connecting the power cable to the power — Unplug the power cable before removing the power supply.
  • Page 7 System rack kits are intended to be installed in a Dell rack by trained service tech- nicians. If you install the kit in any other rack, be sure that the rack meets the specifications of a Dell rack.
  • Page 8 Disconnect the modem cable before opening a product enclosure, touching or installing internal components, or touching an uninsulated modem cable or jack. Do not use a telephone line to report a gas leak while you are in the vicinity of the leak.
  • Page 9 Position your system so that the monitor and keyboard are directly in front of you as you work. Special shelves are available (from Dell and other sources) to help you correctly position your keyboard.
  • Page 10 Set the monitor at a comfortable viewing distance (usually 510 to 610 millimeters [20 to 24 inches] from your eyes). Make sure that the monitor screen is at eye level or slightly lower when you sit in front of the monitor. Adjust the tilt of the monitor, its contrast and brightness settings, and the lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen.
  • Page 11: Technical Assistance

       This guide describes how to install a PowerVault 720N, 740N, or a 760N filer in a rack, connect it to a PowerVault 700N Disk-Array Enclosure (DAE) storage system and to an optional tape backup device, and start up the system. The chapters in this guide are summarized as follows: Chapter 1, “Introducing the Dell PowerVault 720N, 740N, and 760N...
  • Page 12 The Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide for setting up and administering the filer. The Dell PowerVault 720N, 740N, and 760N Quick Reference card for a quick ref- erence to commands used to administer and use the filer.
  • Page 13: Chapter Contents

    Table 1 lists the kinds of formatting this guide uses to identify special information. Italic type Monospaced font Bold monospace Words or characters you type. What you type is always font shown in lowercase letters, unless you must type it in uppercase letters for it to work properly.
  • Page 15: Table Of Contents

       About the 720N, 740N, and 760N Filers ....... . . 1-1 What Is a Filer?.
  • Page 16 Check the Shipment Package ........2-3 Installing the Filer in a Rack.
  • Page 17 Dell Contact Numbers ........
  • Page 18 Figure 1-1. Figure 1-2. Figure 1-3. Figure 1-4. Figure 1-5. Figure 1-6. Figure 2-1. Figure 2-2. Figure 2-3. Figure 2-4. Figure 2-5. Figure 2-6. Figure 2-7. Figure 2-8. Figure 2-9. Figure 2-10. SCSI Connections to Tape Backup Device ....2-15 Figure 2-11.
  • Page 19 Dell Contact Numbers ........4-9...
  • Page 20 xxii...
  • Page 21: The 720N, 740N, And 760N Filers

               Dell™ PowerVault™ 720N, 740N, and 760N filers are dedicated, special-purpose net- work data servers that provide fast and reliable file service to network clients connected to Ethernet networks. The 720N, 740N, and 760N filer differences are based on performance, capacity, and networking.
  • Page 22: Standard Features That You Can See From The Front Panel

    Figure 1-1 shows the standard features that you can see from the front panel. Table 1-1 describes the front panel features. Installation Brackets LEDs (Light Emitting Diodes) Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Activity LED Status LED Power LED...
  • Page 23 Figure 1-2 shows the standard features that you can see with the front bezel removed. Table 1-2 describes the features that you can see after the front bezel is removed. Reset Button Diskette Drive LCD (Liquid Crystal Display) Reset Diskette drive button This button is behind the front bezel so that you cannot reset the filer inadvert-...
  • Page 24: Standard Features That You Can See From The Back Panel

    10/100Base-T Ethernet interface SCSI Tape Interface Power Supplies Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide The built-in interface provides a 10Base-T or 100Base-T Ethernet connection. The interface automatically deter- mines the medium type (10Base-T or 100Base-T). Two LEDs report on the status of the interface (see LEDs on the front and back panels, in Chapter 3).
  • Page 25: Optional Features

    FC-AL Disk Interface The built-in interface provides an FC-AL (Fibre Channel Arbitrated Loop) connection to the Dell PowerVault 700N Disk-Array Enclosure (DAE) storage system with 18-GB disk drives. NVRAM Card This card provides Non-Volatile Random Access Memory.
  • Page 26 The filer has nine expansion slots on the system board. Slot 9 is dedicated to the NVRAM card. The remaining eight expansion slots are for additional cards and adapt- ers that enable you to expand your network connectivity and disk storage capacity. Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide None Three GB Ethernet card 0.5 TB...
  • Page 27 The connectors of the cards and adapters installed in the slots fit through the slot openings in the filer’s back panel. Figure 1-5 shows the expansion slots as viewed from the back panel. Table 1-5 shows the available slots on each filer. The bullet ( able slot.
  • Page 28: Slot Assignments

    Table 1-8 gives the slot assignments for the available eight slots on the 760N. Single-Port 10/100Base-T Ethernet Card Quad-Port 10/100Base-T Ethernet Card GB Ethernet Card FC-AL Adapter NVRAM Card Only Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide...
  • Page 29 As a network data server, the function of the PowerVault 720N, 740N, or 760N filer is to move data over the network in response to a client request. The filer uses Data ONTAP™ operating system software to do so. The data is stored on storage disks that reside in PowerVault 700N storage systems connected to the filer.
  • Page 30 1-10 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide filer two PowerVault 700N storage systems SCSI tape backup device...
  • Page 31: Preparing For The Installation

                The following list provides an overview of the procedures you perform to install the filer and the rest of the units in the system: Preparing for the installation Installing the filer in a rack Connecting the filer to a PowerVault 700N Disk-Array Enclosure (DAE) storage system Connecting the filer to the network...
  • Page 32: Environmental Requirements

    Power supply Maximum current Frequency Watts BTU/hr Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide 50° F to 104° F –4° F to 149° F (10° C to 40° C) (–20° C to 65° C) 10% to 90%...
  • Page 33 Table 2-3 gives the filer’s dimensions and weight. Height 9.625 in Width 17 in Depth 25.25 in Weight 64 lbs. Weight with all expansion slots filled. Table 2-4 describes the recommended minimum clearance for the filer. Front clearance Back clearance Additional work space in back Vertical rack space Top clearance, only in back...
  • Page 34 Locate marks on the rack’s left and right front vertical rails. These marks are 1-U spacing marks that appear every 1.75 inches of vertical rack height (see Figure 2-1). Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide installation tool)
  • Page 35 1-U marking on vertical rail 1/2-U increment in vertical rail align lower edge of support rail with one of these locations 1-U increment in vertical rail To attach each rack adapter rail to whole-U or half-U positions on the vertical rails, perform the following steps: At the front of the rack, install the rack adapter rail using threaded holes 1 and 5 for whole-U positions and holes 2 and 6 for half-U positions (see...
  • Page 36 10-32 x 0.375-inch countersunk screws Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Whole-U Alignment rack adapter rail rack vertical rail conical washer 1-U spacing mark At the back of the rack, secure the rack adapter rail to the rack’s vertical rail using two 10-32 x 0.375-inch screws and conical washers.
  • Page 37 Whole-U Alignment Half-U Alignment rack adapter rail rack vertical rail conical washer 10-32 x 0.375-inch countersunk screws 1-U spacing mark Installing a Filer System...
  • Page 38 Repeat this process to install the other cage nut on the opposite side of the verti- cal rail. Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide...
  • Page 39 Install the half-U filler panel (provided with the rack mounting kit) above the filer and tighten its screws. Your installed filer should look similar to Figure 2-6. Installing a Filer System...
  • Page 40 Later, as you install and connect cables to the back of the filer, route the cables through the cable management clip to the appropriate connector. 2-10 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide select any two holes...
  • Page 41 To connect the filer to a single PowerVault 700N storage system (or to as many as eight PowerVault 700N storage systems when cabled as a daisy-chain) you use the filer’s built-in FC-AL (DB-9) interface. To connect a second or third loop of Fibre Channel PowerVault 700N storage systems to the 740N or 760N filer, you need an FC-AL adapter card installed in the filer for each additional loop.
  • Page 42 PowerVault 700N storage system’s LCC module. Connect to the PRI connec- tor (the LCC module’s lower connector) on the PowerVault 700N storage system 0 in FC-AL loop 1. 2-12 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Connector labeled FC-AL0 PRI connector...
  • Page 43 Route the cable through the cable management loop and then to the FC-AL adapter card in slot 7 . Connect the free end of the FC-AL filer-to-PowerVault 700N storage system cable to the filer’s FC-AL adapter card connector in slot 7 (see Figure 2-9). Tighten the locking screws on the cable’s DB-9 connector.
  • Page 44 Terminate the SCSI bus at the tape backup device. Use an active SCSI terminator. For information about terminating the SCSI bus, refer to the documentation for your tape backup device. 2-14 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide...
  • Page 45 Figure 2-10 shows a SCSI cable connected to the tape backup device and to the con- nector, labeled SCSI TAPE. SCSI tape connector You can connect the filer to multiple networks. This section describes how to connect your filer to an Ethernet network. During your initial purchase, you order the NICs you need.
  • Page 46 Use Category 3 (10Base-T only) or Category 5 (10/100Base-T) unshielded twisted- pair (UTP) cable. Figure 2-11 shows the built-in Ethernet connector. 2-16 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Additional 10/100Base-T Ethernet GB (1000Base-T) Ethernet Category 3 or 5 unshielded twisted- pair (UTP) cable.*...
  • Page 47 To connect the filer to other Ethernet networks, follow this step. Connect the appropriate cable to the Ethernet network interface controller (NIC) connector. Figure 2-12 shows two quad-port 10/100Base-T cards in slots 1 and 2 and one single-port card in slot 3. Two quad-port 10/100Base-T Ethernet cards Built-in Ethernet connector Single-port 10/100Base-T Ethernet card...
  • Page 48 NOTE: To use a serial concentrator or communications server, refer to the documenta- tion for those devices. The following table lists the pin settings for the DB-9 CONSOLE port. 2-18 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Data Carrier Detect Receive Data Transmit Data...
  • Page 49 To connect an ASCII terminal to the filer, perform the following steps: Ensure that the terminal settings match the filer’s, listed in Table 2-8. Line speed 9600 baud Data bits per character Parity None Stop Bits Flow Control None Refer to the documentation for your terminal for further details. Connect the cable’s socket end to the filer’s plug connector, labeled CONSOLE.
  • Page 50 Connect the socket end of the power cord to the recessed power plug on the power supply. Secure the AC cord with the retaining clip. Figure 2-14 shows two power supplies. 2-20 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide setup program...
  • Page 51 AC power switch AC power plug Plug the other end of the power cord into a grounded electrical outlet. Repeat Steps 1 through 4 for the second power supply. Turn the power switch on the power supplies to the On position. The system verifies the filer hardware and loads the operating system.
  • Page 52 2-22 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide...
  • Page 53 This chapter does not describe system problems related to software configuration, NFS, CIFS, or HTTP . Refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide for information about troubleshooting software problems.
  • Page 54 Should any corrective action be required, the LCD displays a message. Refer to “LCD Messages” to determine what corrective action is required for a particular message. Figure 3-1 shows the LEDs on the front panel. Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Activity LED Status LED...
  • Page 55: Power Supply Leds

    Table 3-1 describes the three LED codes on the front panel. Activity Green Operation/activity is normal. Flashing CPU or network activity detected. No activity detected. Status Green The system is operating normally. A fault has occurred or the system has halted. The Yellow system requires service.
  • Page 56 Table 3-2 describes the power supply LED codes on the back panel. Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Green On — DC power is good. Off — DC output power is not good. If the DC green LED is off, contact a service technician to replace the power supply.
  • Page 57 The built-in 10/100BASE-T Ethernet connector has two LEDs, as shown in Figure 3-3. Table 3-3 describes the LEDs for the built-in 10/100BASE-T Ethernet connector. Green Bottom Yellow The filer supports a single-port 10/100BASE-T and a quad-port 10/100BASE-T Ethernet card. The single-port 10/100BASE-T Ethernet card has one connector and two LEDs, as shown in Figure 3-4.
  • Page 58 The four LEDs at the top are for the first and second channel. The four LEDs at the bottom are for the third and fourth channel, as shown in Figure 3-5. Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Single-port...
  • Page 59 Table 3-5 describes the pair of yellow and green LEDs for a single channel. First or Yellow On—Traffic is flowing through the card. Third Off—No traffic is present. Second or Green On—The link to the network is valid. Fourth Off—No link to the network is present. Quad-port Ethernet card Troubleshooting the Filer Hardware...
  • Page 60 Link status The filer has a single-port, wide differential SCSI adapter for tape backup on the back panel. This adapter has no LEDS. Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide GB Ethernet card Yellow On—The network is active Off—The network is not active...
  • Page 61: Types Of Lcd Messages

    Some of the corrective actions require you to contact a service technician to replace hardware components. The system console messages are logged to /etc/messages. If you contact Dell tech- nical support for service, report both the LCD and the console message.
  • Page 62: Types Of Startup Messages

    If you do not have a system console connected to the filer, you can observe the POST messages on the LCD. 3-10 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Immediately after you power on the filer. When the filer is loading the operating system.
  • Page 63 POST tests. Startup failed ok> If this error message appears, contact Dell technical support. The ok> prompt accepts debugging commands, which are reserved for authorized service personnel only. *SIO error *FLPY seek err *Watchdog failed*FLPY track err...
  • Page 64 If you are starting the system from a system boot diskette, some messages might be different from the following messages. Refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide for information about how the filer is started from a system boot diskette.
  • Page 65 The setup program prompts you to enter the necessary system configuration infor- mation. For more information about the filer setup program, refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide. The file system might be inconsistent...
  • Page 66 EMU y not supported File system may be scrambled Invalid PCI card slot n 3-14 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide  m—The disk number; n—the disk ID num- ber. The system detects a disk or tape drive that is not supported by Dell.
  • Page 67 The system cannot find the /etc/rc file. It automatically starts setup and prompts you to enter the necessary system config- uration information. Refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide for more information about filer setup.
  • Page 68 Some of the errors described also cause the service LED on the system front panel to illuminate. 3-16 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide  The system NVRAM produces an error when the system is starting.
  • Page 69 CIFS. One of the following errors causes CIFS service to fail: The filer’s /etc/passwd and /etc/group files are missing. To learn how to cre- ate a new filer, refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide .
  • Page 70 Non Maskable interrupt NFS service not enabled Parity disk is broken 3-18 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide  This message appears if the fan assembly of the filer stops functioning. Replace the fan assembly as soon as possible.
  • Page 71 To set the time that the system runs before it automatically shuts down, use the raid.timeout option with the options command. Refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide for more information.
  • Page 72 The following SES error messages might also appear during system operation: Drive placement ha x shelf y, No SES on shelf x ha y, Unsupported SES shelf x, ha y. 3-20 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide ...
  • Page 73 The system is dumping core after a sys- tem crash. For information about core files, refer to the Dell PowerVault 720N, 740N, and 760N System Administrator and Command Ref- erence Guide . A disk error occurred as you were hot swapping a disk.
  • Page 74 System error: errsts%x System too hot Uncor proc mchk: code x Uncor sys mchk: code x 3-22 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide  %x—An error code representing a spe- cific error condition. The system detects a hardware error, such as a parity error, that cannot be corrected.
  • Page 75: World Wide Web

      This chapter describes the tools Dell provides to help you when you have a problem with your PowerVault 720N, 740N, or 760N filer. It also tells you when and how to call Dell for technical or customer assistance. If you need assistance with a technical problem, perform the following steps: Complete the troubleshooting checks in Chapter 3, “Troubleshooting the Filer...
  • Page 76 Dell provides a number of tools to assist you. These tools are described in the follow- ing sections. NOTE: Some of the following tools are not always available in all locations outside the continental U.S. Please call your local Dell representative for information on availability.
  • Page 77: Autotech Service

    “Dell Contact Numbers” found later in this chapter. Dell takes full advantage of fax technology to serve you better. Twenty-four hours a day, seven days a week, you can call the Dell TechFax line toll-free for all kinds of tech- nical information.
  • Page 78 If you need information about additional products available from Dell Computer Corpo- ration, or if you would like to place an order, visit Dell’s World Wide Web site at http://www.dell.com/. For the telephone number to call to speak to a sales special- ist, refer to “Dell Contact Numbers”...
  • Page 79 Remember to fill out the Diagnostics Checklist (Figure 4-1). If possible, turn on your system before you call Dell for technical assistance and call from a telephone at or near the filer’s console. You may be asked to type some commands at the keyboard, relay detailed information during operations, or try other troubleshooting steps possi- ble only at the filer’s console.
  • Page 80 Name: ______________________________________________________________Date: ______________________ Address: ________________________________________________________Phone number: _________________ Service tag (bar code on the back of the computer): _________________________________________________ Express Service Code: ___________________________________________________________________________ Return Material Authorization Number (if provided by Dell support technician): ___________________________ Operating system and version: ____________________________________________________________________ Peripherals: ____________________________________________________________________________________ _______________________________________________________________________________________________...
  • Page 81 When you need to contact Dell, use the telephone numbers, codes, and electronic addresses provided in Tables 4-2 and 4-3. Table 4-2 provides the various codes required to make long-distance and international calls. Table 4-3 provides local tele- phone numbers, area codes, toll-free numbers, Web site and e-mail addresses, if applicable, for each department or service available in various countries around the world.
  • Page 82 Malaysia (Penang) Mexico (Colonia Granada) Netherlands (Amsterdam) New Zealand Norway (Lysaker) Poland (Warsaw) Singapore (Singapore) South Africa (Johannesburg) Spain (Madrid) Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide 0011 — — — — — 09/091 — Not required...
  • Page 83 Switchboard ....... 01....491 04 0 Web site: support.euro.dell.com/at E-mail: tech_support_germany@dell.com...
  • Page 84 For technical assistance in this country after normal working hours, use one of the following numbers: (353-1) 204 4008 or (353-1) 286 5908 (English only—the call is rerouted to the U.S.A.). 4-10 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide ...
  • Page 85 Fax Switchboard ..........45170117 Web site: support.euro.dell.com/dk E-mail: den_support@dell.com...
  • Page 86 For technical assistance in this country after normal working hours, use one of the following numbers: (353-1) 204 4008 or (353-1) 286 5908 (English only—the call is rerouted to the U.S.A.). 4-12 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide ...
  • Page 87     Japan Technical Support ........toll free: 0088-22-7890 (Kawasaki) Technical Support (Server) .
  • Page 88 For technical assistance in this country after normal working hours, use one of the following numbers: (353-1) 204 4008 or (353-1) 286 5908 (English only—the call is rerouted to the U.S.A.). 4-14 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide  toll free: 91-800-900-37...
  • Page 89 Technical Support (Dell Dimension systems only) ($2.50 + GST per call) ....0900 51010 Technical Support (Other systems)......0800 446 255 Customer Service .
  • Page 90 For technical assistance in this country after normal working hours, use one of the following numbers: (353-1) 204 4008 or (353-1) 286 5908 (English only—the call is rerouted to the U.S.A.). 4-16 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide ...
  • Page 91 Sales........08....590 05 185 Web site: support.euro.dell.com/se E-mail: swe_support@dell.com...
  • Page 92 Dell Sales........
  • Page 93 Ethernet network, 2-16 fibre channel disk storage, 2-11 terminal connection, 2-18 calling Dell, 4-7 Can’t open /etc/rc message, 3-13 Cannot initialize labels message, 3-13 Cannot read labels message, 3-13 CIFS service disabled! message, 3-17 cifs setup command, 3-17 Clock bogus.
  • Page 94: Electrical Requirements

    Drive m.n not supported message, 3-14 Drive placement ha x shelf y message, 3-14 Dumping core message, 3-21 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide electrical requirements, 2-2 electrostatic discharge (ESD) wrist strap and grounding leash, 2-3 electrostatic discharge.
  • Page 95: Error Messages When Halting

    error messages when halting CPU fan has failed, 3-21 Disk hung during swap!, 3-21 Error dumping core, 3-21 Halted, 3-21 ISA IOCHK, 3-21 Panicking, 3-21 error or informational messages CIFS service disabled!, 3-16 Data disk n x% rebuilt, 3-17 disk n is broken, 3-17 Fans stopped;...
  • Page 96: Techfax Service

    L2 parity error message, 3-11 see Liquid Crystal Display LEDs see Light Emitting Diodes Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide Light Emitting Diodes (LEDs), 1-2, 3-2 10/100Base-T Ethernet cards, 3-5, 3-6 activity LED on the front panel, 3-3...
  • Page 97 messages *Clock bogus. Date reset, 3-11 *Clock dead, 3-11 *Clock error, 3-11 *Clock reset, 3-11 *CPU fan stopped, 3-11 *Env-A rupt err, 3-11 *Env-A stat err, 3-11 *Env-B rupt err, 3-12 *Env-B stat err, 3-11 *Env-C rupt err, 3-12 *Env-C stat err, 3-11 *Fans stopped, 3-11 *FLPY format err, 3-11 *FLPY head err, 3-11...
  • Page 98: Product Information

    3-16, 3-21 Unsupported NVRAM size xMB message, 3-16 null modem cable, for serial console, 2-18 number, 3-14 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide NVRAM card see Non-Volatile Random Access Memory ok> prompt, 3-11 Overtemp alert message, 3-11...
  • Page 99: Space And Location Requirements

    rack, for installing the filer, 2-4 Rebooting message, 3-21 Replace NVRAM batteries! message, 3-16 requirements documentation, xiv electrical, 2-2 environmental, 2-3 rack installation, 2-3, 2-4 Reset button on the front panel, 1-3 returns, 4-4 robotic loader, on tape backup device, 2-14 safety instructions for preventing ESD, xi...
  • Page 100 Internet tools, 4-2 troubleshooting, using LEDs and LCD messages, 3-1 UTP cable for Ethernet card, 2-16 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide ventilation *CPU fan stopped message, 3-11 *Fans stopped message, 3-11 CPU fan has failed message, 3-21 Fans stopped;...

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