Dell PowerVault 220S Service Manual
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Dell PowerVault 220S Service Manual

Dell PowerVault 220S Service Manual

Dell powervault 220s and 221s systems scsi drive enclosure
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Download this manual See also: Installation Manual, Manual
Dell PowerVault 220S and 221S Systems Service Manual
Dell™ PowerVault™ 220S and 221S Systems Service
Manual
Preface
System Overview
Basic Troubleshooting
Removing and Replacing Parts
Information in this document is subject to change without notice.
© 2001-2004 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, PowerVault, and Dell OpenManage are trademarks of Dell Computer Corporation; IBM is a
registered trademark of International Business Machines Corporation.
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 proprietary interest in trademarks and trade names other than its own.
Initial release: 17 Sep 2001
Last revised: 25 Oct 2004
file:///C|/Users/rishi_sood/Desktop/220s/en/sm/index.htm[3/7/2013 12:09:10 PM]

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  • Page 1 Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, PowerVault, and Dell OpenManage are trademarks of Dell Computer Corporation; IBM is a registered trademark of International Business Machines Corporation.

  • Page 2: Read This First

    Preface : Dell PowerVault 220S and 221S Systems Service Manual Back to Contents Page Preface Dell™ PowerVault™ 220S and 221S Systems Service Manual Read This First Notes, Notices, and Cautions Read This First Prerequisites for using this manual to service your system is a basic knowledge of IBM®-compatible PCs, prior training in IBM-compatible PC troubleshooting techniques, and experience troubleshooting SCSI storage enclosures.

  • Page 3: System Overview

    Overview Dell™ PowerVault™ 220S and 221S systems are reliable, flexible, external SCSI expansion enclosures designed to support multiple Dell storage environments and RAID configurations. Each system offers maximized drive-spindle count, hot-plug hard drives, optional redundant power supplies, redundant cooling modules, rackmount capability, systems management features, and a modular design for easy upgrades.

  • Page 4: Service Features

    System Overview : Dell PowerVault 220S and 221S Systems Service Manual Service Features Your storage system was designed for easy serviceability. All hard drives, power supplies, cooling modules, EMMs/SCSI terminator cards, and split-bus modules can be removed and replaced without having to remove system covers or other components.

  • Page 5: Back-Panel Features And Indicators

    System Overview : Dell PowerVault 220S and 221S Systems Service Manual Table 1. Front Panel Indicators LED Indicator LED Icon Condition Power (green) At least one power supply is supplying power to the system. Shelf-fault One of the following conditions has occurred: power-supply failure, EMM failure, cooling-module failure, over-temperature condition, split-bus module not (amber) installed, or firmware currently being downloaded.
  • Page 6 System Overview : Dell PowerVault 220S and 221S Systems Service Manual 7 primary EMM 8 split-bus module 9 secondary EMM Figure 4. Back-Panel Features (Systems With Nonredundant EMMs and Nonredundant Power Supplies) 1 SCSI terminator card 2 cooling module (blowers 2 and 3)
  • Page 7 System Overview : Dell PowerVault 220S and 221S Systems Service Manual Split-Bus Module Your storage system supports three SCSI bus modes controlled by the split-bus module: Joined-bus mode Split-bus mode Cluster mode These modes are controlled by the position of the bus configuration switch when the system is turned on.
  • Page 8 System Overview : Dell PowerVault 220S and 221S Systems Service Manual Table 5 for a description of split-bus module modes and functions. NOTE: To change the SCSI bus mode, you must change the position of the bus configuration switch before turning on the storage system. Changing the position of the bus configuration switch while the system is on will not affect system operation.

  • Page 9: Temperature Probes

    System Overview : Dell PowerVault 220S and 221S Systems Service Manual Table 6 lists the conditions for each EMM LED indicator. See Figure 5 for location of the LED indicators. Table 6. EMM LED Indicators LED Indicator LED Icon Condition Power (green) The system is receiving power.

  • Page 10: Audible Alarm

    System Overview : Dell PowerVault 220S and 221S Systems Service Manual Table 8. Power Supply and Cooling Module LED Indicators Module Icon LED Indicator LED Icon Function Power on (green) DC output voltages are within specifications. Fault (amber) One of the DC output voltages is not within specifications.

  • Page 11: Led Indicators

    System Overview : Dell PowerVault 220S and 221S Systems Service Manual Drives SCSI hard drives support for up to fourteen 1-inch-by-3.5-inch LVD Ultra 160 and Ultra 320 SCSI hot-plug hard drives, at speeds of 10K or 15K rpm and capacities of 18 GB, 36 GB, 73 GB, 146 GB, or 300 GB...

  • Page 12: Power Supplies

    System Overview : Dell PowerVault 220S and 221S Systems Service Manual Power supply and cooling module 3 LED status indicators for power supply status, power supply fault, and AC status and 2 for cooling module fault Power Supplies Wattage 600 W...
  • Page 13 System Overview : Dell PowerVault 220S and 221S Systems Service Manual Back to Contents Page file:///C|/Users/rishi_sood/Desktop/220s/en/sm/intro.htm[3/7/2013 12:09:13 PM]...

  • Page 14: Basic Troubleshooting

    Safety First—For You and Your System Do not attempt to service the system except as explained in this guide and elsewhere in Dell documentation. Additionally, before you service the system, review all of the procedures in "Safety Instructions" in your Product Information document.

  • Page 15: Indicators Overview

    Basic Troubleshooting : Dell PowerVault 220S and 221S Systems Service Manual Ensure that the cable connectors are firmly seated before you tighten the captive thumbscrews. When detaching the cable, avoid damage to the cable by grasping and pulling on the cable connector rather than the cable.

  • Page 16: Troubleshooting The System

    Basic Troubleshooting : Dell PowerVault 220S and 221S Systems Service Manual For a list of all SCSI hard-drive LED flash patterns, including the ones described previously, see Table To troubleshoot your SCSI hard drives, complete the following steps: 1. Is the storage system turned off? Yes.
  • Page 17 Hard-disk drives Host bus adapter or PERC No. Download the latest firmware and/or drivers from the Dell Support website at support.dell.com. Yes. Go to step 3. 3. Is the amber over-temperature LED on the front of the system illuminated? (See Figure 2 for location.)
  • Page 18 Basic Troubleshooting : Dell PowerVault 220S and 221S Systems Service Manual down to prevent damage. Troubleshooting a Power Supply The three power-supply LEDs on the back of the power supply (see Figure 8) indicate the status of the power supply when it is...
  • Page 19 Basic Troubleshooting : Dell PowerVault 220S and 221S Systems Service Manual No. Go to step 3. Yes. A power supply has failed. Replace the failed power supply (see "Replacing the Power Supply"). 3. Is the amber fault LEDs for blower A and/or blower B illuminated? (See Figure 8 for LED locations.)
  • Page 20 Basic Troubleshooting : Dell PowerVault 220S and 221S Systems Service Manual Verify that your SCSI cables meet the following minimum specifications: NOTE: For U160 systems -- SPI3 specification For U320 systems -- SPI4 specification SPI4 cables are backward-compatible and will work on U160 subsystems. However, using a SPI3/U160 cable from another external device on a U320 enclosure may cause unpredictable and erratic behavior that could result in data loss.

  • Page 21: Removing And Replacing Parts

    Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual Back to Contents Page Removing and Replacing Parts Dell™ PowerVault™ 220S and 221S Systems Service Manual Parts Replacement Procedures Removing and Installing the Split-Bus Module Recommended Tools...

  • Page 22: Installing Hard Drives

    Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual NOTICE: To avoid damage, never leave a drive carrier partially removed from the storage system. Rotating a carrier handle next to an unseated drive carrier will result in serious damage to the unseated drive carrier.
  • Page 23 Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual a. Using a standard screwdriver, detach the slide rail on the right (or hinge) side of the carrier from the metal carrier shield by bending away the metal tab located...
  • Page 24 Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual 2 screws (4) 3 drive carrier 4 hard drive 3. With the hard-drive carrier handle open, carefully align the drive carrier guide rail with the appropriate drive slot key on the chassis face plate, and insert the hard drive into the storage system until the bottom of the open carrier handle makes contact with the chassis face plate.
  • Page 25 3. Using a #2 Phillips-head screwdriver, tighten the captive screw at the top of the module to secure the module to the chassis. Connect the SCSI cable to the EMM. 5. If necessary, update the firmware for your EMM(s). See the Dell Support website at support.dell.com for the latest information on firmware updates. NOTE: If you have two EMMs installed, both must be running the same firmware level.

  • Page 26: Replacing A Power Supply

    Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual 2. Using a #2 Phillips-head screwdriver, loosen the captive screw at the top of the split-bus module (see Figure 17). 3. Grasp the handle of the module and pull it from the module slot.
  • Page 27 Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual Replacing a Power Supply in Systems With Redundant Power Supplies NOTICE: If you have a system with two power supplies, the power supplies are hot-pluggable. You can install or remove one of the two power supplies while the system is turned on.
  • Page 28 Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual 5. Attach the cooling module to a new power supply by performing the reverse of step 4. 6. Carefully slide the new power supply and cooling module into the empty module bay, and push the module all the way to the back of the bay until it is seated in the backplane connector.

  • Page 29: Replacing A Cooling Module

    Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual 4. Using a #2 Phillips-head screwdriver, turn the two captive screws counterclockwise to release the power supply and cooling module from the module bay (see Figure 18).

  • Page 30: Replacing The Scsi Backplane

    Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual CAUTION: The power supply or power supply blanks and cooling modules are heavy. Use both hands when removing. 3. Grasp the handle on the power supply or blank and carefully pull the power supply or blank and cooling module out of the module bay.
  • Page 31 Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual 9. Facing the rear of the system, grasp the connectors in the middle of the SCSI backplane and pull straight back approximately 1 inch so that the backplane alignment holes clear...
  • Page 32 Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual Back to Contents Page file:///C|/Users/rishi_sood/Desktop/220s/en/sm/remove.htm[3/7/2013 12:09:15 PM]...

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