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Texas Memory Systems RAM-SAN 520 User Manual

Texas memory systems, inc. user's guide power supply ram-san 520
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RAM-SAN
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User's Guide
Any trademarks or registered trademarks used in this document belong to the companies that own them.
Copyright © 2003, Texas Memory Systems, Inc. All rights are reserved. No part of this work may be reproduced or used in
any form or by any means - graphic, electronic or mechanical, including photocopying, recording, taping, or information
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  • Page 1 Any trademarks or registered trademarks used in this document belong to the companies that own them. Copyright © 2003, Texas Memory Systems, Inc. All rights are reserved. No part of this work may be reproduced or used in any form or by any means - graphic, electronic or mechanical, including photocopying, recording, taping, or information...

  • Page 2: Table Of Contents

    6.6 A Power Board LED Does not Light or Blinks or Bad Fuse LEDs are Lit ...6-7 6.7 Configuration LED Stays Lit...6-7 6.8 ECC Errors Detected ...6-8 RAM-SAN User’s Guide Table of Contents Texas Memory Systems, Inc. (February 7, 2003)
  • Page 3 6.9 How to Contact Us ...6-8 Chapter 7 – Specifications...7-9 7.1 Physical Characteristics ...7-9 7.2 Operating Environment ...7-9 7.3 Non-operating Environment ...7-9 7.4 Warranty ...7-9 RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 4: Chapter 1 - Overview

    The RAM-SAN also features a management port that is used for system diagnostics, configuration, and monitoring. The RAM-SAN 520 model also includes a hot swappable 2+1 redundant power configuration. Users should exercise caution when changing out the power supplies.

  • Page 5: Chapter 2 - Installation

    DC ON DC ON DC ON AC ON AC ON AC ON Figure 1 – Rear view of RAM-SAN Texas Memory Systems, Inc. (February 7, 2003) Slot 15 Slot 15 Slot 14 Slot 14 Slot 13 Slot 13 Slot 12...

  • Page 6: Power-Up

    The ports should automatically recognize another port is connected and be ready for use. See Appendix A for a device compatibility listing. To verify a connection, use the ‘status’ command. RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 7: Chapter 3 - Understanding Your Ram-San

    The following process should be followed when hot-swapping a power supply unit: RAM-SAN User’s Guide PWR-25 PWR-25 2A Fuse Bad 2A Fuse Bad 7A Fuse Bad 7A Fuse Bad DC ON DC ON AC ON AC ON Figure 2 – RAM-SAN Power Supply (PWR-25) Texas Memory Systems, Inc. (February 7, 2003)

  • Page 8: Configuration Board And Leds

    WARNING: Please exercise caution as you hot-swap power supplies for the RAM-SAN. Failure to follow these directions could result in injury or death. If you have any questions about this procedure, call Texas Memory Systems at 713-266-3200. 1. Turn off the power module that you plan to remove. Do not remove a hot swap power module from the chassis without turning the power module off.

  • Page 9: The Front Panel Display

    Mounted on the front of the RAM-SAN is a front panel display (see Figure 4). When the RAM-SAN is in operation, the display reflects the system memory activity. The display monitors three things: location of memory accesses, bus bandwidth and which interface slots contain devices. RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)
  • Page 10 BANDWIDTH section also turn on, showing the throughput of the bus in hundreds of megabytes per second. The right-most section of the display shows which ports are loaded with devices. If a light is on, a device is present in that slot. RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)
  • Page 11 RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 12: Chapter 4 - Configuring The Ram-San

    Fabric as the RAM-SAN will see two 4 GB drives. 8 Gigabytes RAM-SAN System Memory Fibre Channel ports RAM-SAN User’s Guide 4 Gigabyte drive FC21 Texas Memory Systems, Inc. (February 7, 2003) 4 Gigabyte drive FC21...

  • Page 13: A Worked Example On Changing The Ram-San Configuration

    HBA 2 will each be assigned a unique LUN, while HBA 3 and HBA 4 will share the same LUN. The goal of the example is to create the following configuration: RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 14: Resizing Luns

    ‘l’(ell) command. We simply link a particular LUN to a port number. The follow example shows how this is done. Command (h for help): l RAM-SAN User’s Guide 3 Gigabyte drive 3 Gigabyte drive FC21 HBA 2 HBA 3 Texas Memory Systems, Inc. (February 7, 2003) 2 Gigabyte drive 3 & 4 FC21 HBA 4...

  • Page 15: Creating Lun Masks

    Enter the LUN number (1-3, default is all): <enter> LUN 1 3072 Mb ports: access: 11:11:11:11:11:11:11:11 LUN 2 3072 Mb ports: access: 22:22:22:22:22:22:22:22 LUN 3 2048 Mb ports: access: 33:33:33:33:33:33:33:33 44:44:44:44:44:44:44:44 Command (h for help): RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 16: Saving The Configuration To Flash Ram

    To actually commit the change we have made, we can use the ‘w’ command to save the configuration into Flash RAM. You may also use the ‘q’ command to quit the partitioning utility without saving any changes. RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 17: Chapter 5 - Using The Management Port

    : Displays a list of system ecc errors : Disk space allocation utility : Sets the login password : Displays system performance : Power on reset of the RAM-SAN : Resets a Fibre Channel port : Prints status information Texas Memory Systems, Inc. (February 7, 2003)

  • Page 18: History

    The ‘reset’ command allows the administrator to reset individual ports on the RAM-SAN. This command should only be needed under rare circumstances since the Fibre Channel ports handle the appropriate reset protocol. To issue this command, a port number is specified as a parameter to the command. RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 19: Status [Port]

    All of the above information is displayed for the port along with other descriptive data such as the world wide name of the port connected to the RAM-SAN. RAM-SAN User’s Guide online F-port online N-port Texas Memory Systems, Inc. (February 7, 2003)

  • Page 20: Chapter 6 - Troubleshooting

    If you are uncomfortable with any of these instructions, please feel free to call Texas Memory Systems customer support instead. See Figure 3 for a depiction of the RAM-SAN internals. The following are some general items to check if you are having problems with your system: •...

  • Page 21: Mcp21 Does Not Display Characters

    Make sure the memory board handles are up so that they hook underneath the card cage. Try to visually verify that the memory board has correctly seated into RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

  • Page 22: Ram-San Does Not Detect All Devices

    See section 6 above for an example of where to look in the error message to see how many bits are at fault. Please try to pinpoint the bad board and, if possible, chip, and then contact Texas Memory Systems customer support.

  • Page 23: Confidence Diagnostic, Diagmem, Fails

    If the DC ON and the AC ON LEDs are off or blinking, try the following: WARNING: Please exercise caution as you hot-swap power supplies for the RAM-SAN. Failure to follow these directions could result in injury or death. If you have any questions about this procedure, call Texas Memory Systems at 713-266-3200. •...

  • Page 24: Ecc Errors Detected

    RAM-SAN will cause the management port to lose the ECC error log). 6.9 How to Contact Us At Texas Memory Systems, Inc. we strive to meet our customers’ needs by providing quality products and documentation. This Users Guide will answer many of your initial questions. Please feel free to contact our Customer Support Department with any additional questions, concerns, or comments regarding your system.

  • Page 25: Chapter 7 – Specifications

    7.4 Warranty 1 year FOB Texas Memory Systems, Inc. Houston, Texas RAM-SAN User’s Guide Chapter 7 – Specifications 32-85 °F (0-30 °C) 1700 Btu/hr (500 W) 100-550 W 32-150 °F (0-65 °C) 10-90% Texas Memory Systems, Inc. (February 7, 2003)
  • Page 26 RAM-SAN User’s Guide Texas Memory Systems, Inc. (February 7, 2003)

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