Texas Memory Systems RAM-SAN 520 manual Overview

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Chapter 1 - Overview

The RAM-SANTMis a high-performance, multi-ported, solid-state disk. Memory capacity ranges from 16 gigabytes (GB) through 128 GB in 16 GB increments1. Memory is organized internally in 128-bit wide words and accessed via four parallel memory buses that can each sustain an aggregate bandwidth of up to 800 megabytes per second, giving a system bandwidth of up to 3.2 GB per second.

The RAM-SAN features up to fifteen Fibre Channel I/O ports, each of which can sustain up to 200 megabytes per second in full duplex mode. Multiple devices can access memory simultaneously at full speed, subject to the aggregate memory bus bandwidth limit. 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.

1One gigabyte is defined as 1,073,741,824 bytes.

RAM-SAN User’s Guide

Texas Memory Systems, Inc. (February 7, 2003)

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Contents RAM-SANTM Table of Contents Specifications Overview Installation Connecting to the management portInspection E.S.D. WarningConnecting the Fibre Channel Ports Power-UpSystem Tests Power Understanding Your RAM-SANInterface Slot Numbering Inside the RAM-SANConfiguration Board and LEDs Front Panel Display Top-down View of RAM-SAN InternalsRAM-SAN Front Panel RAM-SAN User’s Guide Texas Memory Systems, Inc. February 7 Configuring the RAM-SAN Configuring the Ethernet PortConfiguring Luns RAM-SAN MonitorWorked Example on Changing the RAM-SAN Configuration Resizing LUNs Attaching Fibre Channel Ports to the LUNsCreating LUN Masks Saving the Configuration to Flash RAM Testmem Errchat on/offExit quit HelpIpconfig PasswordReboot hard/soft Reset portStatus port Management Port Fails to Boot TroubleshootingBasic Items to Check Boot Sequence Does Not Complete RAM-SAN Boots Incorrectly1 MCP21 Does Not Display Characters Does Not Accept Character InputCatastrophic Boot Error Detected RAM-SAN Does Not Detect all DevicesFinding Bad Memory Locating a Bad Memory BoardConfidence Diagnostic, DIAGMEM, Fails Configuration LED Stays LitECC Errors Detected How to Contact UsSpecifications Physical CharacteristicsWarranty Operating EnvironmentRAM-SAN User’s Guide Texas Memory Systems, Inc. February 7