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Quantum FC420 User Manual

Bridge option
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Document 6473031-04, Ver. 4, Rel. 0, September 2003
Prism FC420 Bridge Option
Fibre Channel Overview ..........................................................................................4
Library Operation after Prism FC420 Bridge Installation ...................................4
One- and Two-Drive Library Cabling ....................................................................5
Cabling an ATL M2500 with Three or More Drives.............................................6
Setting up an Ethernet Connection .......................................................................11
Verifying Current FC420 Firmware......................................................................13
Scanning the SCSI Busses on the Library.............................................................14
Creating a Map File for the FC420 ........................................................................14
Making Other Configuration Changes.................................................................14
Restoring the PC to Its Original Configuration...................................................15
Prism FC420 Service Software Operation ............................................................15
Command Syntax ....................................................................................................15
List of Abbreviations...............................................................................................16
Command Listing ....................................................................................................16
User's Guide
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Summary of Contents for Quantum FC420

  • Page 1: Table Of Contents

    Introduction Fibre Channel Overview ...4 Library Operation after Prism FC420 Bridge Installation ...4 Cabling the Library for Fibre Channel One- and Two-Drive Library Cabling ...5 Cabling an ATL M2500 with Three or More Drives...6 Setting SCSI IDs Configuring FC420 Firmware Setting up an Ethernet Connection ...11...
  • Page 2 Prism FC420 Bridge Option User’s Guide Document 6473031-04, Ver. 4, Rel. 0 September 2003 Prism FC420 Blink Codes 6207947-04fN 15...

  • Page 3: Introduction

    This document explains how to configure and operate the FC420 Fibre Channel bridge option installed in the Quantum ATL M-Series library. For FC420 installation steps, refer to the FC420 Fibre Channel Bridge Quick Reference Guide (PN 6473033). For a description of ATL M-Series library operating procedures, see the Quantum ATL M-Series Library User’s Guide (PN 6423002).

  • Page 4: Fibre Channel Overview

    LVD SCSI differential bus using the SCSI-2 medium changer command set. Overview The library’s Prism Architecture™ allows for easy conversion from the SCSI host interface to a Fibre Channel host interface by installing the FC420 bridge option. Fibre Channel is a serial data transfer architecture for use with computers and mass storage devices.

  • Page 5: One- And Two-Drive Library Cabling

    Slot for FC420 In a one-drive configuration (as shown in established from one of the SCSI ports on the FC420 bridge to the SCSI controller and then to drive 1, where the daisy chain is terminated. The SCSI controller is included in the chain to pass SCSI commands to the robot.

  • Page 6: Cabling An Atl M2500 With Three Or More Drives

    Slot for FC420 In a two-drive library, the second drive (drive 2) should be connected to the available FC420 port, creating a second SCSI bus. This utilizes the FC420 bridge fully and maximizes the communication bandwidth available to each tape drive.
  • Page 7 If an ATL M2500 containing SDLT 220, SDLT 320, or HP LTO Gen 1 drives is connected to a 1 Gb SAN, a ratio of one tape drive per FC420 SCSI port is recommended. This means that three- and four-drive libraries require a...
  • Page 8 Slot for FC420 FC420 Fibre shows a six-drive library utilizing a two-drive per SCSI port cabling To increase the bandwidth available to each tape drive, install Note: additional FC420 bridges and use the cabling configuration shown figure SCSI SCSI SCSI Drive 2...
  • Page 9 SDLT 600 and HP LTO Gen 2 drives can only be used with a 2 Gb SAN. A ratio of one tape drive per FC420 SCSI port is recommended. This means that three- and four-drive libraries require a second FC420 bridge, and five- and...

  • Page 10: Setting Scsi Ids

    September 2003 DLT8000 Drive Cabling A single FC420 bridge installed in an ATL M2500 library with DLT8000 tape drives can manage up to four drives per SCSI port. cabling configuration, with the SCSI controller and three drives on one SCSI bus, and three drives on the other SCSI bus.

  • Page 11: Configuring Fc420 Firmware

    • • • • To set up an Ethernet connection between the FC420 bridge and a service PC Setting up an Ethernet or other stand-alone computer equipped with Windows or Windows NT: Connection Know exactly how the SCSI cabling in the library is configured, including: •...
  • Page 12 2 After the ten minute wait period, attach one end of a CAT-5 crossover cable to the RJ-45 connector at the top of the FC420 bridge. 3 Attach the other end of the CAT-5 crossover cable to the NIC port on the computer.

  • Page 13: Verifying Current Fc420 Firmware

    12 If you are using Windows NT, open a DOS window and type: 13 Turn on the library. 14 Establish a Telnet connection to the FC420 bridge. To do this: To determine the current version of FC420 firmware, type info at the Verifying Current prompt and then press <...

  • Page 14: Scanning The Scsi Busses On The Library

    Ready This command scans and displays all SCSI devices found on SCSI bus 0. 2 If the second SCSI port on the FC420 bridge is being utilized, wait for the prompt to reappear, then type scsitargets 1 and press <...

  • Page 15: Restoring The Pc To Its Original Configuration

    Once you have finished configuring the FC420 bridge, return the PC to its Restoring the PC to original configuration by opening the Its Original the network settings to their original values. Configuration Prism FC420 Services Software Commands The Prism FC420 Services Software is resident on each FC420 bridge, and is used to configure the bridge for use in the library.

  • Page 16: List Of Abbreviations

    Fibre Channel port number (0) Fibre Channel LUN (0 - 31) SCSI bus number (0 - 1) SCSI target ID (1 - 15) SCSI LUN (0 - 7) lists the currently available Prism FC420 Services Software and a FCPortList SCSIPortList AutoMap...
  • Page 17 Displays the contents of the specified DispFcPortDB (Immediate) Fibre port’s internal database. 0x7F for the 0x7F Prism FC420 Services Software Commands Prism FC420 Bridge Option User’s Guide Document 6473031-04, Ver. 4, Rel. 0 September 2003 Default Syntax set dispevent [subsystem] [event_level] [status] get dispevent...
  • Page 18 Prism FC420 Bridge Option User’s Guide Document 6473031-04, Ver. 4, Rel. 0 September 2003 Command Description Displays the current contents of the DisplayEvent (Immediate) event log. The log is filtered by the current switch settings as described in DispEvent selected, the display filtering is temporarily suspended and all logged events are displayed.
  • Page 19 Sets/displays the value used as the FC- FcHardAddress AL hard address. Enables/disables the initiator function FcInitiator of the FC420 bridge on the Fibre channel network. Lists the available Fibre Channel ports FcPortList (Immediate) and their current status.
  • Page 20 Specify the 8-character name assigned to FibreBridgeName the FC420 bridge. Specify the soft target LUN used by the FibreBridgeTargetLUN FC420 when addressed by the host. This LUN is taken from NVRAM. Reboots the FC420 firmware. FirmwareRestart (Immediate) Displays a list of available commands.
  • Page 21 Command Description Enables/disables the capability of the IPDHCP FC420 bridge to request an IP address from a DHCP server on the network. Sets/displays the current default IPGateway gateway. If the enabled, the current IP gateway assigned by the nameserver. Sets/displays the current subnet mask.
  • Page 22 When the FC420 services interface is reserved, that at least one service interface always has access to the FC420 at all times. This interface always reports a RELEASED status, since it may issue Restore to factory default configuration...
  • Page 23 ScsiInitID on the specified SCSI port. Specifies the transfer rate at which the ScsiPortBusSpeed FC420 bridge will attempt to negotiate with SCSI devices. The choices are Fast SCSI, Ultra SCSI, Ultra 2 SCSI, and Ultra 3 SCSI. List the available SCSI ports and their...
  • Page 24 Set the data handshaking method used SerialPortHandshake for controlling the flow between the transmitter and receiver (hardware, software, or none). Set the number of stop bits for the FC420 SerialPortStopBits serial port (1 or 2). Prism FC420 Services Software Commands Default...
  • Page 25 ServicesLUN. This map will be destroyed upon power-cycling the FC420 bridge. Disabling a ServicesLUN for a particular Fibre port will destroy the map to the FC420 bridge for that port. Enables/disables SpeedWrite SpeedWrite functionality to any SCSI device currently mapped to the FC420 bridge.
  • Page 26 Prism FC420 Bridge Option User’s Guide Document 6473031-04, Ver. 4, Rel. 0 September 2003 Command Description Displays information about the devices XCDevices used in a specified Extended Copy command. The obtained using the This command returns the following information: device type, vendor ID, product ID, serial number, and data direction.
  • Page 27 Prism FC420 Blink Codes During normal library operation, the Ready/Fault LED on the FC420 bridge is lit, indicating that the bridge is ready to be used. Figure 8 Primary Electronics Module with FC420 Bridge Installed If there is an error, the Ready/Fault LED blinks in the following pattern: •...
  • Page 28 Prism FC420 Bridge Option User’s Guide Document 6473031-04, Ver. 4, Rel. 0 September 2003 Table 3 Blink Code Summary First Second Error Blink Blink Code Digit Digit Classification Fatal Fatal Fatal Fatal Fatal Fatal Fatal Fatal Fatal Fatal/Non- fatal/Critical Fatal...
  • Page 29 Code Digit Digit Classification Fatal Critical Fatal Fatal Fatal Fatal Fatal Prism FC420 Bridge Option User’s Guide Recommended Failure Action SCSI controller chip Reboot board and 2 failure record error log Temperature out of Reboot board range EOS panic code...
  • Page 30 Prism FC420 Bridge Option User’s Guide Document 6473031-04, Ver. 4, Rel. 0 September 2003 First Second Error Blink Blink Code Digit Digit Classification Fatal Fatal Fatal Critical Non-fatal Fatal Recommended Failure Action Ethernet failure Reboot board and check error log...

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