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Table of Contents
Chapter 1 - Overview .............................................................................................................................................................1-1
Chapter 2 - Installation ..........................................................................................................................................................2-1
2.1 Inspection .......................................................................................................................................................................2-1
2.2 E.S.D. Warning...............................................................................................................................................................2-1
2.3 Rack Mounting ...............................................................................................................................................................2-1
2.4 Connecting to the management port ...............................................................................................................................2-1
2.5 Power-Up........................................................................................................................................................................2-2
2.6 System Tests...................................................................................................................................................................2-2
2.7 Connecting the Fibre Channel Ports ...............................................................................................................................2-2
Chapter 3 - Understanding Your RAM-SAN.......................................................................................................................3-1
3.1 Interface Slot Numbering ...............................................................................................................................................3-1
3.2 Inside the RAM-SAN .....................................................................................................................................................3-1
3.3 Bus Layout......................................................................................................................................................................3-1
3.4 Power..............................................................................................................................................................................3-1
3.5 Configuration Board and LEDs ......................................................................................................................................3-2
3.6 The Front Panel Display .................................................................................................................................................3-3
Chapter 4 – Configuring the RAM-SAN ..............................................................................................................................4-1
4.1 The RAM-SAN Monitor.................................................................................................................................................4-1
4.2 Configuring the Ethernet Port.........................................................................................................................................4-1
4.3 Configuring LUNS .........................................................................................................................................................4-1
4.3.1 A Worked Example on Changing the RAM-SAN Configuration............................................................................4-2
4.3.2 Resizing LUNs.........................................................................................................................................................4-3
4.3.3 Attaching Fibre Channel Ports to the LUNs ............................................................................................................4-3
4.3.4 Creating LUN Masks...............................................................................................................................................4-4
4.3.5 Saving the Configuration to Flash RAM .................................................................................................................4-5
Chapter 5 – Using the Management Port .............................................................................................................................5-1
5.1 testmem...........................................................................................................................................................................5-1
5.2 errchat <on/off>..............................................................................................................................................................5-1
5.3 exit (quit) ........................................................................................................................................................................5-1
5.4 help .................................................................................................................................................................................5-1
5.5 history.............................................................................................................................................................................5-2
5.6 ipconfig...........................................................................................................................................................................5-2
5.7 log...................................................................................................................................................................................5-2
5.8 partition...........................................................................................................................................................................5-2
5.9 performance....................................................................................................................................................................5-2
5.10 password.......................................................................................................................................................................5-2
5.11 reboot <hard/soft> ........................................................................................................................................................5-2
5.12 reset <port>...................................................................................................................................................................5-2
5.13 status [port]...................................................................................................................................................................5-3
Chapter 6 - Troubleshooting..................................................................................................................................................6-4
6.1 Basic Items to Check ......................................................................................................................................................6-4
6.2 Management Port Fails to Boot ......................................................................................................................................6-4
6.2.1 MCP21 Does Not Display Characters .....................................................................................................................6-5
6.2.2 Boot Sequence Does Not Complete.........................................................................................................................6-5
6.2.3 Does Not Accept Character Input............................................................................................................................6-5
6.3 RAM-SAN Boots Incorrectly.........................................................................................................................................6-5
6.3.1 RAM-SAN Detects Partial or No Memory..............................................................................................................6-5
6.3.2 RAM-SAN Does Not Detect all Devices.................................................................................................................6-6
6.3.3 Catastrophic Boot Error Detected............................................................................................................................6-6
6.4 Finding Bad Memory......................................................................................................................................................6-6
6.4.1 Locating a Bad Memory Board ...............................................................................................................................6-6
6.4.2 Confirming a Bad Memory Board ...........................................................................................................................6-6
6.5 Confidence Diagnostic, DIAGMEM, Fails ....................................................................................................................6-7
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 Texas Memory Systems, Inc. (February 7, 2003) i