background image

 
 

Any trademarks or registered trademarks used in this document belong to the companies that own them. 
 

 

 

 

RAM-SAN

TM

 

 

User’s Guide 

 

 
 

 

 

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 
storage and retrieval systems - without permission of the copyright owner. 
 

Summary of Contents for RAM-SAN 520

Page 1: ...User s Guide 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 storage and retrieval systems without permission of the copyright owner ...

Page 2: ...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 Charac...

Page 3: ...ct 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 ii ...

Page 4: ...ures 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...

Page 5: ...Slot 15 Slot 14 Slot 13 Slot 12 Slot 7 Slot 6 Slot 5 Slot 4 PWR 25 2A Fuse Bad 7A Fuse Bad DC ON AC ON PWR 25 2A Fuse Bad 7A Fuse Bad DC ON AC ON I O PWR 25 2A Fuse Bad 7A Fuse Bad DC ON AC ON I O I O Slot 3 Slot 2 Slot 1 Slot 0 Slot 11 Slot 10 Slot 9 Slot 8 Slot 15 Slot 14 Slot 13 Slot 12 Slot 7 Slot 6 Slot 5 Slot 4 PWR 25 2A Fuse Bad 7A Fuse Bad DC ON AC ON PWR 25 2A Fuse Bad 7A Fuse Bad DC ON A...

Page 6: ...al connection to the management port you should see the following on the display during power up Starting up TREX Creating low level tasks done Creating monitor task done Creating ethernet task done Creating DEVMAN tasks done Texas Memory Systems Inc RAM SAN monitor version x xx At this stage the RAM SAN is ready for use 2 6 System Tests The management port is capable of running diagnostics on the...

Page 7: ... Ports 0 1 2 and 3 are on bus A ports 4 5 6 and 7 are on bus B ports 8 9 10 and 11 are on bus C and ports 12 13 14 and 15 are on bus D If only a few interfaces are present in the RAM SAN distributing them among all four buses and putting each active DMA device alone on a bus can optimize performance As you look at the rear of the RAM SAN an ideal installation of four 4 Fibre Channel ports would be...

Page 8: ...ircuit board that holds configuration information for the various programmable components in the system It plugs into a connector at the top of the interface motherboard see Figure 3 The system configuration board is upgradeable to support future hardware revisions To upgrade simply remove the old board by pulling it towards the rear of the system and gently insert the replacement board There are ...

Page 9: ...N 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 3 3 ...

Page 10: ...ds to interface ports 12 13 14 and 15 When any device on a bus is active a light turns on in the ADDRESSES section of the display corresponding to which gigabyte of memory it is accessing Lights in the 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 ...

Page 11: ...RAM SAN User s Guide Texas Memory Systems Inc February 7 2003 3 1 ...

Page 12: ...u see the ram san prompt enter the ipconfig command If you are using an automated IP assignment such as reverse address resolution protocol rarp then select 2 Otherwise the static IP selection will prompt you for your IP subnet mask and gateway Pressing return without any input will automatically pick the default value The output from the ipconfig command looks like this ram san ipconfig 1 Static ...

Page 13: ...dware configuration shown above Command h for help p Enter the LUN number 1 2 default is all enter LUN 1 4096 Mb ports 5 access Open access LUN 2 4096 Mb ports 9 access Open access Command h for help 4 3 1 A Worked Example on Changing the RAM SAN Configuration The following sections detail how to change size of the LUNs within the system We will change the factory configuration that is explained a...

Page 14: ...ould you like to make 3 Would you like to remove port assignments Y n enter Would you like to remove LUN masks Y n enter LUN 0 size default 8192 Mb 3072 LUN 1 size default 5120 Mb 3072 LUN 2 size default 2048 Mb enter Command h for help p Enter the LUN number 1 3 default is all enter LUN 1 3072 Mb ports access Open access LUN 2 3072 Mb ports access Open access LUN 3 2048 Mb ports access Open acces...

Page 15: ... the administrator to specify which HBAs are allowed to communicate with each LUN The a command will add a world wide name to a LUN s access list activating the masking of that LUN to all other HBAs The following command sequence will add all four world wide names to our LUN mask Command h for help a Enter LUN number 1 Enter the world wide name colon delineated 11 11 11 11 11 11 11 11 Command h fo...

Page 16: ... HBAs to 3 different LUNs within the memory system 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 4 5 ...

Page 17: ...dom pattern is used This test is used to find bit error and ECC errors in system memory Data errors will be shown as part of the testmem command ECC errors may be viewed using the log command from the command line Any ECC errors will be noted with a terminal beep and a message NOTE THIS COMMAND DESTROYS ALL DATA IN SYSTEM MEMORY 5 2 errchat on off The errchat command toggles the displaying of ECC ...

Page 18: ... SAN remotely through the management port a password feature has been included for system security By default this password is not set and thus not requested when connecting to the system If a password is created then all logins to the RAM SAN will require this password In order to change the password the current password must be entered first However on the console the password may be set without...

Page 19: ... displayed Once the memory initialization is complete the word Ready is displayed and the RAM SAN is ready for use Each port has a line that describes the current state of the Fibre Channel port The string means that no Fibre Channel port exists in that location The first column describes the line state of the port A no light string means that a signal is not being detected by the receiver Offline...

Page 20: ...e having problems with your system Make sure that the RAM SAN internal fans are blowing when your system is powered on This proves that the RAM SAN has power When turning on your RAM SAN please be sure that the power was off for at least 30 seconds The internal power supplies take some time to dissipate their charge Several of the parts in the system require a full power down to properly reset The...

Page 21: ...f the power before moving any boards in the system If there is an interface in slot 8 remove it or move it to another slot If there is a blank faceplate in slot 8 remove it Open the top lid of the RAM SAN and then turn on the power Verify that all power modules have both the AC and DC LEDs on and the bad fuse LEDs off After all system activity has stopped and you see the VIM prompt displayed on th...

Page 22: ...e slide rails as guides and tighten the faceplate screws 6 3 3 Catastrophic Boot Error Detected Call Texas Memory Systems for help diagnosing the problem 6 4 Finding Bad Memory This step by step guide will help you locate and confirm a faulty memory board or chip in your RAM SAN If only a handful of bit errors are present the problem may be with a single memory chip which can be located using this...

Page 23: ...ding upon the internal temperature If a bad fuse LED is lit contact a Texas Memory Systems customer support technician for instructions on how to replace the fuse If more than one of the power supplies have blinking lights and the fans are not running then check the 2A Fuse Bad LED on the power supply nearest the fans If it is also lit then it is possible that the fans are not receiving power Remo...

Page 24: ...t that the RAM SAN has experienced a power surge or glitch turn off the RAM SAN wait for the internal fans to stop and then turn the system back on 6 8 ECC Errors Detected The RAM SAN hardware has a mechanism for detecting system data errors using an error correction code ECC ECC errors are caused by bits being read from system memory incorrectly and are reported to the management port If an ECC e...

Page 25: ...to side airflow 7 2 Operating Environment Temperature 32 85 F 0 30 C Max relative humidity 80 non condensing Max heat dissipation 1700 Btu hr 500 W Power consumption 100 550 W 7 3 Non operating Environment Temperature 32 150 F 0 65 C Relative Humidity 10 90 non condensing 7 4 Warranty 1 year FOB Texas Memory Systems Inc Houston Texas RAM SAN User s Guide Texas Memory Systems Inc February 7 2003 7 ...

Page 26: ...RAM SAN User s Guide Texas Memory Systems Inc February 7 2003 i ...

Reviews: