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Manuel d’utilisation Texas Memory Systems RAM-SAN 520

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  • Texas Memory Systems RAM-SAN 520 - page 1

    Any trademarks or registered tradem arks used in this document belong to th e companies that own them. RAM-SAN TM User’s Guide Copyright © 2 003, Texas Mem ory System s, Inc. All rights are reser ved. No part of t his work m ay be reproduce d or used in any form or by any means - graphic, elect ronic or m echanical, incl uding ph otocopying , re ...

  • Texas Memory Systems RAM-SAN 520 - page 2

    Table of Contents Chapter 1 - O verview ........................................................................................................... ..................................................1-1 Chapter 2 - In stalla tion ....................................................................................................... ................. ...

  • Texas Memory Systems RAM-SAN 520 - page 3

    6.9 How to C ontact Us .......................................................................................................... ...............................................6-8 Chapter 7 – S pecifications..................................................................................................... ...................................... ...

  • Texas Memory Systems RAM-SAN 520 - page 4

    Chapter 1 - Overview The RAM-SAN TM is a hi gh-perform ance, m ulti-ported, solid-state disk. Me mory capacit y ranges from 16 gigaby tes (GB) through 128 G B in 16 GB increm ents 1 . Memory is orga nized internally in 128- bit wide words and accessed via four pa rallel memory buses that can each s ustain an aggregate bandwi dth of up to 800 megaby ...

  • Texas Memory Systems RAM-SAN 520 - page 5

    Chapter 2 - Inst allation The RAM-SAN is shipped with m emory boar ds and i nterfaces already installed. Be fore connecting t o a power su pply, please perform a preliminary inspection to check for an y signs of loos e parts, to ensure that all interfaces are still firmly position ed in place, and to check for any obvious sign s of damage. During p ...

  • Texas Memory Systems RAM-SAN 520 - page 6

    The managem ent port support s Ethernet co nnections via Te lnet. The IP address ma y be assigned autom atically using a DHCP, BOOTP or RARP se rver. The IP addres s m ay also be statically set using the ‘ ipcon fig ’ command fr om the serial port. The serial connection on the manag ement port may optionally be used to comm unicate with the RAM ...

  • Texas Memory Systems RAM-SAN 520 - page 7

    Chapter 3 - Underst anding Y our RAM-SAN 3.1 Interface Slot Numbering Each device in a RAM-SAN has a unique internal addr ess based on the physical location of th e device in the system. An interface’s port num ber can be determined by insp ecting the back of t he RAM-SAN (see Figure 1). 3.2 Inside the RAM-SAN You can open the top of the RAM-SAN ...

  • Texas Memory Systems RAM-SAN 520 - page 8

    WARNING : Please exercise caution as you hot-swap power supplies fo r t he RAM-SAN. Failure to follow these directions could result i n injury or death. I f you have a ny questions a bout this p rocedure, call Texas Mem ory System s at 713-266- 3200. 1. Turn off the power m odule that you plan to rem ove. Do not remove a hot swap power module fr om ...

  • Texas Memory Systems RAM-SAN 520 - page 9

    Figure 3 – Top-down View of RAM-SAN Internals The Front Panel Display Mounted on the front of the RAM- SAN is a front panel display (see Figur e 4). When the RAM-SAN is in op eration, the display reflects the system m emory activity. The display mon itors three things: location of m emory accesses, bus bandwidth and which interface slots cont ain ...

  • Texas Memory Systems RAM-SAN 520 - page 10

    Figure 4 – RAM-SAN Fron t Panel The RAM-SAN display cons ists of f our rows of li ghts. Each row corres ponds to one of the four R AM-SAN system busses. The top row corresponds to interface ports 0, 1, 2 and 3, the ne xt row to ports 4, 5, 6 a nd 7, the next row to ports 8, 9, 10 a nd 11, and the bottom row c orrespond s to interface ports 12, 13 ...

  • Texas Memory Systems RAM-SAN 520 - page 11

    RAM-SAN User’s Guide Texas Memory Sy stems, Inc. (Fe bruary 7, 2003 ) 3-1 ...

  • Texas Memory Systems RAM-SAN 520 - page 12

    Chapter 4 – Configuring the RAM-SAN This chapter focuses on configuring the RAM-SAN. This incl udes confi guring the Et hernet param eters, resizing LU NS, and performi ng LUN Maskin g. 4.1 The RAM-SAN Monitor The RAM-SAN is managed t hrough an interactive command tool . T he management soft ware is accessed over Etherne t or the serial port on t ...

  • Texas Memory Systems RAM-SAN 520 - page 13

    The amount of storage allocat ed to each Fibre Channel port may be changed using a simple configuration utility provided in the monitor. To enter this utility, type ‘ partition ’ on the monitor co mmand line. You should see a message similar to this one: ram-san> ram-san> partition ** RAM-SAN partitioning utility ** Total memory size: 819 ...

  • Texas Memory Systems RAM-SAN 520 - page 14

    RAM-SAN 8 Gigabyte s System Memory Fibre Channel ports 3 Gigabyte drive 1 3 Gigabyte drive HBA 1 HBA 2 HBA 3 FC21 FC21 HBA 4 2 Gigabyt e drive 3 & 4 2 4.3.2 Resizing LUNs The first step in changing t he configura tion is to resize the LUNs. Since our ne w configuration calls for three different LUNs, we need to use the ‘ r ’ command to resi ...

  • Texas Memory Systems RAM-SAN 520 - page 15

    Enter the LUN number: 1 Enter the Fibre Channel port: 5 Command (h for help): l Enter the LUN number: 2 Enter the Fibre Channel port: 5 Command (h for help): l Enter the LUN number: 3 Enter the Fibre Channel port: 9 Command (h for help): p Enter the LUN number (1-3, default is all): <enter> LUN 1 -- 3072 Mb ports: 5 access: Open access LUN 2 ...

  • Texas Memory Systems RAM-SAN 520 - page 16

    4.3.5 Saving the Confi guration to Flash RAM The RAM-SAN has now bee n configure d to allow acc ess from four different HBAs to 3 differe nt LUNs withi n the mem ory system. To actually commit the change we have m ade, we can use the ‘ w ’ command t o save the c onfiguration i nto Flash RAM. You may also use the ‘ q ’ comman d to quit the p ...

  • Texas Memory Systems RAM-SAN 520 - page 17

    Chapter 5 – Using the Management Port The managem ent port on the RAM-SAN allows an admi nistrator to confi gure the syste m, moni tor perform ance, and diagno se problems with the system. The ‘ help ’ command displays a list of commands av ailable. The following sections prov ide a more detailed description of the commands availab le through ...

  • Texas Memory Systems RAM-SAN 520 - page 18

    5.5 history The monitor maintains a volatile command history of the last 25 commands that hav e been entered. Using the ‘ history ’ command pr ovides a lis ting of t he history. Commands m ay be e ntered usin g the ‘<’ a nd ‘>’ key s to scrol l through thi s history or the unix-like ‘!’ comman ds. The command history is volati ...

  • Texas Memory Systems RAM-SAN 520 - page 19

    5.13 status [port] The status command provides an overview of the RAM- SAN includi ng Ethernet i nformati on, memory size, and the sta te of the Fibre Channel ports. The following output shows a sample statu s screen: ram-san> status Texas Memory Systems, Inc. RAM-SAN Monitor version 1.00 Ethernet address: 00:20:c2:00:07:f1 Ethernet IP: 192.94.2 ...

  • Texas Memory Systems RAM-SAN 520 - page 20

    Chapter 6 - T roubleshooting This chapter is a quick troublesh ooting guide for the most common RAM-SA N errors. To verify basic RAM-SAN operation, please consult Chapter 5 fo r instructions on running the syst em diagnostics. Below is a short list of RA M-SAN er rors, symptoms and solutions. If this guide does not identify and correct your problem ...

  • Texas Memory Systems RAM-SAN 520 - page 21

    6.2.1 MCP21 Does Not Display Characters If nothing is displayed on the dumb terminal connected to the RAM-SAN, try the following: • Check for solid serial cable connection at bo t h the ma nagement and the debu g monito r. • Be sure that the dumb terminal is set at 9600 baud, no parity, eigh t data bits, one stop bit, no flow control and US /CR ...

  • Texas Memory Systems RAM-SAN 520 - page 22

    the memory connect or – the connector has a key t o keep the mem ory board from goin g in backwards or awkwardly. Once in pla ce, use the handl es to evenly levera ge the memory board int o the slot. • If none of the abo ve hints helped, faulty hardware may exist. Fo llow the steps in section 6.4, Finding Bad Memory, and try to pinpoin t which ...

  • Texas Memory Systems RAM-SAN 520 - page 23

    Then repeat the steps abo ve to confirm that the me mory error follow ed the suspected board to th e new board slot. Contact Texas Memory S ystems with all the inf ormatio n you have found t o begin actions to resolve the problem. 6.5 Confidence Diagnostic, DIAGMEM, Fails If the ‘ testmem ’ test produces error m essages, use section 6.4 ab ove ...

  • Texas Memory Systems RAM-SAN 520 - page 24

    power gl itches o r a serious h ardware failure . If a configuration LED stays lit after power -up, do the following: • Verify that the osc illator is firmly ins erted into its slot. Th e oscillator is loca ted in the center of th e system motherboard, b etween the connect ors for memory slot 5. T he writing on the oscill ator should be oriented ...

  • Texas Memory Systems RAM-SAN 520 - page 25

    Chapter 7 – S pecifications This chapter contains system specificatio ns for the RAM-S AN. 7.1 Physical Characteristics Rack Mount Size: 7U (12.2”) x 25” deep Weight: 90 lbs. Voltage: 110/220 VAC Ventilation: Side to side airflow 7.2 Operating Environment Temperature: 32-85 ° F (0-30 ° C) Max relati ve hum idity: 80% (non-conde nsing) Max h ...

  • Texas Memory Systems RAM-SAN 520 - page 26

    RAM-SAN User’s Guide Texas Memory System s, Inc. (February 7, 2003) i ...

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