Instruction/ maintenance manual of the product RAM-SAN 520 Texas Memory Systems
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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.
Table of Contents Chapter 1 - O verview ........................................................................................................... ..................................................1-1 Chapter 2 - In stalla tion ......................
6.9 How to C ontact Us .......................................................................................................... ...............................................6-8 Chapter 7 – S pecifications.........................................
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 .
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.
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.
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).
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.
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.
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.
RAM-SAN User’s Guide Texas Memory Sy stems, Inc. (Fe bruary 7, 2003 ) 3-1.
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 .
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
RAM-SAN User’s Guide Texas Memory System s, Inc. (February 7, 2003) i.
An important point after buying a device Texas Memory Systems RAM-SAN 520 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Texas Memory Systems RAM-SAN 520 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Texas Memory Systems RAM-SAN 520 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Memory Systems RAM-SAN 520 you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Memory Systems RAM-SAN 520 will certainly help you make a decision on the purchase.
If you already are a holder of Texas Memory Systems RAM-SAN 520, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Memory Systems RAM-SAN 520.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Memory Systems RAM-SAN 520. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Memory Systems RAM-SAN 520 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
