Re: Dupal Opteron on Sarge
Hi Joe,
Thanks for the additional info, that was something I didnt know (I should
have guessed that).
Best regards
Nils Valentin
Tokyo / Japan
http://www.be-known-online.com
> valentin_nils@be-known-online.com wrote:
>
>>Forgot to add one thing.
>>
>>As for the Power Supplies (PS). I tried everything from 400W to 550W and
>>came to the conclusion that mostly 400W is fully acceptable for most
>>machines (1-4 disks). I know that the shop assistants often recommend
>>stronger Power supplies (after all thats their business ;-).
>>
>>Bear in mind that the heat has to go somewhere ;-)
>>
>>Best regards
>>
>>Nils Valentin
>>Tokyo / Japan
>>http://www.be-known-online.com
>>
>>
>>
>>>O.K I guess I have to take the risk that Lord Sauron will flame me for
>>>what I say next ;-)
>>>
>>>I would rather recommend you a 2xCPU MB instead of a single CPU MB
>>>You will easily find many 2xCPU MB out there and you may want to
>>> consider
>>>the following:
>>>
>>>- most have only 32 bit PCI slots, look for 64 bit PCI slots and the max
>>>bus speed (133mhz)
>>>- server boards come (optional) with onboard scsi cards
>>>- you may still find additionally 4xSATA & IDE on the same MB
>>>- (optional) SCSI raid card
>>>- (optional) server admin card
>>>
>>>If you take this all into conclusion you will probably opt for the
>>>S2882UG3NR or a similar board from another maker
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16813151151 *no scsi
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16813151152 * with
>>> scsi
>>>http://www.newegg.com/Product/Showimage.asp?Mode=&Type=&Image=13-151-152-01.jpg%2C13-151-152-02.jpg%2C13-151-152-03.jpg%2C13-151-152-04.jpg%2C13-151-152-05.jpg&CurImage=13-151-152-02.jpg&Description=TYAN+S2882UG3NR-D+Dual+Socket+940+AMD+8131+Extended+ATX+Server+Motherboard+-+Retail
>>>
>>>Note the scsi raid card socket (option), white and in the middle left)
>>>
>>>Having the 64 bit pci bus also allows you to navigate real HEAVY loads
>>>between scsi discs and the CPU & Memory.
>>>
>>>Regarding CPU I would probably choose the 246 or 248 ($240-310) which
>>> are
>>>slightly cheaper than the 252 and, lets face it, the CPU speed alone
>>> wont
>>>really change so much on the systems performance.
>>>
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16819103412
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16819103433
>>>
>>>Another concern is the heat those CPU beasts produce (90W each). You may
>>>want to find a cooler solution which doesnt grill you or the CPU and
>>> also
>>>doesnt make you death. (I am sitting next to such a beast right now ;-)
>>>
>>>Most cooling systems go up to the 246 or 248. Finding one for the 252
>>>might be difficult. I had a hard time finding a cooler which would do
>>> his
>>>job for the 248 while still allowing me to hear my own voice ;-).
>>>
>>>I would invest the saved money (compared to the 252) into Memory or SCSI
>>>and use the SATA for a backup solution. I prefer SCSI, as for me it has
>>>shown to be reliable in the long run and still outperforms most SATA/IDE
>>>setups.
>>>
>>>Note that 2xCPU systems are not twice as fast as single CPU systems. The
>>>SMP setup does have a bit of a overhead on your OS, so expect something
>>>like 0,8x the speed of a single CPU system.
>>>
>>>What the 2xCPU system gives you however, is the ability to handle heavy
>>>load. It can handle obviously more requests than a single CPU system. It
>>>will also take advantage of the hyperthreading bus *communication bus
>>>between the CPUs.
>>>This means that CPU1 can *borrow Memory from CPU2 if it is required for
>>> an
>>>application.
>>>
>>>For the case I would choose the CM Stacker. It does Unfortunately not
>>>offer the redundant PS, but you can put 2x PS from the maker of your
>>>choice. It wont be hot swabable, you will have to switch the plugs
>>>yourself.
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16811119042
>>>
>>>The design is also quite appealing I believe. If you do opt for the CM
>>>Stacker make sure to get the Optional Cross floor fan.
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16800887011
>>>It will make sure to get the heat out of the case, and that silently.
>>>
>>>If you prefer to show off the case, there is also a sie window available
>>>http://www.newegg.com/Product/Product.asp?Item=N82E16811999760
>>>
>>>I hope that I could make some valid points to make your decision easier
>>>for your next system.
>>>
>>>The system above is more expensive than "Lord Saurons" setup but it adds
>>> a
>>>lot of options and is really a sound system (not to say a beast ;-)
>>>
>>>I usually buy the parts not all in one go, but as required.
>>>
>>>Newegg as suggested by "Lord Sauron" does give a good service and I can
>>>back him up with that.
>>>
>>>I currently have 2 Opteron systems online which should be accessable for
>>>the public.
>>>
>>>1) 203.143.127.108
>>>2) 203.143.127.98 (testing)
>>>3) 203.143.127.99 (from October)
>>>
>>>Do you have the possibility to take an opteron system for a testride ?
>>>(You might find that some shops might let you try a system)
>>>
>>>Best regards
>>>
>>>Nils Valentin
>>>Tokyo / Japan
>>>http://www.be-known-online.com
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
> On the topic of power supplies, buy a decent supply from a good brand -
> far more important than sheer "wattage". Companies like Q-tec lie about
> their wattages anyway, and their 650W supplies can barely push 300
>
>
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