servermonkey. com has good chassis pricing, just don't buy ram or drives from them, newegg those
On December 9, 2014 11:33:46 AM AKST, Eric Kuhnke via Af <[email protected]> wrote: >If you really want redundancy for the lowest cost, and electrical >consumption/heat is not a problem, buy a used HP or IBM 1U server off >eBay >with no drives. Add your own serial ata ssd raid-1 pair. > >Can't beat $450 for a system with ECC ram and dual hotswap power >supplies. >It won't be the fastest and latest CPU but it'll be more fault >tolerant. >On Dec 9, 2014 10:46 AM, "Ken Hohhof via Af" <[email protected]> wrote: > >> Passmark is not everything. >> >> Most gamers for example care only about processor speed not cores or >> threads. Throwing dual socket 18 core Xeons at a game would >accomplish >> nothing. >> >> On the other hand, something like BIND by default creates as many >listener >> and worker threads as the processor can handle, and I suspect being >able to >> handle many tasks in parallel in separate threads is important. So >the >> 4-core 8-thread ATOM might perform better against the 2-core 4-thread >i3 >> than Passmark would indicate. For a Windows server, the i3 would >probably >> leave the ATOM in the dust. >> >> I think another question is whether you want a compact case with an >> external power supply, or a rackmount case with an internal power >supply, >> depends on where it is going. Another consideration is common spare >parts >> like fans and power supplies, since those are what typically fails. >> However a 200W power supply probably nullifies some of the low power >> consumption, although for me the main thing about low power >consumption is >> passive cooling and reliability. >> >> Also do you care about features like ECC memory (probably hard to >argue >> for unless you worry about solar flares) and IPMI (maybe more >justifiable). >> >> >> -----Original Message----- From: Paul Conlin via Af >> Sent: Tuesday, December 09, 2014 11:47 AM >> To: [email protected] >> Subject: Re: [AFMUG] Atom D525 vs C2750 >> >> Yes, but Eric's i3 suggestion, in a Newegg combo kit is $222 >> (http://www.newegg.com/Product/ComboBundleDetails. >> aspx?ItemList=Combo.171263 >> 2) as an example. Add a $100 case and it is just a little more than >half >> the price of this SM C2750. It doubles the TDP but for a CPU that >scores >> 3.5 times better than the ATOM on the PassMark CPU score. This >example is >> micro ATX but mini ITX boards are available. You have to really want >low >> power to pay so much more for the ATOM. This might explain why the >ATOM >> server market is so relaxed. >> >> PC >> Blaze Broadband >> >> >> -----Original Message----- >>> From: Af [mailto:[email protected]] On Behalf Of Ken Hohhof via >Af >>> Sent: Tuesday, December 9, 2014 11:36 AM >>> To: [email protected] >>> Subject: Re: [AFMUG] Atom D525 vs C2750 >>> >>> I've been pretty happy with the D510/D525 even with the limited >speed, >>> >> cores, >> >>> memory addressing and onboard cache. I like the low power >consumption and >>> >> passive >> >>> heatsinks. >>> >>> What I'm looking at is Supermicro 5018A-TN4: >>> >>> http://gopcn.com/i-16556899-supermicro-1u-atom-5018a-tn4.html >>> >>> Not all that cheap, but it's a genuine server with ECC memory, IPMI, >short >>> >> depth >> >>> rackmount, and with the 2.5" HDD bracket can easily hold two SSD's >for a >>> >> software >> >>> RAID1 configuration. Set the fan at lowest speed and even if it >fails it >>> >> should not >> >>> really be needed unless you have it in a hostile environment. >Probably >>> >> fine with 4MB >> >>> RAM and 128GB storage, maybe more storage for RADIUS or CACTI. >>> >>> BIND does a good job of multithreading and will use however many >cores you >>> >> give it, >> >>> not sure about RADIUS and CACTI. D525 has 2 cores and 4 threads, >>> C2750 has 8 cores and 8 threads plus a somewhat higher clock speed, >so I'm >>> >> figuring 2- >> >>> 3 times the performance? It's definitely more money though. >>> >>> >>> -----Original Message----- >>> From: Paul Conlin via Af >>> Sent: Tuesday, December 09, 2014 9:58 AM >>> To: [email protected] >>> Subject: Re: [AFMUG] Atom D525 vs C2750 >>> >>> We have been planning on standing up a couple of light duty Linux >servers >>> >> to upgrade >> >>> our DNS and RADIUS and maybe even a CACTI upgrade later. Are these >newer >>> ATOM platforms and a couple of small SSD's up to these tasks? How >does >>> >> the D525 >> >>> do? >>> >>> It appears the C2750 has been out for nearly a year but I'm are not >>> >> finding too many >> >>> products using them. Intel's chart makes it look like the C2550 (4 >cores >>> >> vs 8 cores) >> >>> might be a more cost effective replacement to the D525. >>> But there are even fewer C2550 motherboards out there and they are >not >>> >> significantly >> >>> cheaper than the C2750 or even the D525. Are we just not looking in >the >>> >> right places >> >>> or is this low-cost low-TDP server market just really small? >>> >>> PC >>> Blaze Broadband >>> >>> >>> > -----Original Message----- >>> > From: Af [mailto:[email protected]] On Behalf Of Ken Hohhof via >Af >>> > Sent: Saturday, December 6, 2014 2:57 PM >>> > To: [email protected] >>> > Subject: [AFMUG] Atom D525 vs C2750 >>> > >>> > I have several small Linux servers using Atom D525 processors for >>> > tasks >>> like DNS and >>> > RADIUS, I even have one running Win7 that I use for PRTG and CNUT >and >>> > RDP sessions. Put a couple 128 GB SSDs in them and with passive >>> > cooling and >>> low TDP >>> > you have an almost indestructible little server. >>> > >>> > Going forward, I'm wondering if I should look at the newer C2750 >>> > version, >>> it would >>> > seem to support more memory and storage, 4x as many cores, 2x as >many >>> threads, >>> > higher clock speed, more cache, supports ECC memory, but at a >higher >>> > price >>> and TDP, >>> > and the Ethernet NICs might not be as good as the 82574L chips on >the >>> motherboards >>> > I have been using. Also at that price point you could question >the >>> > value >>> compared to >>> > just using an i3 or E3 processor. And even if the D525 is an old >>> > design >>> with limited >>> > cores, cache and memory addressing, it does the job, so the only >>> > reason to >>> use the >>> > newer chips may be for future proofing. >>> > >>> > So has anyone done the analysis or actually deployed C2750 based >>> >> servers? >> >>> >>> >> >> >> -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
