Memory (specifically server)

BeoTeK

BeoTeK

New member
This is what I found in our Dell Power Edge R710.

They currently have 6x 2GB modules.

Basically put. This is standard desktop ram. I am wanting to load 64GB each, into these beasts. Would you recommend staying with this desktop RAM or move to ECC (given the price difference)?
 
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Well ECC is basically meant to lessen the amount of theoretical data corruption that can occur in servers.

If it has been performing with little to no crashes or problems then I guess non-ECC is probably the way to go, unless the price difference is almost non existent.
 
Glordit said:
Well ECC is basically meant to lessen the amount of theoretical data corruption that can occur in servers.

If it has been performing with little to no crashes or problems then I guess non-ECC is probably the way to go, unless the price difference is almost non existent.
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Nee doesn't work like that - there is no way you can look at real life crashes to determine whether you need ECC. ECC is specifically aimed at events that are low probability & 99/100 times get absorbed without anyone even noticing.

It depends on the type of work the server does. ECC memory is the right choice where a single flipped bit would be disastrous even if its a one in a billion event. Take a bank server - there you can't have a single flipped bit...someone might end up a million bucks richer (or poorer) if it hits a critical bit. [Obviously there are other checks in place too - just explaining the mindset here]. If you're just doing something like serving webpages then flipped bits are a lot more acceptable - maybe someones website looks a little screwed every millionth render...who cares?

So ultimately its something you must eyeball yourself. Its kinda like "How expensive of a backup solution do I need?" is dependent on the nature & value of the data. Hope that makes sense.

Still...ECC will likely keep it resell value marginally better.
 
Well these machines came directly from IS datacenter... I was shocked to open it and find two banks of 3x 2GB desktop memory. You'd think IS would have decent stuff in their servers?
 
PsychoFish said:
No need for "decent" stuff on a server really, what you do need is stable and reliable stuff.
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True. That being said, I'm looking at upping their memory of each server. Any specific recommendations?

Considering getting 8x 8GB modules (48 in total), shall I look more at something along the lines of Corsair/Crucial/Kingston etc ?
 
Beo - I just spoke to Nimatek:

se vir beotek, Dell servers het nie meer ECC ram nodig nie
maar as hy meer info daarop wil he moet hy dalk dell support bel en my die techs praat. hulle sal verduidelik which is best vir watter use
maar oor die algemeen, nee nie nodig nie
hy moet net seker maak hy kry memory quotes van dell suppliers af
en vir hulle sy service tag gee sodat hulle hom die regte memory spoed gee!
BAIE NB!
 
Beo, Wyveren is 100% correct, you only really need ECC RAM for some very specific use cases. One big very specific use case is for SAP HANA and Oracle's in-memory database. Apart from that there is no real need for it. If it is a Dell server, please contact Dell and ensure that you tell them exactly what you want your total usable RAM to be and they will give you the best suggestion. Essentially, and this is just from personal experience with server configurations is to have at least one RAM module per physical CPU. If this is a VM hypervisor things get a little more complicated if you take NUMA and vNUMA into account.

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PS - Dell branded memory in many cases tend to be Kingston
 
Here is 2400mhz RAM at a cheaper price. Do note that this is 1.65V RAM instead of 1.5 (standard). I think it should be OK but in truth I don't know (zero experience with 1.65). That being said...I've got a decent amount of faith in this retailer though...and my gut feeling tells me those numbers can work.

http://www.wootware.co.za/g-skill-f...z-1-65v-cl10-dual-channel-desktop-memory.html

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BeoTeK said:
Well in that case, how about this as a viable solution;
http://raru.co.za/electronics/17358...t3-memory-32gb-1600mhz-ddr3-cl9-dimm-kit-of-4
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That looks good too - I have never heard of that supplier though. Be sure to check that the supplier is legit first. Post a topic asking for experiences and you'll know soon enough whether the community trusts them or not.
 
HavocXphere said:
Here is 2400mhz RAM at a cheaper price. Do note that this is 1.65V RAM instead of 1.5 (standard). I think it should be OK but in truth I don't know (zero experience with 1.65). That being said...I've got a decent amount of faith in this retailer though...and my gut feeling tells me those numbers can work.

http://www.wootware.co.za/g-skill-f...z-1-65v-cl10-dual-channel-desktop-memory.html

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That looks good too - I have never heard of that supplier though. Be sure to check that the supplier is legit first. Post a topic asking for experiences and you'll know soon enough whether the community trusts them or not.
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Yeah, I've bought from Raru before and I'm sure other MyG peeps have as well. They're reputable.

The memory voltage shouldn't be an issue though, surely if the board didn't support the 1.65V RAM it would just supply 1.5V respectively?
 
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