|
turtle83
|
 |
June 15, 2013, 03:28:39 PM |
|
~800 W That appears to be 3U half rack unit. or is it 4U? I think needs some space for 1) Controler - raspberry pi 2) USB hub(s) 3) PSU So, stick in 2 of them in single 3U (full length) case, remove about 2 or 4 K16, stuck in PSU, hubs, rpi. Add in external power/network ports. Then find datacenter that'll take 1.5 KW in 3 RU... then profit. |
|
|
|
|
|
|
|
|
Whoever mines the block which ends up containing your transaction will get its fee.
|
|
|
Advertised sites are not endorsed by the Bitcoin Forum. They may be unsafe, untrustworthy, or illegal in your jurisdiction.
|
|
jimrome
|
|
June 15, 2013, 03:35:05 PM |
|
~800 W That appears to be 3U half rack unit. or is it 4U? I think needs some space for 1) Controler - raspberry pi 2) USB hub(s) 3) PSU So, stick in 2 of them in single 3U (full length) case, remove about 2 or 4 K16, stuck in PSU, hubs, rpi. Add in external power/network ports. Then find datacenter that'll take 1.5 KW in 3 RU... then profit. It's a 3U case. It'll have the PSU and controller (an Ubuntu box) separately as I won't be using hosted rackspace. Otherwise, yeah you could sacrifice some K16 space for the things you mentioned to create a self-contained unit. |
|
|
|
|
acidu
Member
 Offline
Activity: 92
Merit: 10
|
|
June 15, 2013, 08:34:10 PM |
|
I think we should post designes of cases, but builded with materials that many of us allready have them.. or they are easy to find and to buy... not fancy CNC drilled cases made in a fancy 3D software
|
|
|
|
|
|
turtle83
|
|
June 15, 2013, 08:36:29 PM |
|
I think we should post designes of cases, but builded with materials that many of us allready have them.. or they are easy to find and to buy... not fancy CNC drilled cases made in a fancy 3D software
I think we should post designs that we are building for ourselves in hopes that it may help anyone else irrespective of that they use to design it or what materials it uses. |
|
|
|
|
jimrome
|
|
June 15, 2013, 08:54:39 PM |
|
I think we should post designes of cases, but builded with materials that many of us allready have them.. or they are easy to find and to buy... not fancy CNC drilled cases made in a fancy 3D software
I think you can think whatever you want - regardless if you know what you're talking about or not. The case I posted is readily available for internet order and would only require knocking a few holes in metal plate for fan cutouts - which could be done with a jigsaw in a pinch. I thought it might be useful for others considering similar designs, sorry you don't find it useful. |
|
|
|
|
acidu
Member
Offline
Activity: 92
Merit: 10
|
|
June 15, 2013, 08:58:11 PM |
|
yes indeed the design is verry OK... but my point was a little bit of something different  |
|
|
|
|
|
turtle83
|
|
June 15, 2013, 09:10:46 PM |
|
~800 W That appears to be 3U half rack unit. or is it 4U? I think needs some space for 1) Controler - raspberry pi 2) USB hub(s) 3) PSU So, stick in 2 of them in single 3U (full length) case, remove about 2 or 4 K16, stuck in PSU, hubs, rpi. Add in external power/network ports. Then find datacenter that'll take 1.5 KW in 3 RU... then profit. It's a 3U case. It'll have the PSU and controller (an Ubuntu box) separately as I won't be using hosted rackspace. Otherwise, yeah you could sacrifice some K16 space for the things you mentioned to create a self-contained unit. I think one challenge in your deployment will be mounting. You would probably need a lot of hex spacers of exact specific lengths, and then drill holes in in the case and mount off that asif its 3 pillars. OR mount them off the big side (which in the pic is not shown), but its going to be tricky IMHO. Whats your plan regarding mounting? |
|
|
|
acidu
Member
Offline
Activity: 92
Merit: 10
|
|
June 15, 2013, 09:20:02 PM |
|
I can't remember how many W each K16 uses. How many K16s would 100W limit you to?
32W per K16 estimated 3x32W=96W 4x32W=128W not too much eh.. 4 kva for 42U $2500 / month 125 x K16 = 4 kva 125 x K16 = ~3 K16 per 1U (most likely there are some unusable slots, use for switches, spacing, etc) https://www.stackpop.com/configure/colocation/united_states/virginia/ashburn/1723724 kva 59U for $1000 per month (or $2000 unsure if power is included or extra) 750 x k16 = 24kva 750 x k16 = 12.7 k16 per 1U or ~51 per 4U (most likely there are some unusable slots, use for switches, spacing, etc) But these can only be used once stability of these devices is proven, to not need much babysitting by hand. Cramming higher density into 1U is only viable if you are hosting the rack on your own premises and can arrange adequate cooling.. But then why would one use 1U and not bigger cases where u can have better airflow using more efficient bigger fans. [/quote] come and host them in ROMANIA-EU you will pay 125x16K=4kva= 503$ / month |
|
|
|
|
|
KS
|
|
June 15, 2013, 09:26:17 PM |
|
what's the DC in Romania?
|
|
|
|
|
|
turtle83
|
|
June 15, 2013, 09:27:57 PM |
|
I can't remember how many W each K16 uses. How many K16s would 100W limit you to?
32W per K16 estimated 3x32W=96W 4x32W=128W not too much eh.. 4 kva for 42U $2500 / month 125 x K16 = 4 kva 125 x K16 = ~3 K16 per 1U (most likely there are some unusable slots, use for switches, spacing, etc) https://www.stackpop.com/configure/colocation/united_states/virginia/ashburn/1723724 kva 59U for $1000 per month (or $2000 unsure if power is included or extra) 750 x k16 = 24kva 750 x k16 = 12.7 k16 per 1U or ~51 per 4U (most likely there are some unusable slots, use for switches, spacing, etc) But these can only be used once stability of these devices is proven, to not need much babysitting by hand. Cramming higher density into 1U is only viable if you are hosting the rack on your own premises and can arrange adequate cooling.. But then why would one use 1U and not bigger cases where u can have better airflow using more efficient bigger fans. come and host them in ROMANIA-EU you will pay 125x16K=4kva= 503$ / month i presume you just calculated electricity cost only... not factoring in cooling or rackspace or other facility charges. |
|
|
|
|
jimrome
|
|
June 15, 2013, 09:30:40 PM |
|
~800 W That appears to be 3U half rack unit. or is it 4U? I think needs some space for 1) Controler - raspberry pi 2) USB hub(s) 3) PSU So, stick in 2 of them in single 3U (full length) case, remove about 2 or 4 K16, stuck in PSU, hubs, rpi. Add in external power/network ports. Then find datacenter that'll take 1.5 KW in 3 RU... then profit. It's a 3U case. It'll have the PSU and controller (an Ubuntu box) separately as I won't be using hosted rackspace. Otherwise, yeah you could sacrifice some K16 space for the things you mentioned to create a self-contained unit. I think one challenge in your deployment will be mounting. You would probably need a lot of hex spacers of exact specific lengths, and then drill holes in in the case and mount off that asif its 3 pillars. OR mount them off the big side (which in the pic is not shown), but its going to be tricky IMHO. Whats your plan regarding mounting? Sheet metal frames to lock in columns of three K16s, as well as to channel airflow - essentially creating a "blade" design. Frames will likely be screwed into top/bottom plates. I'll post pictures once I'm finished the CAD work. |
|
|
|
|
acidu
Member
Offline
Activity: 92
Merit: 10
|
|
June 15, 2013, 09:36:29 PM |
|
I can't remember how many W each K16 uses. How many K16s would 100W limit you to?
32W per K16 estimated 3x32W=96W 4x32W=128W not too much eh.. 4 kva for 42U $2500 / month 125 x K16 = 4 kva 125 x K16 = ~3 K16 per 1U (most likely there are some unusable slots, use for switches, spacing, etc) https://www.stackpop.com/configure/colocation/united_states/virginia/ashburn/1723724 kva 59U for $1000 per month (or $2000 unsure if power is included or extra) 750 x k16 = 24kva 750 x k16 = 12.7 k16 per 1U or ~51 per 4U (most likely there are some unusable slots, use for switches, spacing, etc) But these can only be used once stability of these devices is proven, to not need much babysitting by hand. Cramming higher density into 1U is only viable if you are hosting the rack on your own premises and can arrange adequate cooling.. But then why would one use 1U and not bigger cases where u can have better airflow using more efficient bigger fans. come and host them in ROMANIA-EU you will pay 125x16K=4kva= 503$ / month i presume you just calculated electricity cost only... not factoring in cooling or rackspace or other facility charges. 503$ only electricity 4kva but in near future I will have a temperature control cooled room and I will open a hosting service... ofcourse not for 503$/month...but it will be an verry atractive price considering that I will provide UPS, chilled room, internet backup, and allmost 24/7 man if something needs to be done!, remote control of your device! |
|
|
|
|
|
turtle83
|
|
June 15, 2013, 09:52:55 PM |
|
I can't remember how many W each K16 uses. How many K16s would 100W limit you to?
32W per K16 estimated 3x32W=96W 4x32W=128W not too much eh.. 4 kva for 42U $2500 / month 125 x K16 = 4 kva 125 x K16 = ~3 K16 per 1U (most likely there are some unusable slots, use for switches, spacing, etc) https://www.stackpop.com/configure/colocation/united_states/virginia/ashburn/1723724 kva 59U for $1000 per month (or $2000 unsure if power is included or extra) 750 x k16 = 24kva 750 x k16 = 12.7 k16 per 1U or ~51 per 4U (most likely there are some unusable slots, use for switches, spacing, etc) But these can only be used once stability of these devices is proven, to not need much babysitting by hand. Cramming higher density into 1U is only viable if you are hosting the rack on your own premises and can arrange adequate cooling.. But then why would one use 1U and not bigger cases where u can have better airflow using more efficient bigger fans. come and host them in ROMANIA-EU you will pay 125x16K=4kva= 503$ / month i presume you just calculated electricity cost only... not factoring in cooling or rackspace or other facility charges. 503$ only electricity 4kva but in near future I will have a temperature control cooled room and I will open a hosting service... ofcourse not for 503$/month...but it will be an verry atractive price considering that I will provide UPS, chilled room, internet backup, and allmost 24/7 man if something needs to be done!, remote control of your device! The links I posted are about proper data centers, one in our own cities which we trust (they handle much more expensive equipment). one which we can visit. One that has high gurantees and SLAs... And offers good physical security. Personally I would host the mining equipment in a different city than one im based in... |
|
|
|
chaoztc
Newbie
Offline
Activity: 24
Merit: 0
|
|
June 16, 2013, 03:03:46 AM |
|
|
|
|
|
|
|
turtle83
|
|
June 16, 2013, 03:09:49 AM |
|
You could use join 4 of the first one to make a cube |
|
|
|
chaoztc
Newbie
Offline
Activity: 24
Merit: 0
|
|
June 17, 2013, 12:00:39 AM |
|
math price at rs-components is 30,56eur for 1 with 12V fan. not really "cheap" but I will give them a try when everything is ready. |
|
|
|
|
|
jimrome
|
|
June 17, 2013, 02:54:11 AM |
|
Sheet metal frames to lock in columns of three K16s, as well as to channel airflow - essentially creating a "blade" design. Frames will likely be screwed into top/bottom plates. I'll post pictures once I'm finished the CAD work.
 Assembled "Blade" consists of three K16s and an aluminum frame. The frame has two features to secure it to the chassis: a tab on the bottom and a flange with a hole for a screw.  Blade tab fits into the slot in the chassis board and a machine screw is used to secure it down. This method is quick & dirty, but not very robust - that flange isn't going to keep things rattling around if the enclosure gets bounced around. For my purposes it's fine as I don't plan on transporting the finished enclosure anywhere. |
|
|
|
|
|
BenTuras
|
|
June 17, 2013, 07:18:11 AM |
|
I am surprised to see so many push pull fan setups in a closed case. If the pull fan sucks out more air than the push fan pushes in, the air pressure will be low in the case and there will be less air molecules to pickup and transport the heat.
I expect a push only fan setup to be much better, there will be lots of air molecules to pick up the heat and the air has no way to go except out.
Maybe even forcing a high pressure in the case by limiting the outgoing openings of the case. For example a 12cm fan blowing towards a 8x8 cm opening with smooth transition. I would like to use 12cm, so the board is 1cm away from the housing, creating some airflow over the remaining electronics on top of the board too.
|
|
|
|
|
gyverlb
|
|
June 17, 2013, 11:46:42 AM |
|
I am surprised to see so many push pull fan setups in a closed case. If the pull fan sucks out more air than the push fan pushes in, the air pressure will be low in the case and there will be less air molecules to pickup and transport the heat.
I expect a push only fan setup to be much better, there will be lots of air molecules to pick up the heat and the air has no way to go except out.
Maybe even forcing a high pressure in the case by limiting the outgoing openings of the case. For example a 12cm fan blowing towards a 8x8 cm opening with smooth transition. I would like to use 12cm, so the board is 1cm away from the housing, creating some airflow over the remaining electronics on top of the board too.
push-pull is good if you can't get enough airflow to keep the air cool enough across the case so that the components farthest from the push fans can still be cooled adequately. |
|
|
|
|
turtle83
|
|
June 17, 2013, 12:08:39 PM |
|
I am surprised to see so many push pull fan setups in a closed case. If the pull fan sucks out more air than the push fan pushes in, the air pressure will be low in the case and there will be less air molecules to pickup and transport the heat.
I expect a push only fan setup to be much better, there will be lots of air molecules to pick up the heat and the air has no way to go except out.
Maybe even forcing a high pressure in the case by limiting the outgoing openings of the case. For example a 12cm fan blowing towards a 8x8 cm opening with smooth transition. I would like to use 12cm, so the board is 1cm away from the housing, creating some airflow over the remaining electronics on top of the board too.
push-pull is good if you can't get enough airflow to keep the air cool enough across the case so that the components farthest from the push fans can still be cooled adequately. The push-only makes sense... Thats how most rack cases are designed also... How about push from both ends, and vent from top? would that cause bad circulation for lower boards? Imagine if there is an ATX PSU on the top back (like in a regular PC case), Thru the psu is the only way for air to get out... All other fans potentially RPM controlled based on temp.... Even for push-pull config, one of the pull fans could be removed... to provide space for cables, etc... |
|
|
|
|
