Power Requirements
Feb 16, 2008
How much does a typical quad core Xeon eat, say an E5410 or a E7320? a 2GB RAM stick? A 500-750GB SATA disk? How much is the system overhead for a 1U unit? I tried to find data on this without too much success. For example Intel says the same number (80W) for an 1.6GHz CPU and a 2.4GHz one -- that does not sound too reliable to me.
If this is too abstract, then I would like to ask aobut the real world power consumption of two boxes. 1 E5410, 8GB of RAM, 2 SATA disk maybe 10K RPM. The other will have two E7320, 24-32GB of RAM and 3 10-15K disk.
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May 4, 2007
how to figure out how much power one would need?
My potential colo provider is saying that a 5A circuit comes standard with a 1/4 cabinet and that they charge $20 per amp over that. I will have (6) Dell 1650's with dual 650W PSU's. Any idea how to calculate how much actual power I will need for this configuration?
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Jul 27, 2009
do dual power supplies use more power than a single supply?
E.g. Say I have a server than uses two amps, powered by a single power supply. Now if I switch to a dual supply (and say each supply has the same efficiency rating as the single), does my server use more power? How much more?
My simple view of this is that it probably does, but maybe not much. The second power supply consumes some power itself, but since its not under load, it doesn't consume much. Therefore, my server with redundant supplies might use 2.1A or 2.2A.
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Dec 2, 2007
I'm currently looking for co-location in the US (preferably West coast) for a 2RU server with a 100mbit port with around 500gb-1TB of bandwidth, with the option to upgrade bandwidth as necessary.
I have two requirements though - first, I need a provider who can do the initial server setup for me. I want to provide them with a blank, empty server and I want them to install the operating system (no control panel), install the relevant software (Apache, MySQL, PHP, Exim) and do an initial server hardening. Obviously expect to pay a higher setup cost for this
Second, I need a provider that does two things - they need to offer dedicated servers as well as co-lo (as I will need a handful of dedicated servers at some point in the future for 2-3 months only), and I need them to be able to place these servers on to a private switch/VLAN so that all bandwidth can be pooled between the servers and used as necessary, rather than having individual port limits. I would probably be looking at needing a 1gbit port in total for these servers (or 100mbit ports to each server). And I need someone that can sustain a data transfer of a few hundred mbits from these servers in terms of their infrastructure and connectivity
So does anyone know of any providers that can offer this? Preferably someone who doesn't charge an arm and a leg (but at the same time, not necessarily dirt cheap) for bandwidth, as I will obviously be using a fair bit
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Sep 4, 2008
we have a site with a lot of traffic around 100.000 visitors and 250.000 pageviews daily, each page is just 30k to 60k , we use mssql server and hit our database with a very simple query ( "select, where, order by" type ), is a small table just 9000 records. What windows vps would you guys recommend me for this kind of traffic? What amount of RAM memory? mssql on the same server or shared? would mssql server 2005 express do the job?
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Sep 26, 2007
with a single server running PHP and MySQL.
What sort of hosting requirements do you think I would need for...
A site with a mysql db with 100,000+ records in a single table and executing simple select statements on the table with 100,000+ records at a rate of 50 queries per second? (All other things should be negligible at this scale).
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May 14, 2007
My question is not purely theoretical. My partners and I are starting a new web hosting company and would like to hear your opinion before we do something completely wrong. Our understanding of the market tells that there are 2 major components of that business: reliability and cost, so we decided to keep cost at the average rate but to bring reliability as high as possible. So our points were as following:
1. Reliable server hardware: IBM/HP/Dell servers only, using redundant hard drives in RAID1, redundant power supplies.
2. Reliable and fast server support: Server vendor provided 7x24 onsite support with 4 hour response
3. Reliable network: Connection to at least 4 major internet providers
4. Reliable power: Dual UPS provide 2 redundant power lines to each server
5. Powerful servers: Dual CPU 4-Core Xeons; up to 32 GB RAM; 750 GB SATA II disks
6. Remote diagnostics and support: Servers equipped with Remote Management interface to diagnose problems and create server support ticket with the server vendor automatically.
7. Reliable datacenter: Toronto Front 151 datacenter provides physical security, fire prevention, network connections, power generators
We will provide VPS hosting and considering SUSE/Virtuozzo as our main virtualization platform. We have not decided yet either to purchase its support through Novell (SUSE distributor) or SWsoft (Virtuozzo vendor).
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Nov 18, 2007
I'm looking to put 4-6 CoD4 servers on a dedicated server.
What specs would be good for a box for that many servers?
How would a E6600 2.4GHz with 2gb memory do?
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Jun 4, 2007
I need some help finding a reliable windows host. I haven't hosted on windows in a long time, and I don't know how to choose. These are the specs:
Requirements:
* Windows hosting
* PHP GD library (installed on most hostings)
* Permissions to execute third-party applications (i.e. exe files)
* Permissions to execute Internet Explorer
I've used Jodohost before and they were ok. Also was considering weberz.com, but I don't if either will meet these requirements. Any ideas?
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Mar 25, 2009
I'm in the (very) early stages of developing a MySpace application and I'm looking for advice on hosting package needs. I've got an extensive software development background, but nothing at all web related, so I really don't know where to begin, and I don't want to shoot myself in the foot from the get-go.
I assume a simple shared hosting package would suffice for development, but I don't know how long or far it would scale, what the upgrade path would be, or what difficulties I'd encounter, so I'm here with this question.
I'd appreciate any suggestions whatsoever on what's key for this kind of application: package type, minimum data transfer, connections, cpu time, OS, database, language support, etc.. That includes any experiences anyone might have had, the host they've used and liked or disliked, or what they offer themselves (if that's allowed on the forum) and so on. Anything at all.
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Feb 20, 2008
I have a cople of dedicated servers. Both run the same software, phpBB forums. However, with the top command I see one of them need as much as triple memory for every apache process than the other. Here are the details:
Server 1
Hardaware: Dual Opteron 2212 + 4 GB RAM + 2 SAS 146 GB drives. CentOS5 x64
uname -a
Linux s1.tp.netmanaged.net 2.6.18-53.1.13.el5 #1 SMP Tue Feb 12 13:02:30 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
ps auxf
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 10316 684 ? Ss Feb14 0:03 init [3]
root 2 0.0 0.0 0 0 ? S Feb14 0:11 [migration/0]
root 3 0.0 0.0 0 0 ? SN Feb14 0:01 [ksoftirqd/0]
root 4 0.0 0.0 0 0 ? S Feb14 0:00 [watchdog/0]
root 5 0.0 0.0 0 0 ? S Feb14 0:25 [migration/1]
root 6 0.0 0.0 0 0 ? SN Feb14 0:02 [ksoftirqd/1]
root 7 0.0 0.0 0 0 ? S Feb14 0:00 [watchdog/1]
root 8 0.0 0.0 0 0 ? S Feb14 0:00 [migration/2]
root 9 0.0 0.0 0 0 ? SN Feb14 0:00 [ksoftirqd/2]
root 10 0.0 0.0 0 0 ? S Feb14 0:00 [watchdog/2]
root 11 0.0 0.0 0 0 ? S Feb14 0:00 [migration/3]
root 12 0.0 0.0 0 0 ? SN Feb14 0:00 [ksoftirqd/3]
root 13 0.0 0.0 0 0 ? S Feb14 0:00 [watchdog/3]
root 14 0.0 0.0 0 0 ? S< Feb14 0:00 [events/0]
root 15 0.0 0.0 0 0 ? S< Feb14 0:00 [events/1]
root 16 0.0 0.0 0 0 ? S< Feb14 0:00 [events/2]
root 17 0.0 0.0 0 0 ? S< Feb14 0:00 [events/3]
root 18 0.0 0.0 0 0 ? S< Feb14 0:00 [khelper]
root 55 0.0 0.0 0 0 ? S< Feb14 0:00 [kthread]
root 63 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kblockd/]
root 64 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kblockd/]
root 65 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kblockd/]
root 66 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kblockd/]
root 67 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kacpid]
root 180 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [cqueue/0]
root 181 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [cqueue/1]
root 182 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [cqueue/2]
root 183 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [cqueue/3]
root 186 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [khubd]
root 188 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kseriod]
root 279 0.0 0.0 0 0 ? S< Feb14 0:40 \_ [kswapd0]
root 280 0.0 0.0 0 0 ? S< Feb14 1:02 \_ [kswapd1]
root 281 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [aio/0]
root 282 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [aio/1]
root 283 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [aio/2]
root 284 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [aio/3]
root 436 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kpsmouse]
root 497 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [scsi_eh_]
root 503 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [ata/0]
root 504 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [ata/1]
root 505 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [ata/2]
root 506 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [ata/3]
root 507 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [ata_aux]
root 513 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [scsi_eh_]
root 514 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [scsi_eh_]
root 515 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [scsi_eh_]
root 516 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [scsi_eh_]
root 517 0.2 0.0 0 0 ? S< Feb14 17:38 \_ [kjournal]
root 549 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kauditd]
root 1184 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kedac]
root 1700 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kmpathd/]
root 1701 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kmpathd/]
root 1702 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kmpathd/]
root 1703 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kmpathd/]
root 1734 0.0 0.0 0 0 ? S< Feb14 0:03 \_ [kjournal]
root 1736 0.0 0.0 0 0 ? S< Feb14 0:00 \_ [kjournal]
root 3220 0.0 0.0 0 0 ? SN Feb14 1:59 \_ [kipmi0]
root 5770 0.0 0.0 0 0 ? S 00:15 0:02 \_ [pdflush]
root 12519 0.0 0.0 0 0 ? S 00:48 0:02 \_ [pdflush]
root 583 0.0 0.0 13480 1624 ? S<s Feb14 0:00 /sbin/udevd -d
root 2272 0.0 0.3 23588 13780 ? Ss Feb14 0:00 /usr/sbin/rest
root 2287 0.0 0.0 81800 772 ? S<sl Feb14 0:03 auditd...
Do you realise that the x64 Opteron is needing an avarage 1.7 %MEM for each Apache process while the Xeon just needs 0.5 %MEM?
Since both use the same version of phpBB and the same version of CentOS5, while the only difference is one is x64 and the other i686, I wonder if this has to do with the way memory is handled by the x64 CentOS5.
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Oct 15, 2007
Currently i am running on a Mediatemple DV base VPS that provides me 256MB guaranteed RAM, and a processing speed of appx 190Mhz and is on Virtuozzo.
Currently my site keeps going down and i dont know what to do...
Can anyone please suggest me a better VPS for my site.
My Budget is around 60$.
I checked linode and they are providing 900MB of RAM guaranteed, along with 533Mhz of processing, but the only problem i feel is that they are running on UML.
How good is linode?, anyone used them before, any previous experiences.
how stable is UML?, is it better to have Virtuozzo or UML.
I am actually looking for Xen servers,Can anyone suggest me on Xen?
Vpsland is providing Xen servers, do anyone have any previous experiences with Vpsland,Linode.
Even JaguarPC is providing a VPS for 512MB ram, on vitruozzo or 59$,how good is JaguarPC, any previous experiences...
If you can provide me more services that fall within 60$ and a minimum of 512MB ram,
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Oct 9, 2007
I want to setup KVM over IP/remote reboot for my server. Do i need datacenter support or just need to install the hardware?
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Jul 1, 2008
if anybody is looking into hosting their own TLD with the new ICANN decision? I'm wondering what the requirements would be? And has anybody seen/heard any mention of what the registration fees are likely to be, I know there will be bidding on names in dispute...maybe this will be the case for every worth-while TLD.
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Jun 12, 2008
Is there really some kind of requirements to host Silverlight applications except for the fact that you probably need IIS and .NET support?
Is there some kind of special configuration needed?
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Jul 10, 2008
setting up a smarthost that should be able to handle upto 200,000 emails daily... it will handle mail relays for several different domains.
What sort of hardware requirements should I be looking at? Or would it be better to split the load over several servers?
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Jan 23, 2007
I'm trying to come up with a cheap , middle of the road, and high end set of solutions (list of equipment) for in-house hosting of video-casting / audio-casting on a site that can get big spikes of traffic at times. With some particular attention /consideration to the back-end, server requirements/needs. When or at what point does one need a a dedicated server for media? How much bandwidth is needed? how much traffic is a breaking point?
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Jul 12, 2008
Im trying to host a video sharing site. I have been through 2 hosts that told me they support the files that i need (i.e. flvtool2, mencoder, mplayer, ffmpeg, etc.) Come to find out that they dont. Now i am in need of a new host that supports this. I have researched different ones but to make a decision i need this answer:
For a video sharing site just starting out what is the recommended bandwidth, data transfer, and disk space to run this site? I just want to start small and i will expand if the growth permits it. I just dont want to jump in feet first not knowing the outcome.
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Jul 10, 2008
I have done some searching here but wasn't able to find what I was looking for, so am making a new post.
I have a client who needs an online training web application. I have done plenty of sites in the past, but none with streaming video so am really unsure what type of hardware this requires. At peak the client expects 50 users watching streaming video at the same time (so lets double it to 100 to be sure). What type of server hardware requirements am I looking at to deliver that content at a good speed with little to no hick ups? Also, is a 100Mbps link good enough?
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Dec 25, 2007
I will be starting a targeted (niched) video sharing site in the next couple weeks. I know it will require loads of space/bandwidth. My budget is under $450/month.
plan out an effective hosting strategy which will keep the costs low, while giving my providing a fast and reliable viewing experience for my visitors?
Somebody suggested going with Amazon S3 once traffic starts to pick up. But I don't understand how it works. (there is also something called amazon Ec2.. what the heck is the difference )
If I start with say a dual Xeon dedi box, with 2000GB bandwidth, can I serve all my videos/files through amazon while the conversion takes place on the dedicated server? In that case, how would I transfer the files from the dedi box to amazon? Is this even possible?
Could somebody please clarify the whole process? I am expecting about 1000 hits a day within 3 weeks, if they each watch a 200MB video a day... that's a lot of bandwidth!
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Dec 13, 2008
I have a moderately successful site, which makes enough money to cover my current hosting costs of 7 per month. I know, millionaire row it ain't, but it's popular. But my database is getting big and my current host wont allow the user of EXECUTE and SUPER privileges which I need to run triggers and stored procedures to keep the page load times sensible.
So, I need another UK host with:
- 2Gb of space (the site serves up big PDF documents)
- 70Gb of bandwidth (I said they were big)
- mysql privs available as above
Customer service with my current host, uk web solutions, is great (apart from refusal to countenance the privileges) so I need my new host to be as good. Budget? well, you can see what I'm paying now, and I have a psychological £10/month barrier which I don't want to cross.
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Dec 2, 2007
I just signed my agreement for 2 cabinets at Internap's Atlanta CoLo. For now, I will just have 1 120V 20A circuit in each cabinet.
At my office's server room we currently have 8 circuits I am powering my 2 racks from. I am just curious how many servers you can typically put on a 20A circuit. I am also considering adding two additional power feeds (1 more for each cabinet) to have truly redundant power for my dual power supplies.
I am hoping that 20A is plenty for my needs. I have around 20 HP and Dell systems. Mostly HP DL380s and Dell PE2950s.
Any ideas? I am splitting them in half, only filling up a half of each cabinet for now, as we are growing quickly and I wanted to overguy space so I would not be forced to add another cabinet later and have it end up somewhere else in the DC.
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Sep 10, 2009
I wonder if any colocation providers here have any tips for measuring power. Currently I'm using APC 7900 power strips with amperage meter. I'm not a power expert by any means but I want to be able to calculate whats the cost having a server drawing 2 amps 24/7 365 days week.
Our secondary site gave us a whopping power bill, and at our own data center we never considered charging our customers for power.
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Aug 10, 2009
I need to know what happens when a rack has capped its (lets say) 5A limit. I'm trying to calculate what exactly I can put into a rack and am considering that not all servers are going to be 100% load, as that would be bad performance anyway.
I guess it could do the following (but really don't know):
Cap performance of all servers
Cause system failures
Trip
The rack would have servers, a switch and perhaps a Remote Power Strip and Firewall. I don't know how they would be affected.
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Apr 8, 2008
how much power the average hard drive would use? (ie a 1tb drive). I was looking on WDC's website and it said 7.5 watts peak durring writing and reading etc, so assuming thats at 110 voltage, would it be safe to assume that 12 drives @ 7.5 watts each would make a total of .81 amps? I am going off of the equation that Amps = Watts/Volts. So amps = 90/110
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Jun 21, 2008
"Can i host a small forum at a 64mb ram vps with lighttpd and mysql? How many users can i have online?" I said that he can do that.Is this answer true?
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Feb 4, 2008
I've been doing research, and looking around on Google for a list of processors that use little power.
What are some of the processors out now a days that have minimal power usage?
Chassis will be SuperMicro's with 1-4 GB ram, if that's of any use.
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Jan 13, 2008
We are transitioning from an on-site data center to a collocation facility and are having problems negotiating the right amount of power, the type of connections, and the PDU power strips that we need.
For simplicity lets say that we are going to rent a 10 ft by 10 ft cage area. This should house 4-5 rack cabinets.
The amount of power we are given for this area varies with the lowest being 120 watts/sq. ft and the highest being 175 watts/sq. ft.
With 120 watts per square foot that comes out to about 6.25 circuits that are 20 amps for a 10x10 space.
For the initial setup we would have a Cisco 73xx Router, a HP 26xx switch, an Avocent IP KVM, an EMC CX3-10 SAN, and our Dell PowerEdge 2950 III servers (4).
Using the calculator at: dell.com/calc I show the power requirements for all of the Dell equipment to be:
C13 Power Cord Qty: 12
Amperage on C13 Cords: 26.49 amps
System Heat/Power: 2754.6 watts
Total Current: 13.24 amps
The way I was envisioning this was Rack 1: Router, Switching, KVM on a 20 amp circuit and Rack 2: Dell Equipment on a 30 amp circuit. Is that right?
Additionally, I'm confused about single phase vs. three phase power in the data center and what most people choose to implement. I've heard talk of getting redundant power in each cabinet but that seems like you limit yourself to half of your space doing it that way.
And the last thing is it's confusing about what type of PDU you need to put in your racks to make it all come together. All of our equipment should be using IEC C13 cords and we're thinking about going with Avocent for all of the KVM/PDU so we can centrally manage it.
It seems to me that if the cost is roughly the same we should be pressing as hard as possible for the highest watts/square foot since that seems to be one of the most important commodities in any data center.
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Nov 26, 2008
I have been interested in setting up my own server for hosting a website and a small online game I created. My only problem is how good of a server I would need to get.
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