Working Out Power Usage Of Entire DC
Nov 3, 2009
Yet another question for you all. As part of my remit I need to work out power usage across the DC. It's not huge. Approx 300 servers across 50 physical servers (BL7000c with BL46x series blades) as well as several sans/disk arrays (DotHill, HDC, HP MSA) and appliances, Ciscos, POE 8xxx series procurves etc)
All these are racked up and being fed from 32Amp APC PDUs (without monitoring). It's three phase in, single phase out. We can't really run 3 phase because I am not allowed to run it due to the 6 foot rule.
Our UPS is rated at 30KVA but we are running it at the max at around 24KVA.
What I need to do, is work out on an individual basis how much power each one draws, ideally without a power down. The reason, as well as identifying the power hogs (such as several SUN V series servers), is to reduce the overall carbon footprint and energy costs.
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Mar 9, 2007
Im currently going through my tool box of parts and was thinking of building some cheap dedis for my customers. Unfortuantly the only hardware I can find is SocketA AMD 3200 (Barton Core) processors but Im unsure of the power they pull in amps.
The setup I would be looking to us is 512mb RAM, 80gb Hard Drive, Socket A 3200 XP processor.
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Sep 3, 2009
Has anyone come across this before?
We are allowed upto 8 amps (240v) in our rack in a DC in London and the rack has a power meter. The power meter reads 6.9 amps but I had an e-mail from the DC saying that using their calibrated power meter we were drawing 9.6amps!
That is quite a difference, I've measured the kit I've put in there before using a cheap power meter and 6.9 sounds about right. The data centre is over power and cooling requirements I reckon and they are trying to get everyone to reduce their power. In fact, I've been told that at renewal I'll have to go down to 5 amps for a whole 47U rack!
Which figures should I believe, they are a major ISP but it all sounds a bit dodgy to me.
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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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Jun 30, 2008
im using apf firewall and wonder if someone could provide me a list of turkish ips.
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Jul 21, 2007
I figure while I am twiddling my thumbs here waiting for my host to tell me what the heck happened for the second time in two or three months why they have to do an entire VPS hard restart, which of course causes another hour of fck delays, that I'd ask some of the more skilled and experience folks here, how?
Just before it happened, as I was watching, the load shotup over 1, 2, 4, 20, 30 boom. (I opened a ticket at 4)
Shouldn't virtuozzo always guarantee a certain amount of cpu and bandwidth to the node root? Why do they have to hard reboot and not access it directly and stop the badly behaving vps? Better yet, why isn't the badly behaving vps stopped automatically by virtuozzo?
(oh and am I an idiot for putting up with over two hours of downtime?)
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Mar 23, 2009
I always use Apache and it's easy to redidrect an entire domain in the htaccess.
Code:
RewriteCond %{HTTP_HOST} ^www.domain1.com$
RewriteRule ^(.*)$ [url]$1 [R=301,L]
For a site I'm working on I need to achieve the same thing with IIS but have no idea how to and the technician claims it can't be done. Surely, that's not the case. Any ideas?
By the way I want the exact same effect as the above not just a generic redirect that sends everthing to the home page of the new domain.
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Jul 23, 2009
I have come across an issue where traffic from India is hurting my business. What I have is a number of job boards. Realistically, the only issue I am having is with IT and Engineering positions being applied for heavily by people in India. Since my customer base is all in the USA, I would like to just block India.
While I know this is easy with Apache using a .htaccess file, I am using IIS on server 2007. Does anyone have any idea on how to do this easily with the large number of IPs that India uses?
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Aug 22, 2007
how to ban an entire top-level domain? For example ban everyone from Russia by coming from the .ru domain? Or everyone from Lithuania by somehow banning everyone coming from .It ip address.
I've had some people from those places try to hack my site and am fed up with it. So I want to ban those two entire countries for the time being using cPanel X's "IP Deny Manager".
By the way I am not a technical person. Just your every day person running a site.
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Jan 25, 2008
we dont host our own website, but recenty our server crashed, and our hosting provider was supposed to be backing things up. They told us that the entire server crashed and the backups were on the same server so we lost everthing. we actually did end up getting evertying back but it took nearly a week to get back online. they said they are now backing up everthing in a remote location so this wont happen again, but we dont want to put this in their hands anymore, we didnt even get everything back .htaccess, hidden files, subdomains were not backup up and lost. So we want to do our own backing up.
Is there some thing I can set up as a cron task to weekly automatically backup every single file on the server, and the database?
We think this would be very beinificial to us as we lost alot of money from this ordeal and we do not want it to happen again.
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Apr 10, 2007
Just got off the phone with tech support and they noticed that someone was trying to gain brute force entry to our VPS. We want to view our logs but can only see the last 250 lines or so when using this command inside putty:
tail -9000 /var/log/messages
How do we see / copy the entire 9000 entries to view in a text editor? Any tips would be great. I am a newbie at this.
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Jun 29, 2007
rsync -avz -e ssh --delete --exclude=/home/server/logs/
I want to exclude the logs directory from being transferred, that doesn't work.
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Mar 12, 2007
The backup program (cpbackup) that comes with WHM/Cpanel is not ideal for our current situation. We have lots of third party applications installed on our server along with many customized configuration files. We need a solution that will backup everything and allow for fairly simple restoration.
How viable is rsync for full server backups? Can it handle 100 GB of data?
More importantly, how would you restore the backup to a new server? If the new server already has an OS the restored files would break the system, right?
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Dec 4, 2007
am hosting with servage most such hosts dont provide backup for ur files in case ur moving to other host so i was wondering if i can manually through FTP download my enitre directory including all files (html, jpg, PHP SCRIPTS) and manually reupload them onto the other host i will move to soon will that actually work
and for MySql databases i have created a PROPER backups via their auto backup system
they only lack backup for the files itself only, MySql is fine
will restoring the MySql databases but via a different control panel (CPanel) will it possible?
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Nov 9, 2007
Also does anyone have a good resource site with ssh commands and stuff?
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Jan 19, 2007
to get a copy of their entire site onto our servers.
The problem is that they have no backups, and their current host has denied them access to their account. (It's a long story.)
Rather then try and fight with their old host, I wonder if it's easier to just run some kind of "website copy" program and grab a copy of all pages and images, linked files, etc..
Their current website pages are served using an ASP database application, but the copy they need only has to work. It doesn't need to be dynamic, etc... as long as all the pages are there it's good.
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Jul 1, 2007
I'm contemplating creating a website that could store extremely sensitivity information. It's more than likely that a MySQL database would house this information.
My question is. Does anybody have any experience when it comes to encrypting an entire server disk?
I've searched online with disappointing results.
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Jul 16, 2004
I renamed a folder. How I can write a 301 redirect in .htaccess to redirect every file in that folder to the new folder?
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Nov 28, 2007
I have a system that need to be formated, before i do that i want to backup everything (etc,bin,tmp...) to new hard drive (external hard drive) which connected to system by firewire. Is there any command that i can copy entire the hdd to new hdd ? I used to use this "cp -R folder folder " but it takes too long. Any suggestion?
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Dec 2, 2013
production looking to use latest version of apache from apache lounge:
Apache 2.4.7 Win64
Which version of PHP is recommend?
Which version of WinCache is recommended?
Which version of mysql is recommended?
I've looked into WinCache how to install it and hook it up to php, but i'm guessing you add the extensions in the php.ini?
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Sep 3, 2014
A single website is returning 503 to every request - it's a wordpress site - and we have a lot of those, none of the others are returning the same errors, so this is quite odd to me:
141.101.70.247 - - [03/Sep/2014:08:29:36 -0600] "GET /apple-touch-icon.png HTTP/1.1" 503 1330 "-"
"MobileSafari/9537.53 CFNetwork/672.1.15 Darwin/14.0.0"
173.245.50.138 - - [03/Sep/2014:08:36:18 -0600] "GET /tag/rohloff/ HTTP/1.1" 503 1330 "-"
"Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
108.162.216.158 - - [03/Sep/2014:08:50:05 -0600] "GET / HTTP/1.1" 503 1330 "-"
"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0"
I do see some ModSecurity warnings from last night:
[Tue Sep 02 23:07:58 2014] [error] [client 141.101.98.8] ModSecurity: XML parser error: XML: Failed parsing document. [hostname "WEBSITE.co.uk"] [uri "/xmlrpc.php"] [unique_id "VAaiLrhfKCIAAAvNboMAAAAP"]
[Tue Sep 02 23:07:58 2014] [error] [client 141.101.98.8] ModSecurity: Access denied with code 400 (phase 2).
[Code] .....
but no errors in the site error_log since that last one - all I see now is 503 errors.
How to proceed with debugging the cause of this?
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Mar 13, 2009
We are resellers from ResellerZoom / ModVPS, at this moment we have about 10 accounts (8 reseller accounts and 2 VPS).
The problem starts some days ago, when they do a servers cage movement having us offline for about 8 hours at various servers.
Well, we have experienced various connectivity problems with them, and this was a major problem but we waited fine.
Yesterday. we receive an e-mail from a VPS client telling us what their sites are all showing codification problems. We opened a ticket with ModVPS and just wait their reply.
They told us that we should contact the script developer about the errors, but the problem appears at a lot of different scripts hosted on the same cPanel account. Because that, all appears to be a hacker attack.
Then, we consider that the better solution is to restore a full VPS backup, and we communicate this to ModVPS staff. And... Surprise! ModVPS don't have ANY backup for our VPS. Anything! That was one of my pre-sales question, and at that time they warrantied us a weekly backup.
We are still trying to get contact with them, but at this moment has passed 17 hours from their last answer and we are still waiting for it.
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Jul 3, 2015
We needed to delete a domain which has been terminated by a customer. This customer has about 40 domains linked to them.
When we deleted the domain, it deleted the entire customer!
I'm trying to find the support option on your site but I can't find it, there's just no support option for Plesk anymore.
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Jul 7, 2014
Upgrading was started not half an hour ago from the time this post goes out, all went well until the MySQL was started up. At this point it is screaming at me because it cannot access it due to a missing password. This shouldn't be to much of an issue, as you just follow this post here, [URL] .... However.. when I did that this happened.
Code:
/usr/local/psa/bin/admin --show-password
PHP Notice: Undefined index: PARAMETERS; File: /usr/local/psa/admin/plib/CommonPanel/Exception.php, Line: 266
SQLSTATE[HY000] [1045] Access denied for user 'admin'@'localhost' (using password: YES)
I rent through OVH, so we don't get support access or anything. We just get a 15 site license and that's it so I don't know who to turn to for this.. I haven't ever touched anything in regards to SQL and the likes, all I did was click the upgrade button and this failed me. And now I've pretty much lost everything until this is resolved.
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Apr 24, 2008
I have a domain with a few forwarding email accounts that forward to mac.com email accounts... for some reason every once in a while these accounts stop working...
This is the error I get when I email to that account:
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed: ...
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Sep 18, 2008
I want to move the entire contents of a directory tree to another directory.
So for example we may have a directory with 15 directories inside, each directory contains files itself. I want to copy all the files from the directory tree into another directory located somewhere else one the file system. I want only the "files" to end up in the other directory and not the file structure too.
Im running CENTOS latest version.
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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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