is a facility used to house computer systems and associated components, such as telecommunications and storage systems

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2
votes
4answers
507 views

Monitor bandwidth usage of a datacenter

I would like to know what application is best for measuring bandwidth usage in large datacenters. Our company is in the process of setting up a DC which will have around 1000 physical servers. We ...
1
vote
1answer
84 views

Linux: Can I prepare a boot-disk for another system when CPU architecture differs?

On a remote server the boot/system disk is corrupting. It is running Debian 4.0 on an Intel Core 2 CPU 4300 @ 1.80GHz. Is it possible to "prepare" a bootable disk I'll then send to my ISP to install? ...
0
votes
1answer
1k views

Performance differences between Windows Server Enterprise and Datacenter?

I'm a student and participating on a Business Intelligence project at a german university. We have our own hardware (one server) and currently planning to set up our server. We can choose between two ...
4
votes
1answer
1k views

Any Integrated Mangement Tools out there? (DRAC, iLO, RAC)

So I have been on the lookout for a master tool to manage all my Integrated management adapters on our servers here. Such as Dell DRAC, HP Integrated Lights-out and IBM's RAC e.g mRemoteNG works ...
6
votes
1answer
428 views

Stretched datacenter between cities

We're planning to implement a stretched datacenter between our two sites. The connectivity between them is a single 100mbit QinQ connection. We have about 500 users at site A and 200 users at site B. ...
2
votes
3answers
319 views

Selecting the right router for our Data Center [closed]

We are currently in the planning stages. In the initial phase, we're looking at 6 servers (2 Varnish, 2 web and 2 database). The Data Center we're planning on going with states they have "blended, ...
7
votes
4answers
725 views

External load balancer solutions between EC2 and Rackspace

I have a website primarily hosted on EC2 with the backends (MySql) replicated async to a Rackspace store. I am also planning to have a suite of web server, cache & db on standby at Rackspace in ...
54
votes
10answers
3k views

How to extinguish a small fire in a server rack to minimize damage to surrounding equipment?

Suppose I have a rack with several servers and other stuff. One of servers overheats severely and either starts smoking or catches fire while there's a serviceman nearby. If anything similar happens ...
4
votes
3answers
326 views

Do huge websites have more than one global uplink? [closed]

For example, Google has over 500 IP address, yet only around 20 data-centers. How can this be. From what I have read, a typical (huge) data-center will have 1 global uplink, a router, and a main ...
44
votes
7answers
3k views

How to take full ownership of an IP address?

My business is... troublesome. What I do is legal in every country on earth, but some people don't like it, and make it so tough on my poor ISPs that I am forced to go looking for new providers more ...
2
votes
3answers
279 views

Cross-Connect Between Data centers

Is it possible to cross connect between different data centers? I'm looking to connect to a financial exchange and need extremely low latency. The cost for a data center 100 metres down the road is ...
0
votes
4answers
125 views

Buying a Server vs Hosting on a Datacenter

I'm planning to host a website. It would be a photo-sharing website. I'm trying to find out a server that I should buy to put the website online. The website is in Apache PHP. I'm assuming the ...
-1
votes
1answer
621 views

Best switch and firewall to use in a Data Centre Rack? [closed]

Can anyone offer any suggestions on the best switch and firewall to use with Dell PowerEdge servers that are co-located in a Data Centre Half Rack? I'm looking at potentially a Cisco ASA5510 Firewall ...
2
votes
1answer
85 views

Normal ping between VPSs of one hoster

I use two VPS's from one hoster: one under Windows and other under Linux. I have sent ping from Windows instance to Linux and got 69ms time. I was shocked. I expected values like 1ms (as I previously ...
1
vote
2answers
459 views

How do I connect so many drives to a single RAID controller?

Please excuse my noobishness; I am trying to get up to speed with current technology. When looking at this 3ware RAID controller, I see that there is only one plug, yet the controller says it ...
1
vote
1answer
474 views

Running MySql replication between datacenters

I run my website from EC2. Due to AWS outages, I am contemplating replicating my setup on Rackspace and switch over from DNS in case of an outage. I am looking to learn ways to replicate my MySql ...
2
votes
2answers
190 views

What happens if services like DynDNS to control failovers fails? It's probably?

In the next diagram I'm trying to have a backup web page in another datacenter and a service like DynDNS that controls failovers in SERVER A to switch to SERVER B. But, what happens if DynDNS fails? ...
0
votes
2answers
211 views

Starting a datacenter [closed]

I know maybe here isn't a good place to ask, but I'm about to start a little datacenter (hosting domains) and also hosting dedicated servers. [I don't know anything about server details] (and also i ...
0
votes
1answer
381 views

Server/Power supply AMP usage

I've been looking into getting some servers with co-location, I've worked with co-lo'd servers before but this is the first time I've actually a rack up. All co-lo' providers specify a limit on the ...
3
votes
2answers
305 views

Power reading 2 amps with 13 servers?

We have a rack in a data center and we became suspicious of running out of power. But our power bar says 2 amps! It has a live indicator, so it's not just one reading. Do you think there's something ...
2
votes
1answer
103 views

Website & database hosted across multiple data centers

We recently had a major data center outage from our hosting provider. They lost a fibre connection, causing a 9 hours outage, where most of our customers could not connect. This has caused us to ...
0
votes
1answer
74 views

What are some tips/tricks to manage a cluster of machines?

We have a cluster of machines and I found ssh automatic login very helpful. I also found Capistrino very helpful. Are there any other tips/tricks you found useful?
0
votes
2answers
99 views

What are good ways to stress-test machines in data center clusters?

We recently got a bunch of machines in data center and want to do stress testing for drive failures. How to stress test for drive failures. Are there any tools available? Are there any other ...
1
vote
2answers
4k views

Preparation questions for entry-level Data Center technician position?

I have been in the IT field for the past 7+ years, however in recent years I have only been doing website development. I have a lot of general knowledge but everything is self taught. I currently have ...
0
votes
1answer
154 views

How do you relocate a server farm?

This is just a hypothetical question to satisfy my own curiosity. Our company is based out of Site A, this is getting a bit full and we are having to setup pilot offices for teams, branching the ...
4
votes
4answers
155 views

Security restricting movement of servers

We've got 20 servers that we need to remove from a datacentre that we haven't physically visited in about 5 years (I've never been there, it was from before my time). We've had to go through complete ...
1
vote
3answers
1k views

Is it possible to use mixed 110V / 208V power on a single server with dual power supplies?

Is it possible to run a dual power supply server with one PS plugged into 110V, and the other power supply plugged into 208V? We've asked the vendors and they say they've never tested it or some other ...
1
vote
0answers
649 views

What kind of server jack is this? [duplicate]

In this video: http://vodpod.com/watch/2515104-rack-and-install-the-cisco-ucs-5108-server-chassis 3:18 into the video. I'm curious about Server Jacks and possibly ballpark costs for them.
1
vote
3answers
376 views

Hosting web server via FTTH (Fibre To The Home) or datacenter

I'm a .Net programmer that currently using web hosting provider to host my web applications. In my place, currently there is offer of 20 Mbps FTTH (Fibre To The Home) internet line by an ISP. This ...
-3
votes
1answer
124 views

Generic datacenter questions [closed]

Hope this is the right place to ask a datacenter-related question. I don't have any experience with datacenter administration, and I am aware that the answers to the questions below might change based ...
1
vote
2answers
54 views

windows hosting

I'm weighing my options on hosting apps that are built on the .NET stack. 1) Continue hosting in my office - I've got 4 web servers and 4 db servers and a few miscellaneous app servers. All are on ...
1
vote
1answer
2k views

ISP Point of Presence versus ISP data center and what effect it has on CDN server deployment

I would like to clarify my understanding of the difference between an ISP Point of Presence and an ISP data center. Perhaps more importantly, I'm trying to understand at what kind of granularity each ...
23
votes
6answers
5k views

Best practices for power cabling racks in DC

With network cables it is easy. I use velcro-ties, coloured cables, 0U vertical cable organizers from APC on side of the rack -- easy and neat. However with power cables it was always giving me ...
4
votes
6answers
217 views

Servers with same workload in the same rack: good, bad or unimportant?

Our current server layout (not designed by me) has identical machines located on the same rack. We'll have all the database servers on rack A, all the fileservers on rack B, etc. This seems dangerous ...
-1
votes
1answer
70 views

Need a report on data center costs [closed]

I'm looking for some information on the costs of running a data center, preferably a company report not just on inital costs but also monthly and/or annual operational costs. Is there any such report ...
1
vote
3answers
205 views

Hosting Hyper-V VMs to customers [duplicate]

Possible Duplicate: Can you help me with my software licensing question? So simple enough question really, I hope. I'm a little confused by Microsoft's licencing, go figure eh. I'm maybe ...
13
votes
10answers
5k views

Why datacenter water cooling is not widespread?

From what I read and hear about datacenters, there are not too many server rooms which use water cooling, and none of the largerst datacenters use water cooling (correct me if I'm wrong). Also, it's ...
1
vote
1answer
232 views

IP address resolution in Cassandra MultiDC setup

We have a scenario for which we are considering using apache Cassandra for deployment for our data storage needs.The setup is to be spread across multiple data centers in different regions(physical ...
2
votes
2answers
384 views

Any way to speed up my website in other countries?

My website(social network) was built with django, cassandra && memcache, rabbitmq, mysql it used rabbitmq to serve POST requests (often it user submitted contents), to balance the load of ...
2
votes
3answers
4k views

how many blade enclosures can you fit in a rack?

Considering the power and cooling requirements of HP's or IBM's newest blade (10U) chassis fully stacked, how many of them can you fit in a standard size rack (42 U) ?
0
votes
1answer
2k views

How to set up FCoE target under Ubuntu?

We have: Ubuntu 10.04.2 LTS installed MegaRAID controller with 2 virtual RAID10 drives. 2x 10GbE dual port adapters (Supermicro AOC-STGN-I2S aka Intel 82599) We need to make those Megaraid drives ...
3
votes
3answers
1k views

SQL Server 2008 Underperforming - extreme slowness after migrating to new server

Last weekend we moved our production database to a new server. It's a Windows Server 2008 R2 Datacenter. On it is a brand new installation of SQL Server 2008 Enterprise Edition 64-bit. On Sunday, ...
4
votes
1answer
256 views

Determining amount and cost of cooling needed

I have a system that is using 2.02kWh per day, and I'm trying to figure out its heat output, cooling needs, and cooling cost. I've worked it all out to the point of determining the amount of cooling ...
15
votes
5answers
860 views

What is meant when IT Infrastructure people refer to the “Stack”

Can someone please define what exactly is the "Stack". I know its an industry term but its very vague. I am referring to Infrastructure terminology not "Stack" in terms of memory allocation.
4
votes
1answer
277 views

Receiving Cable/Satellite Television in Colo?

I am running analysis over many live TV channels (both broadcast and cable networks). Currently I have an office setup with couple of DISH receivers hooked up to HDMI capture cards in a machine ...
0
votes
1answer
216 views

new to server hosting, what do i need to know? should I? [closed]

I am planning (mostly hoping) to create and manage my own server for some python web apps, Apache/PHP/MySQL as well as a minecraft server. I have never hosted anything more complicated than a ...
7
votes
6answers
746 views

Rack layout for future growth

We're getting ready to move to a new colo facility and I'm designing the rack layout. While we have a full rack, we only have 12U worth of hardware right now: 1x 1U switch 7x 1U servers 1x 2U server ...
14
votes
7answers
1k views

Why are datacenters built over a wide area instead of using taller buildings?

I've seen a lot of datacenters pictures and it seems that the owners prefer to build them over a wide area instead of building them using taller buildings. Why?
44
votes
4answers
77k views

Splunk is fantastically expensive: What are the alternatives? [duplicate]

Possible Duplicate: Alternatives to Splunk? This has been discussed, but it has been several months, so it may be time to revisit it: Earlier discussion RE Splunk alternatives For the ...
0
votes
2answers
779 views

What is the average monthly production cost for big data centers like the ones for facebook, google or apple? [closed]

As per the question title, how much do large private data centres cost to run?