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

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7
votes
4answers
685 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 ...
53
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
314 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
261 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
610 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
84 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
388 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
467 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
189 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
210 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
362 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
298 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
99 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
72 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
94 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
153 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
154 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
361 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
121 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
53 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
215 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
202 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
215 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
377 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
3k 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
251 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
790 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
263 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
213 views

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

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
736 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
74k 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
755 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?
7
votes
3answers
3k views

Layer 4 vs Layer 7 Load Balancing

I am trying to decide between using a layer 4 load balancing solution for my datacenter or a layer 7 solution. Unfortunately (for my sanity, that is), my use case is simple enough that both solutions ...
0
votes
1answer
258 views

Data center router/firewall recommendations

I'm looking for help deciding on a new router for our data center equipment. Currently, we've got about 10 machines, each with their own firewall. I'd like to get them all behind a single router and ...
2
votes
2answers
407 views

guidelines for large Unix data center setup?

Are there any blogs/ recommended readings on how to setup/configure/manage large ( 500 + ) unix servers in a single / multiple data center ? I am trying to understand best practices, network design ...
0
votes
3answers
218 views

Hosted datacenter vs Cloud datacenter

What exactly is the factor that differentiate/classify/categorize/determine between a Hosted datacenter and Cloud datacenter? At an abstract level, if datacenter is a physical place where it is used ...
0
votes
1answer
57 views

getting started automating virtualization with powershell on windows

What are some good books or resources for learning automate virtual PCs on Windows DataCenter? I want to be able to build VPCs with both automated installs and from images, preferably via powershell. ...
11
votes
7answers
8k views

Avoiding DNS timeouts when a dns server fails

We have a small datacenter with about a hundred hosts pointing to 3 internal dns servers (bind 9). Our problem comes when one of the internal dns servers becomes unavailable. At that point all the ...