Data centers have their roots in the huge computer rooms of the early ages of the computing industry. Early computer systems were complex to operate and maintain, and required a special environment in which to operate. Many cables were necessary to connect all the components, and methods to ...
0
votes
1answer
41 views
Dell Blades or C-Series Rack servers for datacenter virtualization project
We have customers infrastructure hosted on physical HP boxes across several racks and finally we are planning to migrate them to Vsphere.Data is stored on NFS SAN.It was suggested to use c-Series Dell ...
0
votes
2answers
44 views
How to treat a request in DHCP from an unknown host?
I have quite few dhcp request from unlocated hosts, like:
dhcpd: DHCPDISCOVER from 00:25:90:54:91:b7 via eth0: network eth0: no free leases
Whats the best way to locate the host querying the dhcp?
...
3
votes
2answers
60 views
Wattage Per Square Feet as a Measurement
I am used to looking at collocation providers where in U.S. are given as AMPs per rack (assuming 120V). I am looking into a place that rents space for servers which is listed as:
"250 Watts per ...
1
vote
4answers
145 views
Is 2-5 ms between web and database server appropriate? (Different Datacenters)
I currently have a dedicated web and database server running in datacenter (DC) 1. Im about to expand with yet another web server in datacenter 2 that will talk to the db in DC 1.
The latency ...
-1
votes
1answer
39 views
What software can I use for datacenter hardware monitoring? [closed]
Possible Duplicate:
What tool do you use to monitor your servers?
We've got a mix of Dell and HP servers in a colo and I'd like to have a hardware monitor so that we know about failed ...
1
vote
2answers
50 views
Why would a company treat its web server hardware setup as confidential? [closed]
Recently I was reading a blog post (in Russian) about a huge datacenter. Commenters asked to show shots of racks with equipment installed by customers.
The authors declined saying that customers ...
0
votes
1answer
77 views
Choosing datacenter location [closed]
I want to buy a shared hosting package from Site5. There are some options for server location. The options are these:
Dallas, TX
Chicago, IL
Los Angeles, CA
San Jose, CA
Seattle, WA
Miami, FL
New ...
7
votes
3answers
179 views
DataCenter Certification
What kind of acceditations exist for a datacenter?
I am not asking about process accreditation. Not ITIL, not ISO 20000. I am asking about an accreditation for the datacenter itself.
As far as I can ...
-1
votes
2answers
97 views
What's difference between private datacenter, and public cloud datacenter [closed]
I'm very confused to understand what a cloud datacenter actually is.
In my experience, the main services of a data center are the following:
Renting rackspace
Rack colocation
Server locating on ...
-9
votes
5answers
126 views
server migration in data center help & suggestions [closed]
We have about 15 Windows 2003 and 2008 servers at our data center, which host hundreds of different sites and databases. We have to move them to a new rack from 5th floor to 3rd floor. This move ...
5
votes
3answers
222 views
Open source DCIM stack?
Our 500-server data center is growing quickly and my manager has started investigating using a specialized Data Center Infrastructure Management (DCIM) package to help manage constraints.
DCIM ...
-1
votes
3answers
142 views
how find datacenter using a ip address related to that datacenter?
I have a vds and it's really good!
I have some problems with my reseller of that server because of their support.
I want to buy a server from that datacenter directly.
How can I find that datacenter ...
4
votes
2answers
142 views
Tool(s) for labeling cables with unique ID numbers
We are looking to (finally) implement a cable labeling procedure.
We already have a labler. Now we need a system to maintain unique IDs not related to anything.
I thought of getting a tally counter ...
1
vote
5answers
158 views
database sync across servers in SQL 2008R2
as we are in the process of expanding of businees, now we are stepping a ahead to add few more datacenter, now we have a requirement where we need to sync the production database with other ...
1
vote
1answer
48 views
Inter DC traffic from L2 to L3
I'm doing a graduate degree in Data- and Telecommunication and as part of my last year I'm doing a project within a company.
My company wants me to redesign their inter-datacenter connections, ...
10
votes
2answers
193 views
Using 48v for servers
I'm currently in the middle of a process to specify and design a new server environment for graphics and video rendering.
We know we want to use blades, and we're pretty sure of our vendor decisions. ...
-4
votes
3answers
108 views
Where can I buy stickers/labels to put on rack systems/servers to identify them? [closed]
Where can I buy stickers/labels to put on rack systems/servers to identify them? I want to put my companies logo on them and also I want 2 sizes: small and larger. The larger stickers should have ...
5
votes
2answers
86 views
Sealing Tiles and Cable routes in datacenter fire supression
I've been given the task of moving a small datacenter (3 Racks) into a new building where a server room was built with water sprinklers. The issue was raised and the contractor changed it to an FM200 ...
2
votes
3answers
175 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
39 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
100 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 ...
3
votes
1answer
326 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
156 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
111 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, ...
6
votes
4answers
279 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 ...
43
votes
9answers
2k 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 ...
3
votes
3answers
215 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 ...
42
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
123 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
97 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
242 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
45 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
123 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
213 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
102 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
166 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
102 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 ...
2
votes
2answers
160 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
63 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
51 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
0answers
29 views
What are the good ways to stress testing 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
717 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 alot of general knowledge but everything is self taught. I currently have ...
0
votes
1answer
111 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 ...
2
votes
4answers
106 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
265 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
3answers
250 views
What kind of server jack is this?
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
150 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
85 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
46 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
149 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 ...
