is a facility used to house computer systems and associated components, such as telecommunications and storage systems
-3
votes
0answers
22 views
Need help in Data center management training [closed]
Now I had made my career into data center management. I am asked to train my self in HP-UX , network and storage concepts , Matrix operating environment,Insight management etc...But I dont know how to ...
9
votes
1answer
170 views
Standard Bolt Pattern for Racks in Datacenters
Is there a "standard" way of bolting racks down that is interchangeable between vendors?
At our datacenter we've standardized on a Damac rack for our builds. Because we're building in volume, the ...
-3
votes
0answers
55 views
How to connect 5 different networks together? [closed]
I have a network consisting of three servers in a data center, all of which are connected to each other via a switch.
In addition to this I need this network to access 4 additional networks, most of ...
1
vote
0answers
13 views
IBM Tivoli Reclaim vs Update
What is the difference between TSM reclaim vs update? I have accidentally run the reclaim command on my offsite pool? Is it fine to run the reclaim command on offsite pool or is there a bad impact by ...
0
votes
1answer
66 views
What would my over subscription be for my network?
I have 24 racks with 20 servers each connecting to 2 by 48 x 10G switches in each rack (NIC teaming). The switchs then connects to another 2 by 48 x 10G switches in 2 aggregation racks.
What would ...
0
votes
1answer
51 views
What is the best way to store cabling data [closed]
I work in a massive-scale enterprise environment and I was wondering how to best store and represent cabling information for my company's data centers, in the most general sense.
I can clarify ...
0
votes
0answers
38 views
Latency between servers in one Datacenter (i.e. OVH US)
I would like to get servers in one rack connected through a dedicated switch in order to keep latency between application and db servers low. Since most hosters at the east coast do not offer this I ...
2
votes
1answer
192 views
I'm considering using a Mineral-oil as a coolant for a submerged server. What fire precautions should I take?
I'm investigating different ways to safely and efficiently cool down one of our servers that uses two GPU cards for intense renderings that takes hours to complete.
The overall system wattage is ...
0
votes
0answers
18 views
App Fabric Cache Configuration and disaster recovery site
We have previously used App Fabric caching across several servers at the same data center. In that case we placed the configuration file on a SAN disk at that site.
We are now going to deploy an ...
0
votes
0answers
25 views
Live storage migration on Windows Server 2008 Datacenter - Hyper-V + 2 node Failover
We are running win2k8 data center r2.
We have a failover cluster with 2 nodes, connected to a SAN, and several vm's (hyper-v) located on a shared san.
I want to move the storage location of these ...
0
votes
0answers
27 views
Data Center Internet Connection Sharing [closed]
How do data centers share their internet connections? I presum there isn't one connection per client?
-2
votes
1answer
48 views
Server 2012 Datacenter: does Microsoft charge per core or per processor? [duplicate]
For Server 2012 Datacenter do they charge per 2 physical cpu or per 2 cores?
Example if I have an EVGA Classified SR-X motherboard with 2 Intel Xeon E5-2687W, 8 core cpus, will I only need to buy one ...
0
votes
0answers
46 views
I have a firewall that supports 1Gbit ethernet ports but 1.4Gbit of traffic, can I make use of a 10Gbit pipe from the router in this case?
We're putting up a rack of servers in a datacenter which provides us either a 1Gbit pipe or 10Gbit pipe from the router (our choice, our package includes 10Gbit).
But if we have a firewall which ...
1
vote
0answers
52 views
Is the Foundry BR-FGS624P switch stackable by adding the 10GbE ports, or is it never stackable?
I'm looking at buying a Foundary BR-FGS624P 24 port switch which will suit our purposes now, but thinking into the future I might like to stack the switch when we add a few more servers to our rack.
...
11
votes
1answer
407 views
What Data Center room routine maintenance tasks should be done?
Beyond the work done "inside" equipment (administration, programming, network config) there exists physical equipment and rooms. This physical room equipment needs care and feeding as well on a ...
0
votes
0answers
109 views
typical latency in a data center [closed]
What is the typical latency in a 3 tier network architecture in enterprise data centers. I have fairly googled and found its significance, but without much experience I cannot gauge the typical ...
0
votes
0answers
81 views
Hadoop vs Gluster for cluster replicaiton [closed]
Does the current version of Hadoop support any kind of built in cluster to cluster replication? or is it all an manual process? Does Hadoop support any kind of master-slave replication like ...
22
votes
1answer
428 views
Zinc Whiskers in Data Centers
A message thread on this site from 2010 through an update in 2012 was on a server room that was closed due to zinc whiskers and they thought the flaking was from access flooring & its support.
I ...
1
vote
1answer
104 views
MySQL Data Center Replication [closed]
I have a (possibly not so quick question) about the best way to set up a 'global' MySQL Database.
I basically need to set up multiple MySQL servers in separate geographical locations that will all ...
0
votes
3answers
65 views
How to find best datacenter in China? [closed]
I guess this question would be applicable for most countries but in this case, more specifically: if you do not speak Chinese how to find top tier data centers in China?
1
vote
2answers
57 views
Is it necesary to purchase two Datacenter licences if your virtualization infrastructure includes two physical servers? [duplicate]
Possible Duplicate:
Can you help me with my software licensing issue?
We are looking to set up a virtualization environment. As I assume is standard this will include more than one ...
0
votes
1answer
45 views
what is difference between data center manager and data center administrator [closed]
can anyone bring out the difference between what is expected from a Data Center Manager and a Data Center Administrator?
2
votes
2answers
353 views
Place server machines in relatively humid underground room during the summer?
My company has around 20 servers which we want to operate in an underground room, where the temperature over whole year ranges from 5°C to 28°C.
The only thing I am worried about is that in ...
18
votes
7answers
1k views
Using Y power cables in a datacenter
I've always assumed that using Y cables from the PDU to redundant PSUs in the same server was totally acceptable practice, however I was recently speaking to someone that said that their colo wouldn't ...
8
votes
3answers
647 views
RedStation.com is heaven for ddos attackers, How to file complaint? [closed]
Sorry, I don't know where to open this subject.
This is not the first time we have faced with a massive DDOS attack from one of servers in RedStation.com and even after we had contacted with their ...
1
vote
0answers
78 views
Rack tables across multiple data centers
Does anyone know how to create multiple site in RT? It works great for our current single data center set up however we are expanding to add a few more datacenters and I would like to have one ...
-7
votes
1answer
125 views
software for rack visualisation [closed]
Can you recommend any (preferably open-source) software for server racks visualization? Ideally it should be able to draw cable links between pieces of equipment, and should be scriptable to some ...
1
vote
1answer
89 views
Server room near the transformer units
Need to clarify what problems may arise from servers in the server room when a transformer station is at a distance of 10 meters.
thanks.
-2
votes
3answers
112 views
How can I avoid having to tell my clients to modify their domains' DNS settings? [closed]
My web application requires that clients point their A records for their domains to an IP address that I tell them to point them too. Later, when I need to scale from 2 servers that I currently have ...
2
votes
1answer
57 views
Hosting websites in our Workplace custom-built datacentre
I'm faced with unique learning opportunity at work at the moment. Due to the slowdown (amongst other reasons), the powers that be at my office have decided to abandon our shared hosting providers ...
15
votes
2answers
298 views
What are the different classes of Internet Connection and how do they differ?
I'm looking for the technical differences between consumer and professional Internet connections. By "professional" I mean:
The kind you can get at a datacenter
The kind you can get at an office ...
0
votes
1answer
61 views
How Does EoR Design Work with Multi-tiered Data Center Topology
I just did a ton of reading about the different multi-tier network topology options as outlined by Cisco, and now that I'm looking at the physical options (End of Row (EoR) vs Top of Rack(ToR)), I ...
3
votes
3answers
254 views
Why are the prices for broadband bandwidth at data centers much higher than consumer/small business offerings? [closed]
The prices for broadband bandwidth at data centers are sometimes as much as 10x higher than for a typical small business/consumer connection, at least where I live. Now, I understand those are two ...
4
votes
4answers
124 views
Process for configuring network settings on a headless rack mount device
I'm with a small company that plans to sell a rack mounted network appliance which is configurable via a web interface (think of a router configuration page sort of deal), and I'm wondering in large ...
4
votes
2answers
210 views
Headset for phone calls in the datacenter
Datacenters are noisy places. On occasion it is necessary for an administrator or technician to troubleshoot a problem in the datacenter while on a phone call or conference call. Unfortunately, ...
0
votes
2answers
55 views
Match logical and physical network interface names
Our company planned to move their hundreds of servers (virtual and physical) to a brand new datacenter infrastructure.
First, we have created a spreadsheet which lists the configuration of all the ...
-4
votes
2answers
60 views
What's the deal with using unreliable green energy in datacenters? [closed]
The news say that Google now uses 48 MW of electricity produced by wind turbines to power one of its datacenters.
I've always heard that "green" energy is great, but it is unreliable - wind doesn't ...
2
votes
1answer
70 views
Forensics on Virtual Private servers [closed]
So these days with talks about having hacked machines being used for malware spreading and botnet C&C, the one issue that is not clear to me is what do the law enforcement agencies do once they ...
-1
votes
2answers
68 views
What are some SMART Criteria I can use when comparing “green” datacenters? [closed]
I'm looking to reduce my carbon footprint and want to find a "green" datacenter. There are so many ways to define a "green datacenter' I'm looking for examples of SMART Criteria such as
20% of ...
0
votes
0answers
266 views
Minimum distance of backup data center from main data center? [closed]
As we know having backups at a separate data center is a good way to achieve high recover-ability in case of prolonged data center down times. But then I thought what if it's a major disaster or an ...
2
votes
3answers
1k views
If DNS Failover is not recommended, what is?
As a followup question to his very popular question: Why is DNS failover not recommended?, I think it was agreed that DNS failover is not 100% reliable due to caching.
However the highest voted ...
185
votes
15answers
8k views
I've inherited a rat's nest of cabling. What now?
You know, you see pictures like below and sort of chuckle until you actually have to deal with it.
I have just inherited something that looks like the picture below. The culture of the organization ...
10
votes
1answer
874 views
What is the proper way to manage cabling behind patch panels?
I have a 4-post 19" rack with a 72-port 2U quickport patch panel where horizontal structured cabling terminates. The cables are bundled and enter the rack at the rear. From the back of the rack, ...
1
vote
1answer
58 views
How to share data across two data centers? [closed]
Let say I have 2 data centers in 2 different cities. Datacenter A to serve city A, and datacenter B to serve city B. How do I achieve the following scenarios:
Redirect users in each city to ...
-1
votes
1answer
558 views
What are EN, EP and EX platforms?
I keep hearing all these terms - EN, EP and EX level servers. What do these terms mean? What are they classifications of? How are they demarcated from one another? How are they different from the thin ...
6
votes
2answers
247 views
Source of PDU De-Rating?
In researching PDU's I have noticed most cite a derated current at the 80% level. For example, 30A is derated to 24A:
Tripp Lite:
Raritan:
Does anyone have anything that shows what agency this ...
1
vote
1answer
469 views
How do I choose compatible rails for rack mounting my servers?
I am purchasing a rack mounted server and I have the option of also purchasing one of two types of railings:
Rapid Rails for Dell Rack
Versa Rails, Round Hole Universal
Is there any difference ...
33
votes
2answers
711 views
Assessing equipment damage following a lightning strike - Should I have planned more?
One of my client's sites received a direct lightning hit last week (coincidentally on Friday the 13th!).
I was remote to the site, but working with someone onsite, I discovered a strange pattern of ...
-2
votes
2answers
114 views
Best City in Australia for Dedicated Hosting [closed]
We are looking to duplicate a copy of our database and application servers to serve our customers in Australia. We are looking for a well connected datacenter providing dedicated hosting (full machine ...
2
votes
2answers
388 views
How many hp dl360 g7 in a rack?
It might sound as "how long is a piece of string"?
In my current job the process is to leave 1U spacing, with no blinders, between servers; this incurs a considerable loss of space, no event sparking ...
