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

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ip recognition is different

some months ago i bought a dedicated server from usa (http://www.dacentec.com/) datacenter. my ips are look like this : 162.248.243.blo blo blo when i check my ip in this site : ...
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1answer
142 views

Apache Spark infrastructure - combining compute and storage nodes

I have an infrastructure question around Apache Spark, which I'm looking at rolling out in a greenfield project with (at most) approximately 4 TB of data used for modelling at any given time. ...
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1answer
13 views

Methods for monitoring and alerting data issues when dealing with complex dependencies

In this hypothetical example, we have a data flow across multiple engineering teams in an ecommerce company. These teams deliver services, produce data, and consume data at different points of the ...
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1answer
232 views

Whitebox firewall in datacenter environment

I am looking into alternatives to commercial firewall appliances. Most of the resources available online describe home network firewalls or sub-gigabit networks. Considering than 10GbE is becoming the ...
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1answer
56 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 ...
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1answer
440 views

Windows Server 2012 Standard/Datacenter Additional License Install (4 cpu) Activate

I have a 4 x 10 core (80 threads) machine. I've installed Windows Server Datacenter 2012 and now I'm only able to use 2 CPUs. Windows Server Datacenter 2012 only allows 2 CPUs per license key. I do ...
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0answers
13 views

How do I use Client9's IPCat with IPTables

I'd like to block all ips of all datacenters in the world with this list: https://github.com/client9/ipcat But I don't know how to use that list, I'd like a bash script that checks if there's an ...
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0answers
20 views

Does an Intel server with RMM4 (IPMI BMC) need two IP addresses/cables?

I am managing a co-located server which has been rebooted and has not turned back on. It is in a data center and difficult to access, as such I am looking at Intel's RMM4 (compatible with the server ...
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0answers
27 views

What technology do data center use to guarantee low RTT?

I was reading about data-center-tcp DCTCP and the paper was talking about the low retransmission timer (RTT) of about 250┬Ás, but didn't state how that is being done. Somewhere else I read that DCTCP ...
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0answers
481 views

HDFS performances on apache spark

I have several issues related to HDFS, that may have different roots. I'm posting as much information as I can, with the hope that I can get your opinion on at least some of them. Basically the cases ...
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0answers
91 views

Setting up a caching system r/w in DCs across continents

We are going to implement a caching system to make our front-end servers which are located in different data centres in Asia, America and Europe can read and write some small JSON data in the shortest ...
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0answers
80 views

Bridging two datacenters

i need to find out what would be best way to bridge current datecenter with new DR datacenter. I have following network configuration (show in picture). http://i.imgur.com/7bohb3I.jpg So on internal ...
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0answers
259 views

How can i detect and diagnose local network problems on a multi-server environment?

I'm a software engineer who trying to detect (and solve if possible) weird local networking problems since 2 weeks on multi-server hosting environment. We bought 3 dedicated boxes with 32GB ram 8 ...
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0answers
32 views

Can Forefront TMG server as an outbound chacheing solution to a web farm

We are to deploy several web servers in a datacenters. All running Windows 2K12 + IIS. I am not very familiar with data center best practices for deploying and maintaining web servers. In the office ...
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0answers
144 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. ...
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0answers
148 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 ...
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0answers
27 views

SYBASE Connection slow to data center

My team and I are in the midst of migrating some of our servers to a new data center (we are connected via MPLS). I'm testing the first of our dev servers and am running into an issue. This server ...
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89 views

Do some network administrators assign MAC addresses with an unassigned OUI?

I am in a situation where I have observed MAC addresses on a network that do not belong to any assigned OUI range, and this is causing some issues. I suspect the cause here is a heavy use of ...