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823 views

LAN Redundancy - NIC, Cables + Switch?

I'm trying to move to a HA solution and would like to understand what hardware is required to have redundancy in the NICs, switch and cables. The diagrams below show how I envisage a non-redundant ...
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153 views

Building the infrastructure to support a web application

I am building infrastructure to support a web application. I think I have a decent idea of what the infrastructure should look like, here's what I have: 2 x 16GB, 4-Core HAProxy servers for load ...
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584 views

Chef vs. Puppet: Which works best on Joyent SmartMachines?

Currently we're planning to take our app to a dynamic infrastructure and we're caught between Chef and Puppet. Each has pros and cons but seeking community answer from anyone who has experience with ...
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37 views

infrastructure about mmof

I just want to know how much loss a multimode fiber can have before it does not transfer information or slow down the system? I have tested a 12 core mmof that is about 60m long and i am getting 4.5dB ...
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0answers
398 views

Separating Secure Network and DMZ (nonsecure) in a PCI Compliant Infrastructure

We are setting up a PCI Compliant infrastructure where most of our applications are running in a DMZ (demilitarised zone) that contain no sensitive information. The part that contains sensitive ...
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Can we write an custom check for monitoring a process with Data Dog

I want to write an DataDog Check to monitor some process like Puma, delayed_job etc, I can see there are ready plugins available for these for nagios and Sensu but not for DataDog, But can I write my ...