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Tegile in the news, and so are we!

Congratulations to Tegile, whose press release today (picked up on multiple news sites, links below) includes one of the reasons we chose their HA2100EP storage array for our needs: Low latency & high throughput. We also needed iSCSI and F/C for our customers.

ipHouse has a Tegile Zebi storage array in production since March, 2012, and the increase in performance has been noticeable.

ipHouse Deploys Tegile’s Zebi Storage Array http://ger.ms/KmJXa3 - Exciting to see Tegile growing and I’m still happy with my choice in new storage for our VMware clusters.

Newcomer gets out its box, plans to sell it cheaply to all comers http://ger.ms/LTjuzY

Tegile Selected as a Red Herring Top 100 North America Tech Startup http://ger.ms/KxUJZE

Our vmForge VDC clusters are peaking around 14,000 IOPS and the MASS solution is offloading about 11,500 IOPS via SSD. I wish I could graph this and show it to the public at large but I don’t have a way yet. (those are peaks, average is closer to ~8,000 IOPS with ~6,900 IOPS via SSD)

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Into the vCloud API

We’ve been working on building a proper vmForge account creation and management site, so for the last couple of weeks I’ve worked a lot with the vCloud API. It’s a RESTful system, which means everything’s done by getting XML from and posting XML to a web server. It’s perhaps not the worst API I’ve ever worked with, but its tedious to work through. Even more so because their parser is insanely pedantic, to the point of requiring elements in a specific order. So that’s a point in PHP’s favor, that it maintains key order in associated arrays.

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Common confusion between DNS and web configurations

There is always confusion about what DNS does and what it doesn’t do. In particular, I see constant reference to DNS functions mixed up with web server functions, and vice-versa. Hopefully this post clarifies things a bit to separate what DNS does and what web servers handle.
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Test everything!

A while a go, I wrote down some personal rules to what I should do as an admin. First and foremost, and underlined about six times was this: Test Everything. It seems so simple, but you have to consider, if it’s not tested, and verified, it’s not working. Simple. Oh, it may be working, but it may not be. “May” is not good enough. So when I roll out a new server, I test and test and test. When I make a change, I test it. If I do reboot a server, I watch logs to make sure that the services are working. If the logs don’t show that everything is working, I manually test things.

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Juniper JunOS Learning Opportunities

If you wanted to learn how to use Juniper networking gear, and especially get some exposure to JunOS, their network OS based on FreeBSD that you need to configure almost all the Juniper devices with, there are many free or reasonable learning options available.

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