A N3rd '5 Life...

Is it already Xmas?

MAFRI — Thu, 13 Jun 2013 19:11:04 +0000

Is it already Xmas? The last days a ton of packages arrived. Most of them are still closed due to lack of time. As happy as I was and though that Xmas has come early this year – as fast the truth got me back to ground as I discovered a bill in each of ...

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HP P400

MAFRI — Mon, 10 Jun 2013 00:01:01 +0000

As secondary Controller for the HA Storage Cluster systems I’ve ordered two HP Smart Array P400 SAS RAID Controllers. Primary controller in each system will be a HP P800. The reason for the P400 was simple. This controller is used by many people outside of HP systems and has been tested very well. Another nice ...

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Supermicro SC-836TQ-R800B

MAFRI — Sun, 09 Jun 2013 22:28:36 +0000

Supermicro’s SC-836TQ-R800B chassis features a highly optimized design. The chassis is equipped with a redundant high-efficiency 800 Watt power supply. High-performance fans provide ample optimized cooling for memory modules and 16 hot-swap drive bays for SAS / SATA offer maximum storage capacity in a 3U form factor. General Specifications Manufacturer SuperMicro Manufacturer Part # CSE-836TQ-R800B ...

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Datacenter cooling upgrade

MAFRI — Sun, 09 Jun 2013 14:30:04 +0000

Blue skies and temperatures above 25C° outside – finally its summer over here. After the winter upgrades of the datacenter it was getting much hotter and some CPUs where at nearly 65C° idle and on load at 72C°. First step to fix this cooling issue, was powering down redundancy system. After that going to the ...

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Building an HA Storage Cluster Part 01

MAFRI — Fri, 07 Jun 2013 00:58:30 +0000

So next parts arrived for the HA Storage Cluster. A bunch of 15k SAS disk with 300GB capacity. And a case which will host one storage unit. The Supermicro SC836 will do the perfect job.

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HP P800

MAFRI — Wed, 05 Jun 2013 10:04:03 +0000

I’ve decided to use HP P800 SAS Controllers for the HA Storage Cluster. There are several reasons why the HP P800 was picked. It supports many online management features like: Online Capacity Expansion, Online RAID LEVEL Migration, Online Stripe Size Migration, Online Spares (Global) and User Selectable Expand and Rebuild Priority. Other features like NCQ, ...

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Building an HA Storage Cluster

MAFRI — Tue, 04 Jun 2013 17:31:29 +0000

Having a primary Storage Server 1 and a secondary Storage Server 2 is not so bad. But what if the primary storage fails? It means lots of work and possible a little (less than 4h in my case) data loss. That’s why an HA Storage Cluster should be build. There are many options to do ...

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Always Enalbe Aero with Windows 7 or Vista

MAFRI — Sun, 21 Apr 2013 21:53:09 +0000

I had the “feature” of Windows that it turns the GUI back to Basic-Mode if a few 100 windows where open. That was quite annoying . So I came up with the question: How to prevent Windows from disabling Aero? After lots of different trys I was lucky. I hope it’s useful for you. Here ...

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A little helper

MAFRI — Sat, 20 Apr 2013 10:05:49 +0000

As I returned today to the office a new package was already there and my assistant immediately was trying to open it. That made some bacon extra payment for her. P.S.: What do you think was inside of the package? MAFRI

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Internet via Satellite – Testing SkyDSL 20 / 6 Mbit Flat L

MAFRI — Thu, 18 Apr 2013 22:02:27 +0000

To increase the total bandwidth and having a faster way for offside backups and communication. The decision was made to test skyDSL 20Mbit down and 6Mbit up Flat L. This is a flat rate connection which offers up to 20 Mbit downstream and 6 Mbit upstream. This bandwidth is achieved by using a bi-directional satellite ...

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