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// Tales from software development

Disk enclosures and temperatures

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As noted in some recent posts, I’ve recently swapped the disks in a couple of servers for SSDs.

After a few weeks of 24×7 operation it was apparent that the SSD in one server was consistently running around 4-5 degrees C hotter than the other despite the fact that these are identical servers with a similar workload. The only difference between the two was that when I installed the first SSD I bought a bare drive and fitted it into a 2.5″-3.5″ adapter enclosure but when I bought the second SSD I bought it as an upgrade kit that included a pair of rails to allow it to be fitted in a 3.5″ drive bay.

The adapter enclosure is manufactured by Kingston and has several vents to allow air to pass through it. It seemed unlikely that heat could build up inside it but, nevertheless, it seemed to be the most likely explanation as to why one SSD was running hotter than the other. I bought another pair of adapter rails and replaced the enclosure.

And, yes, the server with the disk that was running slightly hot is now running at exactly the same temperature as the other.

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Written by Sea Monkey

May 14, 2010 at 9:00 am

Posted in Hardware

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