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IBM developerWorks: Linux hardware stability guide, Part 1

Mar 25, 2001, 18:15 (4 Talkback[s])
(Other stories by Daniel Robbins)

[ Thanks to Kellie for this link. ]

"One of Linux's claims to fame is its legendary stability. However, the most stable operating system in the world won't do you any good if your hardware is defective or misconfigured. In this article, Daniel Robbins shows you how to diagnose and fix CPU flakiness, as well as how to test your RAM for defects. By the end of this article, you'll have the skills to ensure that your Linux system is as stable as it possibly can be."

"Many of us in the Linux world have been bitten by nasty hardware problems. How many of us have set up a Linux box, installed our favorite distribution, compiled and installed some additional apps, and gotten everything working perfectly only to find that our new system has an (argh!) fatal hardware bug? Whether the symptoms are random segmentation faults, data corruption, hard locks, or lost data is irrelevant -- the hardware glitch effectively makes our normally reliable Linux operating system barely able to stay afloat. In this article, we'll take an in-depth look at how to detect flaky CPUs and RAM -- allowing you to replace the defective parts before they do some serious damage."

"If you're experiencing instability problems and suspect they are hardware related, I encourage you to test both your CPU and memory to ensure that they're working OK. However, even if you haven't experienced these problems, it's still a good idea to perform these CPU and memory tests. In doing so, you may detect a hardware problem that could have bitten you at an inopportune time, something that could have caused data loss or hours of frustration in a frantic search for the source of the problem. The proper, proactive application of these techniques can help you to avoid a lot of headaches, and if your system passes the tests, you'll have the peace of mind that your system is up to spec."

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