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Benchmark: md_raid5 – comparing 4 hard drives versus 3

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lrg tango drive hard disk Benchmark: md raid5 comparing 4 hard drives versus 3Recently i had to grow the capacity of my NAS. The NAS is running Debian and RAID is powered by md. I had attached 3 hard drives to it which were working as RAID5 array. Now i could write about how to grow a RAID, but you will be able to read that on more than enough other websites. I would rather share a benchmark i have created using Bonnie++. Let me show you the effects of changing the amount of hard drive on the read and write performance.

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Prelink – Speed up your Linux even more

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tux Prelink Speed up your Linux even moreLast week i posted an article about the application Preload and how you can use it to tune the startup of applications impressively. While researching on Preload i found another way for tuning my system even more with a similar technique. Lets talk about Prelink:

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Preload – Speed up your Linux

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tux Preload Speed up your LinuxPreadload is a daemon that runs in background of your system just as every daemon does.

This daemon creates statistics of your process and application usage. And that is all that is need for speeding up the start of applications by about 50%.

Preload is one of the applications i usually install right after setting up a new desktop distribution. Die effect on the response time of a system is clearly observable. Everything goes faster an makes much more fun icon smile Preload Speed up your Linux .

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