data center

You can use tar, split and md5sum to backup large files (30Gig or more) easily under Linux / UNIX operating systems.

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Linux captures the ‘green’ flag, beats Windows 2008 power-saving measures Independent tests show that Red Hat Linux pulls as much as 12% less power than Windows 2008 on identical hardware.

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Anyone else finding Amazon unavailable? If anything can go wrong, it will.

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A sudden outburst of violent disk I/O activity can bring down your email or web server. Usually, a web / mysql or mail server serving millions and millions pages per months are prone to this kind of problem. Backup activity can increase current system load. To avoid this kind of sudden outburst problem, run your script with scheduling class and priority. Linux comes with various utilities to manage this kind of madness.

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Google doesn’t reveal exactly how many servers it has, but I’d estimate it’s easily in the hundreds of thousands.

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LVM is an implementation of a logical volume manager for the Linux kernel. The biggest advantage is that LVM provides the ability to make a snapshot of any logical volume.

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