Linked by theosib on Sun 14th Feb 2010 10:45 UTC

Recently, I bought a pair of those new Western Digital Caviar Green drives. These new drives represent a transitional point from 512-byte sectors to 4096-byte sectors. A number of articles have been published recently about this, explaining the benefits and some of the challenges that we'll be facing during this transition. Reportedly, Linux should unaffected by some of the pitfalls of this transition, but my own experimentation has shown that Linux is just as vulnerable to the potential performance impact as Windows XP. Despite this issue being known about for a long time, basic Linux tools for partitioning and formatting drives have not caught up.

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So, since you're using Linux, wouldn't it behoove you to use the GPT (GUID Parition Table) scheme which handles, by design, the new block size?


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bralkein Member since:

Well apart from anything, fdisk doesn't support GPT. Parted does, but as he said, you can get parted to automatically solve the problem anyway.

The problem as TFA describes it is that a bunch of the tools & tutorials out there today will give you bad results if you use them with the new block size. They will probably give you bad results if you use them with GPT, too.

Edited 2010-02-14 17:57 UTC

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