Re: Performance and the hard disk size

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Paul Smith <phhs80@xxxxxxxxx> writes:

> On Fri, Jun 21, 2013 at 10:42 PM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote:
>>> Does the size of the hard disk affect Fedora's performance?
>>>
>>> I am looking for a 2 T disk to replace my current disk, but some
>>> people are warning me about performance; they say I should buy a disk
>>> of at most 1 T. Are they correct?

What is their understanding of "performance"?


I/O ops/sec?

observed sustained data transfer rates like when copying files with
rsync?

benchmark results?

specifications given by the manufacturer?

reliability and longevity?

price vs. what you get?

perceived responsiveness of the system?

noise and vibration levels, energy consumption, overall environmental
impact?

heat production?

warranty given by the manufacturer and the quality of their support?

compatibility with RAID controllers?

error recovery capabilities?

connectivity and flexibility?


And in which way would the "performance" be affected?  Are there any
bottlenecks that need to be considered?

Use at least RAID-1, so you'll probably be buying at least two disks.
Other than that, it depends on what you want or need, except that some
combinations aren't possible (like 'high capacity + high data transfer
rates != low price').


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