Thread (23 messages) 23 messages, 4 authors, 2014-02-05

Re: Very long raid5 init/rebuild times

From: Phillip Susi <hidden>
Date: 2014-02-03 14:42:22

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On 2/3/2014 1:34 AM, Stan Hoeppner wrote:
Please reread my statement above.  Now let me restate that as:

Measuring disk throughput when writing through the buffer cache
isn't a measurement of disk throughput as much as it is a
measurement of cache throughput.  Thus, such measurements do not
demonstrate actual disk throughput.

Do you disagree?
Yes, I do because cache throughput is >>>> disk throughput.


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