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SubjectRe: Performance Characteristics of All Linux RAIDs (mdadm/bonnie++)


On Thu, 29 May 2008, Holger Kiehl wrote:

> On Wed, 28 May 2008, Justin Piszcz wrote:
>
>> Hardware:
>>
>> Results:
>>
>> http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.html
>> http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.txt
>>
> Why is the Sequential Output (Block) for raid6 165719 and for raid5 only
> 86797? I would have thought that raid6 was always a bit slower in writting
> due to having to write double amount of parity data.
>
> Holger
>

I will re-run the RAID5 test and also run the test on a single disk and
update the results later.

Justin.


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