Re: MD RAID1 performance very different from non-RAID partition

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Goswin von Brederlow wrote:
> Jordan Russell <jr-list-2007@xxxxxx> writes:
>> It's an ext3 partition, so I guess that doesn't apply?
>>
>> I tried remounting /dev/sda2 with the "barrier=0" option (which I assume
>> disables barriers, looking at the source), though, just to see if it
>> would make any difference, but it didn't; the database build still took
>> 31 minutes.
> 
> Compare the read ahead settings.

I'm not sure what you mean. There's a per-mount read ahead setting?

-- 
Jordan Russell
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