Re: Odd IDE performance drop 2.4 vs 2.6?

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Alan Cox wrote:
On Llu, 2005-06-13 at 11:43, Ondrej Zary wrote:

I see this problem too with i430TX chipset (the south bridge and thus IDE controller is the same as in i440LX/EX and BX/ZX).


Make sure you have pre-empt disabled and the antcipatory I/O scheduler
disabled.

I don't think that those could explain it.

Increasing readahead with the `blockdev` command has been known
to fix similar reports.

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