Re: poor SATA performance under 2.6.11 (with < 2.6.11 is OK)?

From: Tomasz Torcz
Date: Thu Apr 14 2005 - 12:00:30 EST


On Thu, Apr 14, 2005 at 06:23:30PM +0200, Tomasz Chmielewski wrote:
> I have a Silicon Image SIL3112A SATA PCI controller + 2x 200GB, 8MB
> Barracuda drives.

Bad combination.

> The performance under 2.6 kernels is *very* poor (Timing buffered disk
> reads never more than 20 MB/sec); under 2.4 it runs quite fine (Timing
> buffered disk reads around 60 MB/sec).

2.4 risk data corruption. 2.6 sata_sil.c contains blacklist for some
driver-controller combination.

See: http://home-tj.org/m15w/

--
Tomasz Torcz To co nierealne - tutaj jest normalne.
zdzichu@xxxxxxxxxxxxxxxxx Ziomale na życie mają tu patenty specjalne.

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