From: Genix <genix@list.ru>
To: anyr@tut.by, ALT Linux Community <community@lists.altlinux.org>
Subject: Re: [Comm] Почему так сильно тормозит
Date: Thu, 12 Jan 2006 11:02:51 +0300
Message-ID: <43C60D2B.9040200@list.ru> (raw)
In-Reply-To: <200601120954.44947.anyr@tut.by>
anyr wrote:
>>винт в режиме UDMA? проверить можно с помощью hdparm
>
> У меня тормозов жутких нет, но все же...
> hdparm выдает: UDMA modes: udma0 udma1 *udma2 udma3 udma4
> udma5. Понятно, что используется udma2, а что это за 3-5,
> если они шустрее, то как их включить?
попробуйте почитать man hdparm:
-d Disable/enable the "using_dma" flag for this drive. This option
now works with most combinations of drives and PCI
interfaces
which support DMA and which are known to the kernel IDE
driver.
It is also a good idea to use the appropriate -X option
in com-
bination with -d1 to ensure that the drive itself is
programmed
for the correct DMA mode, although most BIOSs should do
this for
you at boot time. Using DMA nearly always gives the
best per-
formance, with fast I/O throughput and low CPU usage.
But there
are at least a few configurations of chipsets and
drives for
which DMA does not make much of a difference, or may
even slow
things down (on really messed up hardware!). Your
mileage may
vary.
может это поможет, сам не пробовал/сталкивался.
--
У каждого в башке свои тараканы...
next prev parent reply other threads:[~2006-01-12 8:02 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 5:48 Ivan F Chadin
2006-01-12 6:02 ` Genix
2006-01-12 6:09 ` Ivan F Chadin
2006-01-12 6:21 ` Genix
2006-01-12 9:54 ` anyr
2006-01-12 8:02 ` Genix [this message]
2006-01-12 14:41 ` Andrey Rahmatullin
2006-01-13 14:21 ` anyr
2006-01-13 17:29 ` Andrey Rahmatullin
2006-01-12 14:43 ` Andrey Rahmatullin
2006-01-13 14:23 ` anyr
2006-01-13 17:30 ` Andrey Rahmatullin
2006-01-12 10:51 ` Владимир Гусев
2006-01-12 6:03 ` Шенцев Алексей Владимирович
2006-01-12 9:53 ` Aleksander N. Gorohovski
2006-01-13 20:54 ` Motsyo Gennadi aka Drool
2006-01-14 23:55 ` [Comm] " Michael Shigorin
2006-01-15 0:11 ` Eugene Seppel
2006-01-15 0:21 ` [JT] " Michael Shigorin
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