[gentoo-user] Hard Disk going a lot slower now...

[Chris Walters <cjw2004d@comcast.net>]

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Hello Everyone,

My secondary computer recently got fried, so I had to either rebuild my
first computer from scratch (almost), or just buy an off the shelf
model.  Since I've been ill lately, I decided on option #2.  I bought a
Gateway system with an AMD Athlon 64 X2 Processor 4200+ (Dual Core), 2
GB of RAM, an integrated nVidia GeForce 6100 video chipset, and a
Seagate 250 GB SATA II HDD.  It has other features, but they are not
important, right now.  Oh, and it came preloaded with Windows XP Media
Center Edition.

What is important is that I used Arconis Disk Director Suite to resize
the massive Windows partition (there are actually two, I didn't resize
the "rescue" partition), and move them so I could have about 128 MB of
unallocated space right at the beginning of the drive, and a lot of
space at the end.

The reason for this was to create a dual boot system with Windows and
Linux.  For a little while, there was no slowdown - the drive was still
quite fast.  Then I tried to use hdparm (a Linux tool for viewing and
setting drive parameters).  I noticed that DMA was turned off in Linux,
so I tried to turn it on, and got an error.  Since then, this drive has
been going very slow - much more slowly than my USB hard drives (and
they are limited to 480 MB / s).

I suspect that what I did in Linux turned off DMA for this drive, though
it could be something else.  Any ideas or suggestions would be welcome.

Regards,
Chris

PS: I thought I'd post this here because it involves both Gentoo and
Windows.

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