how to enable dma by default

Tobi Gschwendtner biertrinken at web.de
Sun Jul 6 16:25:09 PDT 2003


Olaf Grüttner wrote:

>i want to enable dma mode at startup
>
>in a book i read something about a /etc/sysconfig/harddisks file and
>that adding
>
>USE_DMA=1
>
>should take care of setting the dma mode to true every time i boot.
>but it doesn´t work
>
>any ideas?
>
>olaf
>

what about the dma kernel options ? ( in my system the kernel uses dma 
by default for harddrives )

you can manually enable dma by putting the line

hdparm -d 1 /dev/hdX

to a script which is executed during boot to enable DMA for /dev/hdx



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