Re: raw drive access for databases

Helge Hafting (helge.hafting@daldata.no)
Tue, 03 Nov 1998 09:14:49 +0100


In <199811030148.UAA07327@spandex.cis.ohio-state.edu>, on 11/02/98
at 08:48 PM, mike mangino <mangino@cis.ohio-state.edu> said:

>While playing with some databases on linux, I see notes in the
>documentation that there is no way to access a raw partition, and
>therefore database files must also use the filesystem. I looked for a
>group that is working on providing raw device access for databases. but I
>havent found one. Is anyone working on this? If not, I'm willing to start
>the project with a lot of help. (I have not contributed a single line to
>the kernel.)
Accessing a raw partition is easy enough, try
opening /dev/hda1 or some such. "cdrecord" use this for
storing cd-images. Seems there is no need to touch the kernel. Fix the
database program instead, so it
takes advantage of existing options.
But is this useful? The linux filesystem is fast as is.

>I'm looking for a way to make Linux more viable as an enterprise
>platform. Faster database access would hopefully do that.
I seem to recall someone testing the oracle beta for linux
and finding it faster than oracle on NT. Do speed tests
with different os'es on the same hardware.

Helge Hafting

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