Moving CNFS buffers to raw-devices

Russ Allbery rra at stanford.edu
Sat Feb 1 23:29:07 UTC 2003


Przemys=B3aw Maciuszko <sal at agora.pl> writes:

> I'm thinking about moving my CNFS buffers to raw devices (Solaris 9).
> Right now I'm using buffers on top of VxFS and VxVM.
> I wonder did anyone moved buffers from filesystem layer to raw devices and
> if there was any performance gain?

I've used block devices from the beginning for my main transit server, so
I don't have any information about whether one is faster than another.
The block device route seems intuitively more efficient, since you don't
incur file system overhead.

--=20
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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