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Home -> Community -> Usenet -> c.d.o.server -> Re: ORACLE on Linux - IO bottleneck
Fabrizio Magni wrote:
> >> A raw device is a character device and as far as I know the I/O elevator
> >> (so in a 2.4 kernel) cannot operate on such devices (it works on block
> >> device). Things can be different if RH has backported something from
> >> kernel 2.6... and that's I cannot say for sure.
> >
> > No, they have not. At least as of RHAS3upd.5.
> >
>
> I'm not sure since I don't use redhat but they seem to have introduced
> the rawvary patch since AS 2.1 allowing writes on raw devices > of 512 byte.
>
IIRC, upd5. But that's been around for a while, since even before 2.4 kernel came out. IIRC, the new max on upd5 is 131K. Received on Sat Feb 11 2006 - 05:10:36 CST