Re: RAC

Btw, the CSS waits got properly instrumented in 11.2 but are not there in
11.1.0.7...
Tanel.


On Sat, Mar 17, 2012 at 2:41 PM, Riyaj Shamsudeen <
riyaj.shamsudeen@xxxxxxxxx> wrote:

> You have gotten good information from others already, I am little late :)
>  1. Truss of DBWR process associated with RDBMS instance will show that
> files are opened to the devices and writes performed, i.e. ASM is not
> involved for direct I/O to the devices:
> * *
>
> Write calls to file pointer 262: (truss output of a DBWR)
>
> /1:     kaio(AIOWRITE, 262 , 0x6DD3C000, 8192, 0xFC17E6380F4E4000) = 0
>
> ...
>
>


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