How can I find out how big of a single IO size?
256K or 512K for AIX 5.3 on p595 server.

thanks!

Steve wrote:
> How can I find out how big of a single IO size?
> 256K or 512K for AIX 5.3 on p595 server.
>
> thanks!
>

What do you mean? Do you mean how big an i/o that your application is
doing with one write()? Or how big an i/o that the filesystem is doing
to the LVM? Or how big a write the LVM is doing to the hdisk? Most of
these things can be discovered by using the AIX trace facility.