On Thu, Dec 2, 2010 at 10:33 PM, Thomas Zander < [email protected]> wrote:
> Hi, > > do we have any way to monitor which LBAs of which block device are > read/written at a given time? > > I stumbled upon this, > http://southbrain.com/south/2008/02/fun-with-dtrace-and-zfs-mirror.html > > which is pretty intriguing. Unfortunately on FreeBSD we do not have > the DTrace io provider, so his dtrace script would not work. > Do we have another option to monitor block device access in a similar > fashion? > > Regards, > Riggs > _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "[email protected]" > I'm happy FreeBSD user and not a developer but as far as I know (see: http://www.freebsd.org/doc/en/books/arch-handbook/driverbasics-block.html) there is no such thing like block device in FreeBSD. It might be possible to do what you want in other way or with different type of device. Regards, Mateusz Marzantowicz _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
