On Fri, Oct 31, 2008 at 03:36:02PM +0100, Christoph Kukulies wrote: > Ivan Voras schrieb: > > Jeremy Chadwick wrote: > > > >> On Fri, Oct 31, 2008 at 09:48:16AM +0100, Christoph Kukulies wrote: > >> > > > > > >>> What would be the fastest way to do that sector by sector copy? I'm > >>> using dd right now, > >>> > >>> dd if=/dev/ad0 of=/dev/da0 bs=10000000 > >>> > > > > > >> On the flip side, your blocksize (bs) there is quite high for no good > >> reason. I'd pick something more like bs=64k or bs=128k. The default > >> (512) is too small for what you want, but 10MBytes is silly. > >> > > > > Not only that, but "10000000" isn't even correct - it needs to be a > > multiple of sector size. Generally, using suffixes will do the right thing: > > > > dd if=/dev/ad0 of=/dev/da0 bs=1m > > > > > OK, I understand that 10000000 isn't good, I just thought it wouldn't > harm. But if it is a transfer rate killer then I'd better think of > typing ^C now. The command is running for 6 hours now. > > An idea how I can check the current amount of transfered byed alongside > the running dd command? Or watch the current i/o rate?
Just type a ^T on the terminal dd is running on. This will send a SIGINFO to dd which will cause it to print out that information to the terminal. -- <Insert your favourite quote here.> Erik Trulsson [EMAIL PROTECTED] _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
