At 05:16 PM 9.30.2002 -0400, Rob Ellis wrote: >On Mon, Sep 30, 2002 at 03:55:36PM -0500, Jack L. Stone wrote: >> At 03:50 PM 9.30.2002 -0500, Pranav A. Desai wrote: >> > >> >Hi all! >> > >> > Can I use something like >> > >> >dd if=/dev/ad0 of=/dev/ad1 >> > >> >to copy every thing from first drive to the second and be able to boot >> >from the second drive? Do I need to specify block size ? The second drive >> >doesnt have anything on it (filesystem or slices). >> > >> >Thanks >> > >> >-Pranav >> > >> >> You would use this for IDE HDs: >> # dd if=/dev/ad0 of=/dev/ad1 bs=8192 #Change the "bs" switch to something >> that works best for you. >> >> Of importance is that ad1 be equal to or larger than ad0. If larger, then >> that larger portion will be unusable. >> > >To make the new disk bootable you want to copy the disklabel >and bootstrap code -- but then you probably also want to do that >on a slice rather than the disk device (e.g., "ad0s1" rather than "ad0") -- >check your setup. > >So you might do something like this: > > # example only, don't cut & paste > dd if=/dev/ad0s1 of=/dev/ad1s1 bs=128k # for ata > disklabel /dev/ad0s1 > disklabel.ad0s1 > disklabel -R -B /dev/ad1s1 disklabel.ad0s1 > >- Rob >
NO! An entire image is taken of the ad0 and no labeling is necessary. It is bootable already. Best regards, Jack L. Stone, Administrator SageOne Net http://www.sage-one.net [EMAIL PROTECTED] To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message
