Date: Tue, 10 Oct 95 13:39:16 +0100 From: cracauer@wavehh.hanse.de (Martin Cracauer) To: itemple@elysium.CLare.tased.EDU.AU Cc: questions@freebsd.org Subject: Re: Hard disk copying Message-ID: <9510101239.AA14874@wavehh.hanse.de> References: <Pine.3.85.9510101514.C2851-0100000@elysium.clare.tased.edu.au>
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itemple@elysium.CLare.tased.EDU.AU (Iain Templeton) writes: >Is it possible to make an exact duplicate of a hard disk. I saw something >here the other day which looked similar to what I'm after, although I >didn't know it at the time. >What I basically want is to be able to copy one disk, to another >(obviously), where the disks are on the same SCSI2 controller, and should >be the same model drive (exact model not known at this time). >This is for backing up to another working drive so that one can be >replaced if the other one fails (or something like that). The ability to >go back the other way is not necessary. I ususally use newfs /dev/target_partition #mount it cd /mount_of_new_filefilesystem dump 0sf 400000 - /usr_or_whatever | restore rf - Of course, this is on per-partition, not per-disk base, but has the advantage that it works for different-sized partitions. Martin
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