On Wednesday 25 February 2004 03:10 am, [EMAIL PROTECTED] wrote:
> one thing about dd,

<snip>

> when dd reads the filesystem through the block device, it
> will get corrupted versions of some files *if* there are other
> raw i/o operations unrelating to the dumping procedure.

right.  but for his requirements, i think it works.  he just wants to
use it for making images of the drives, and then restoring at
will.  and the boxes are windows, but he will do the backup and
restore from a knoppix or other live CD.  if he does that (and if
he's careful about unmounting the FAT and NTFS partitions,
if knoppix automatically mounts them), there should be no
problems.  there probably won't be problems anyway even if
he doesn't unmount since he won't be reading/writing to the
FAT/NTFS partitions at all while backing up or restoring.

> the point is, it is safest to dump on an unmounted, on a read-only
> or on a idle filesystem, syncing it first befored dumping it.

but of course, he should do all that anyway before running dd
or whatever tool he uses.

:). i didn't go into any of that since the requirement implied that
there would be no updates to the filesystems while they were being
read or written.

tiger

-- 
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