> > fs's mount point and the filesystem is listed in fstab. Then dump
> > dumps the raw device instead.
> Oh, exactly!  I've forgot it.
> 
> > However, this seems to fail for lfs. dump_lfs tries to read mount
> That's different topic from original problem.
yes 
> > > > dump -h 0 -0 -B 5000000 -k 64 -L "root-backup" -u /
> I find that wojtek uses DAT from his past mail.  Then it may improve
> the speed that specify block size with -b option.
> 
> # dump -h 0 -0 -B 5000000 -b 100 -L "root-backup" -u /
> 
> How about this?

i may try. but the problem is that dump STOPS backing up after 93% done
and only doing lots of disk access. i've waited above 1 hour and didn't
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