On Mon, 2002-04-01 at 19:01, Kirk Strauser wrote:
>
> At 2002-04-02T01:46:18Z, Doug Silver <[EMAIL PROTECTED]> writes:
>
> > So for the non-rewinding tape device I put in /dev/nsa0, which seems to
> > make sense after reading the mt and sa man pages (I know, I shouldn't be
> > RTFM'ing before hand, but oh well ;). I've tried both /dev/nsa0 and
> > /dev/nrsa0 -- both failed!
>
> Actually, you'll want /dev/nrsa0. Otherwise, your tape will rewind between
> dumps, which is a Bad Thing.
>From the man page for sa, nsa0 would be the no-rewind device. Adding
the "r" causes access to sa0 to be "raw."
>
> > # dump 0f /dev/nsa0 /etc
> > DUMP: Date of this level 0 dump: Mon Apr 1 17:27:47 2002
> > DUMP: Date of last level 0 dump: the epoch
> > DUMP: Dumping /etc to /dev/nsa0
> > DUMP: bad sblock magic number
> > DUMP: The ENTIRE dump is aborted.
> >
> > Any suggestions?
>
> I've seen similar errors with subtly corrupted filesystems. Try fsck'ing
> the /etc volume and trying again. Note: I'm using FreeBSD 4.5-STABLE on my
> workstation, and I've had (within the week) filesystems with corruptions
> that caused dump to abort but that had no other apparent problems.
> --
> Kirk Strauser
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