Brent Kearney <[EMAIL PROTECTED]> writes:

> Hello, I'm trying the following on FreeBSD 4.2:
> 
> dump -0 -h 0 -u -a -f /dev/nsa0 /home/foo
> 
> And the dump is dying with the message:
> 
>   DUMP: Dumping /home/shared to /dev/nsa0
>   DUMP: bad sblock magic number
>   DUMP: The ENTIRE dump is aborted.
> 
> /home/foo is not a mount point, but I seem to remember FreeBSD's dump 
> being able to dump subdirectories.

The man page seems to say otherwise, so you're on your own there.
Luckily, you have the source.

>                                     I can dump /home (which is a mount
> point) without any errors, so its not a problem with /dev/nsa0.  What
> does "bad sblock magic number" mean?

It means, more or less, that it can't find a valid filesystem for the
parameters given it.


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