/dev/sa and rsa was multiple dumps to single tape

David Bear David.Bear at asu.edu
Wed Dec 17 20:59:23 PST 2003


On Tue, Dec 16, 2003 at 08:06:15PM +1000, anubis wrote:
> On Tue, 16 Dec 2003 09:55 am, David Bear wrote:
> > if I am writing multiple dumps to a single tape, is it wise to have mt
> > write a setmark after dumping each file system?
> 
> There is no real need to do this.
> 
> If you want to write dump after dump onto a tape in the one session use the 
> /dev/nsa0 device.  This device is the same as /dev/sa0 but doesnt rewind 
> between sessions.  So the tape will be ready for the next dump automatically.  
> 

thanks for all the replies.

I am wondering now what the difference is between 
/dev/sa0 and /dev/rsa0
and
/dev/nsa0 and /dev/nrsa0


-- 
David Bear
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