Date: Wed, 17 Dec 2003 21:58:29 -0700 From: David Bear <David.Bear@asu.edu> To: anubis <anubis357@optusnet.com.au> Cc: freebsd-questions@freebsd.org Subject: /dev/sa and rsa was multiple dumps to single tape Message-ID: <20031217215829.I11205@asu.edu> In-Reply-To: <"from anubis357"@optusnet.com.au> References: <20031215165555.J32172@asu.edu> <200312162006.15235.anubis357@optusnet.com.au>
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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 phone: 480-965-8257 fax: 480-965-9189 College of Public Programs/ASU Wilson Hall 232 Tempe, AZ 85287-0803 "Beware the IP portfolio, everyone will be suspect of trespassing"
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