Re: Tape device name without rewind after write

[Nick Lindsell]

At 11:20 23/10/2002 -0500, you wrote:

nst0.

On Wed, 23 Oct 2002, Billy Davis wrote:

> Our SCSI tape drive device is st0. What device name should be used in order to execute multiple cpio write commands to the same drive? (ie, nst0???) We are trying to backup multiple filesystems on the same tape, but as separate files instead of one large single file.

Here's our backup script - I think it does what you want, a bit crude but it works.....

#/bin/bash
#
#
# N.Lindsell, Tue Jun 17 09:54:48 BST 1997
#
#

echo "**************************************************************">/tmp/backuplog
/usr/bin/modprobe aic7xxx 2>>/tmp/backuplog
/usr/bin/modprobe st 2>>/tmp/backuplog
echo -n "Backup started on ">>/tmp/backuplog
echo -n "Using DAT (/dev/st0). ">/tmp/backuplog
date >>/tmp/backuplog
cd /
mt -f /dev/st0 erase
echo -n "Archiving root : ">>/tmp/backuplog
find . -print -mount|cpio -oB -H newc >/dev/st0 2>>/tmp/backuplog
mt -f /dev/nst0 eod
cd /var
echo -n "Archiving /var : ">>/tmp/backuplog
find . -print -mount|cpio -oB -H newc >/dev/st0 2>>/tmp/backuplog
mt -f /dev/nst0 eod
cd /usr
echo -n "Archiving /usr : ">>/tmp/backuplog
find . -print -mount|cpio -oB -H newc >/dev/st0 2>>/tmp/backuplog
mt -f /dev/nst0 eod
cd /usr/local
echo -n "Archiving /usr/local : ">>/tmp/backuplog
find . -print -mount|cpio -oB -H newc >/dev/st0 2>>/tmp/backuplog
mt -f /dev/nst0 eod
cd /home
echo -n "Archiving /home : ">>/tmp/backuplog
find . -print -mount|cpio -oB -H newc >/dev/st0 2>>/tmp/backuplog
echo -n "Backup of core complete on " >>/tmp/backuplog
date>>/tmp/backuplog
mt -f /dev/nst0 rewoffl
echo "**************************************************************">>/tmp/backuplog
echo >>/tmp/backuplog
echo "To recover data from this tape use:-">>/tmp/backuplog
echo " cpio -ivdB -H newc </dev/st0 to read root data ">>/tmp/backuplog
echo " mt -f /dev/nst0 fsf 1;cpio -ivdB -H newc </dev/st0 to read /var data ">>/tmp/backuplog
echo " mt -f /dev/nst0 fsf 2;cpio -ivdB -H newc </dev/st0 to read /usr data ">>/tmp/backuplog
echo " mt -f /dev/nst0 fsf 3;cpio -ivdB -H newc </dev/st0 to read /usr/local data ">>/tmp/backuplog
echo " mt -f /dev/nst0 fsf 4;cpio -ivdB -H newc </dev/st0 to read /home data ">>/tmp/backuplog
echo "**************************************************************">>/tmp/backuplog
/usr/bin/rmmod st 2>>/tmp/backuplog
/usr/bin/rmmod aic7xxx 2>>/tmp/backuplog
cat /tmp/backuplog|mail -s "Last nights backup results" [EMAIL PROTECTED]

Please change the hostmaster address ;>



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