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Setting up BRU to work with an Autoloader By nature, most autoloaders do not possess any resident intelligence and require software intervention to regulate the data flow during tape changes. As a result of this limitation, BRU is distributed with two scripts that can be modified to work with a variety of autoloaders. To operate an autoloader successfully with BRU, there are three factors that must be taken into consideration: BRU was only designed to operate with single drive autoloaders, the BRU scripts assume that the autoloader is set to sequential mode, and the BRU GUI (XBRU) does not function with autoloaders. Once the current status of the autoloader has been determined, the scripts can be modified to function with BRU. There are two methods of configuration that can be utilized to accomplish this:
Samples:
# Nightly backup script for BRU, includes autoscan of all backups # Place the local system on tape 1 bru -cvRXVf /dev/st0 / > /var/log/brubackup.log1.`date +%a` 2>&1 # Backup System2. Note, BRU will change tapes first bru -cvRXVf /dev/st0 /mnt/sys2 > /var/log/brubackup.log2.`date +%a` 2>&1 # Backup System3. Note, BRU will change tapes again bru -cvRXVf /dev/st0 /mnt/sys3 > /var/log/brubackup.log3.`date +%a` 2>&1
# Nightly backup script for BRU # Backup the local system first, in 3 pieces # Ensure default bruxpat is in use BRUXPAT=/etc/bruxpat ; export BRUXPAT mt -f /dev/nst0 eod # moves the current tape to end of data bru -cvmRXVf /dev/nst0 / > /var/log/brubackup.log1.`date +%a` 2>&1 bru -cvmRXVf /dev/nst0 /home >> /var/log/brubackup.log1.`date +%a` 2>&1 bru -cvmRXVf /dev/nst0 /u3 >> /var/log/brubackup.log1.`date +%a` 2>&1 # Backup System2, 2 pieces bru -cvmRXVf /dev/nst0 /mnt/sys2/home > /var/log/brubackup.log2.`date +%a` 2>&1 # Need to use bruxpat.sys2.root to preclude backing up home BRUXPAT=/etc/bruxpat.sys2.root ; export BRUXPAT bru -cvmRXVf /dev/nst0 /mnt/sys2/ >> /var/log/brubackup.log2.`date +%a` 2>&1 # Backup System3, all in one # Return to default bruxpat BRUXPAT=/etc/bruxpat ; export BRUXPAT bru -cvRXVf /dev/nst0 /mnt/sys3 > /var/log/brubackup.log3.`date +%a` 2>&1 ![]() BRU Manual
Instructions:
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Last modified: Thursday, 13-Apr-2000 14:58:36 MST