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TAR fails a cron backup only when using the device library /etc/default/ltar. Why is this happening and how do I fix this?

April 26, 2017backup cron Default device fails Fix happening library tar

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TAR fails a cron backup only when using the device library /etc/default/ltar. Why is this happening and how do I fix this?

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1. Everything works fine from ‘ltmenu’. 2. Everything works fine from the command line. 3. Add the following entry to ‘root’ crontab file: 30 15 * * * exec lone-tar cv8 /tmp >>>>> FAILS! 4. Add the following entry to ‘root’ crontab file: 30 15 * * * exec lone-tar cvfb /dev/rStp0 20 /tmp Works! 5. Eliminate lone-tar by using a ‘tar’ command: 30 15 * * * exec tar cv8 /tmp Works! 6. Since ‘tar’ worked using archive8, copied ‘/etc/default/tar’ –> ‘/etc/default/ltar’ just in case ‘/etc/default/ltar’ was corrupt, and this did not solve the problem. 7. We have compared permisions on /etc, /etc/default, /etc/default/ltar, /bin, /bin/lone-tar, /etc/cron, the complete directory structure of /usr/spool/cron/crontabs/root, and everything is set correctly.