[Bug-tar] Problem with GNU tar backup scripts

[Sergey Poznyakoff]

Barve, Saurabh Contractor, Digital Consulting Services \(DCS\)"
<address@hidden> wrote:

> I'm using the backup scripts provided with GNU tar version
> 1.15.1. However, the backup script always fails on me with an error.
[..]
> The log files generates this error report:
[..]
> CMD: exec /bin/tar -c --format=gnu --multi-volume --one-file-system --sparse 
> --volno-file=/etc/backup/volume
>  --blocking=124 -f "/dev/nst0" 
> --listed=/root/testtarinstall/etc/tar-backup/temp.level-0 --label='Full 
> backup of miscellaneous files at 2006-01-23'
> /bin/tar: Cowardly refusing to create an empty archive

Judging by this, your BACKUP_FILES variable contains only
whitespace. Either provide a meaningful BACKUP_FILES variable or make
sure it is empty or unset.

Regards,
Sergey