--On Tuesday, December 23, 2003 00:32:51 -0600 Fran Fabrizio <fran AT cis.uab 
DOT edu> wrote:

> 
> Ok I think I solved my mystery....time to go do some reading.... (I forgot to 
> look at the logs over in /tmp/amanda/)...
> 
> sendsize[10129]: time 1.057: getting size via dump for /usr/local level 1
> sendsize[10129]: time 1.058: calculating for device '/usr/local' with ''
> sendsize[10129]: time 1.058: running "/sbin/dump 1Ssf 1048576 - /usr/local"
> sendsize[10129]: time 1.059: running /usr/local/libexec/killpgrp
> sendsize[10129]: time 1.062:   DUMP: Only level 0 dumps are allowed on a 
> subdirectory
> sendsize[10129]: time 1.063:   DUMP: The ENTIRE dump is aborted.
> sendsize[10129]: time 1.063: .....
> sendsize[10129]: estimate time for /usr/local level 1: 0.004
> sendsize[10129]: no size line match in /sbin/dump output for "/usr/local"
> sendsize[10129]: .....
> sendsize[10129]: estimate size for /usr/local level 1: -1 KB
> sendsize[10129]: time 1.063: asking killpgrp to terminate
> sendsize[10129]: time 2.067: done with amname '/usr/local', dirname 
> '/usr/local', spindle -1
> sendsize[10125]: time 2.067: child 10129 terminated normally
> sendsize: time 2.067: pid 10125 finish time Tue Dec 23 00:26:15 2003
> 
> Thanks,
> Fran

You need to use GNU tar (be sure its 1.13.19 or greater) to do incrementals
of subdirectories.  Some dumps only do entire filesystems, and some
will let you do full dumps of a subdirectory, but I don't think any will
do incrementals of one.

frank