Jon LaBadie <jon AT jgcomp DOT com> writes:

> On Mon, Mar 14, 2005 at 10:37:11PM +0000, Bruce S. Skinner wrote:
> > 
> > My last dozen or so emails to amanda-users have gone into a black
> > hole, I'll try this from another network under another subject.
> > 
> > 
> > So let's try and walk (crawl?) before we run.
> > 
> > I've set things up with only one small disk to be backed up, set
> > dumpcycle 0 and removed the holding disk and tape changer from the
> > config.  It's still failing.  There is a signal 13 (PIPE) error in
> > sendbackup.debug.
> > 
> 
> This will likely not assist you, just for information sake.
> 
> Most amanda admins don't realize that when indexing is on
> there are actually two tars that run.  One does the actual
> creation of the archive.  The output of this command is
> duplicated (think of the unix tee command) with one copy
> going to the holding disk or tape drive as appropriate.
> The second copy of the newly created archive is send to
> another tar which reads through it and creates a "table
> of contents" which is the index.

I was aware of this.  It also was failing and I had disabled indexing
for my testing.

> It has been my impression from the posted articles that
> about 90% of the tar pipe errors are from this second
> tar, the one creating the index from the archive, not
> the tar creating the archive itself.  I'd be happy to
> be told I'm all wrong, but it seems to be a fragile
> part of amanda that manifests itself inconsistantly
> and in such a way as to not be analyzable (sp?).
> People who have the problem seem to fumble around
> making changes and it goes away without them being
> able to point to a specific reason for the repair.
> 
> -- 
> Jon H. LaBadie                  jon AT jgcomp DOT com
>  JG Computing
>  4455 Province Line Road        (609) 252-0159
>  Princeton, NJ  08540-4322      (609) 683-7220 (fax)

-- 

Bruce S. Skinner
Defence R&D Canada - Atlantic
9 Grove St.              <mailto:Bruce.Skinner AT drdc-rddc.gc DOT ca>
P.O. Box 1012            <http://www.drdc-rddc.dnd.ca>
Dartmouth  NS
CANADA                    tel: (902) 426-3100 x205
B2Y 3Z7                   fax: (902) 426-9654