rsync - Dec 2004 - [Bug 1412] Bogus warnings with --backup --backup-dir=/path

https://bugzilla.samba.org/show_bug.cgi?id=1412





------- Additional Comments From bob@proulx.com  2004-12-23 09:59 -------
I do not believe this bug is completely fixed in 2.6.3.  I am still seeing many
errors of the type described.  Here is one example:

  rsync: mkdir
"/mnt/a/hpsvoh/incr-2004-12-23/home/haehre/filtered_backup/wjemulator/sherman/hppa"
failed: File exists (17)

I admit to having a hard time recreating a test case manually.  The problem may
still be one between my chair and keyboard.  I see these errors as the output of
a nightly cron run.  But when I try to recreate the test case using smaller
cases things work as desired.  So I am mostly adding this as an informational
data point to this bug report because I am at wit's end.  It still appears
to me
to be a problem with rsync.  But perhaps another set of eyes will see the root
cause of the problem.

I am using Debian woody with rsync-2.6.3-0.backports.org.1 from backports.org on
two of the machines exhibiting this problem.  On another machine with this
problem I am using HP-UX 11.11 with a self compiled version of rsync-2.6.3, but
compiled using the debian patches because I was lazy, so they might still be
coupled.  I will try a pristine source build to confirm or deny it.


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https://bugzilla.samba.org/show_bug.cgi?id=1412





------- Additional Comments From wayned@samba.org  2004-12-23 11:08 -------
Created an attachment (id=866)
 --> (https://bugzilla.samba.org/attachment.cgi?id=866&action=view)
One more patch

You are right that there was another bug that could result in this mkdir
warning message.  It was fixed in CVS on October 27, so this fix did not make
it into 2.6.3.	Sorry for not mentioning this fact as an addendum to this bug
report (before this).  I'm attaching the patch that was checked into CVS.

Prior to this patch, if a directory was being removed, rsync would try to
create a directory in the backup area to note this fact.  This often resulted
in rsync trying to create a directory that already existed.  Fortunately, there
is no real need to backup an empty directory on its own, so the new code only
creates directories in the backup hierarachy when they are needed to hold other
backup items.

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