Hi,
I still couldn't find a really simple test case but at least I can
provide some more details regarding this obscure issue:
- The problem only occurs when there is more than 1 file system to
sync. When I only backup "/", everything is fine, when I add another
source file system, nothing below "/var" will be deleted (I still don't
have a clue, why this occurs on "/var" but not on other paths)
- The issue has been around for quite a while: It has been introduced by
some change between rsync 2.6.4 and 2.6.5
Regards,
Peter Daum
Peter Daum wrote:
as I just discovered, in recent versions of rsync the "--delete" option
seems to not work in certain cases. I couldn't come up with a simple
scenario to reproduce the problem, so I'll have to tell the whole story:
I use rsync to regularly backup a system onto other disks. The filesystems
I want to save are mounted on "/", "/usr/ and "/data", the target is below
"/backup" (and has "/backup/usr" and "/backup/data" on separate file
systems).
the rsync command line looks like this:
rsync [other options ...] -a --delete / /usr /data /backup/
For some reason, it seems like old data below /backup/var will never be
deleted
again I don't see any reason why "/var" would be treated somehow
special, but I
couldn't find another directory where this phenomenon also occurs; the
"other
options" don't include anything referring to "/var". New data below
"/var" will
be synced, but when files below "/var" are deleted, they will stay on
"/backup/var". I don't know when this started (fortunately, I didn't
need the
backup data recently ;-), I just discovered it when the partition on
"/backup/"
ran out of space. This happened with rsync 3.03; I also tried 3.05 with
the same
result. When I tried the same command line using rsync 2.6.3, the
leftover data
on /backup/var/ was finally deleted. However, I would rather use a
recent version.
Any idea what is going on?
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