rsync - Oct 2005 - [Bug 3175] New: devices and --link-dest don't seem to work together

https://bugzilla.samba.org/show_bug.cgi?id=3175

           Summary: devices and --link-dest don't seem to work together
           Product: rsync
           Version: 2.6.7
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: core
        AssignedTo: wayned@samba.org
        ReportedBy: foner-rsync-bugzilla@media.mit.edu
         QAContact: rsync-qa@samba.org
                CC: foner-rsync-bugzilla@media.mit.edu


[I'm using the version from the 20051014 nightly snapshot, on Ubuntu Breezy
5.10, which is a Debian-based system, and using an ext3fs filesystem.]

It doesn't appear as if rsync correctly hard-links devices together.  This
came
up in the context of dirvish runs which happen to include some filesystem trees
of older versions of entire OS disks, so they've got /dev directories in
them,
etc.  dirvish is supposed to crosslink snapshots with each other (courtesy of
--link-dest), but it wasn't doing so for these files.  And I can't get
rsync to
do it when I invoke it manually, either---it just always creates the devices
anew.

I'll either attach (if this bugzilla lets me) or add as a second comment (if
it
doesn't) a transcript showing this behavior.  (There are some pointless
switches
such as -z in those transcripts because I'm trying to alter the dirvish
invocation of rsync as little as possible in testing.)  This seems like a bug,
since I have no problems manually hardlinking these files together with ln -f,
and it's annoying since it clutters up my logs with thousands of spurious
transfers (even though dev files are small, they shouldn't be getting
redundantly transferred night after night because of this).

Thanks!

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