Rajarajan Rajamani wrote:
I am running Release 5.4 with 2 disks and am using rsync to sync between the
two. On installing the second disk I used dump/restore to mirror them and
am since using rsync for incremental changes.
However I have a problem that rsync is unable to copy some files
and I suspect it is has something to do with the suid files.
Am I missing some switch to rsync ?
This is the output ----
# rsync --archive --times --verbose --delete --links --hard-links /usr/
/backup/usr
[...]
rsync: rename "/backup/usr/bin/.login.afaGPu" -> "bin/login": Operation not
permitted (1)
It's a problem with the schg flag (and sunlnk might be similar). See
man chflags. It just so happens that suid files have been made schg to
stop them being tampered with, but otherwise suid is just a coincidence.
% ls -lsaFko /usr/bin/login
18 -r-sr-xr-x 1 root wheel schg 17192 Aug 8 23:06 /usr/bin/login*
The only solutions I could think of were 1) fix rsync to be flag aware
(hard) 2) implement something based on mtree which parsed your source
tree, chflags -R on your dest tree, did the rsync, then ran mtree on the
dest tree to fix the flags back. I haven't done either yet :-( so if
anyone has a better solution I'd love to know. 2) won't work if you run
at higher securelevel since you can't un-schg files (because it's not
secure :-)), IIRC.
--Alex
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