A --exclude-checksum option?
Karl O. Pinc
kop at meme.com
Sun Feb 17 13:05:48 MST 2013
On 02/17/2013 01:59:02 PM, Wayne Davison wrote:
> On Tue, Feb 12, 2013 at 12:42 PM, Karl O. Pinc <kop at meme.com> wrote:
>
> > It occurs to me that a handy solution might be to have an rsync
> option,
> > similar to the --exclude option, which would allow checksumming to
> happen
> > throughout most of the ackup process but would do "regular"
> size/timestamp
> > based backups on certain directories.
> >
>
> One thing you could do is to apply the checksum-reading.diff patch
> and
> then
> generate a checksum file (using the included perl script) for the /
> tmp
> dir
> right before doing your rsync run. That would cache the file's
> checksums
> and not re-read the files unless the perl script notices that the
> ctime has
> changed (which will cause it to update the cache file). A patched
> rsync
> will read the checksum from the cache file instead of re-computing
> it,
> which should solve your issue.
Thanks much, but what I've done is persuaded the sysadm
to mount the fs relatime -- which makes the problem go away. :-)
Karl <kop at meme.com>
Free Software: "You don't pay back, you pay forward."
-- Robert A. Heinlein
More information about the rsync
mailing list