I have a Raspberry Pi 2 I use to run rsync to do a backup of the CentOS server on the LAN. I use the same script. Tonight when I ran it, I noticed it listed files for transfer which were part of the legacy system that was archived about 2 months ago. Nothing in that area should have been changed since the last backup using rsync which was a day ago.
After it completed, I looked at the source and didn't access any changes to the files recently at all. I then issues a find command on the CentOS system to see if I overlooked what might have been changed:
find . -atime -1
Nothing was returned. I tried it going back 10 days and nothing showed. Why would the rsync run on the Raspberry Pi 2 list areas of the Legacy backup if nothing had been changed? Could this be a bug in rsync on the Pi?
After this, I ran the rsync backup again, and it completed without any files being transferred which is what I would normally expect running it a second time after a backup had completed 30 minutes ago.
The rsync command on the Raspberry Pi 2 looks like this:
/usr/bin/rsync --delete-after -av --stats --exclude="lost+found" root@server:/home/ /2TB_lacie_thunderbolt