Linux – rsync from linux host to fat32

fat32linuxrsyncusb

i like to backup my linux based NAS (small files like picutres) to an attached USB Disk with FAT32.
For this i like to use rsync.

I know, that this will not work correct per default. rsync will sync the files again and again.
I found this question and answers: How can I use rsync with a FAT file system?

But, even if I use the --modify-window=1 and --size-only option, all files are processed again. The log looks like, rsync tries to set permission/ownership on fat32, which will fail.
rsync: chown "<filename>" failed: Operation not permitted (1)

Question is: is there a way to disable the "chown" command?

//Edit:

currently I use the following command: rsync -a --modify-window=1 --size-only /data/ /mnt/backup/. &

Best Answer

Just don't use the options for syncing owner/group. If you are using the --archive/-a option this includes those two, so instead specify the flags individually and leave those out. Check the man page for a list of what --archive implies.

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