[CentOS] Relabel /usr directory

Wed Feb 5 08:15:42 UTC 2020
Pete Biggs <pete at biggs.org.uk>

> The -X option to rsync will copy all extended attributes from the old to
> the new filesystem.

Yes, I discovered this when I rsync'd a whole 4Tb filesystem and the
backup system decided everything had changed because the attributes had
changed.  I've settled on using "rsync -avHAX ..." and that seems to
keep everything preserved.