Wanting to know what happened, I created a small test to see what was going on: copying a 10GiB file from one disk to the other. I made sure that the ext4 file systems involved were completely fresh ...

So, we have two mail servers on Red Hat Linux (5.2). The primary server rsyncs changes in the saved mail directory to the backup server (a clone, essential, a warm standby). To ease network load, we ...

Nowadays cp -a works well everywhere (in my experience) so there's no need to resort to tar. BSDs included? In my experience they've been mighty picky about the GNUisms (or "things that would have ...