Rework the flow of replication read to respect FAULTING bit logic.  Also handle all error cases better.  I did iozone/selfbuild.  I also did replication using the sliod as source and destination as well.
Rework the flow of replication read to respect FAULTING bit logic.  Also
handle all error cases better.  I did iozone/selfbuild.  I also did replication
using the sliod as source and destination as well.

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable