reopen pools for writing to a higher utilization; allow dynamic/monitoring tools to disable writing at threshold;  sense7 stays disabled until problems get fixed up
reopen pools for writing to a higher utilization; allow dynamic/monitoring tools to disable writing at threshold;  sense7 stays disabled until problems get fixed up

git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@21042 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

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