2083 stmf: worker manager doesn't scale workers anymore (backport to
stable-3.1)
SUP-848 backport SUP-772 COMSTAR task waiting pressure doesn't increase worker
thread pool sizing above initial value
NEX-847 backport SUP-765 When a Windows Clustered Shared Volume is
placed on a pool under Nexenta HA Cluster control the clustered shared
disk looses its PGR3 reservation to the presented zvol.