DSNB327I `csect-name` GROUP BUFFER POOL `gbp-name` HAS ADEQUATE FREE SPACE

Explanation
 The group buffer pool (GBP) coupling facility
structure has adequate space available for the writing of new pages
to the GBP.
 This message may be issued when either of the following
occurs:  
Rebuilding of GBP reduces changed page count to 60% or less of
GBP capacity.

'changed data.' entries decrease to 60% or lower when they were
previously 75% GBP capacity or higher.

System action
 Db2 processing
continues. 