DSNB1GWB
DSNB1GWB gets a free buffer from the Virtual Pool. This obtains a page in the Virtual Pool into which a page from a physical I/O can be placed.
Hints
This means physical I/O is occurring.
Reference Sources
IBM Db2 for OS/390, Application Programming and SQL Guide, SC26-8958
IBM Db2 for OS/390, Administration Guide, SC26-8957