This parameter specifies whether extended compression will be allowed on a global basis.

Note: If COMPRESS.NETMAP.OVERRIDE=ALLOW is specified, the COMPRESS.EXT value specified in the netmap ADJACENT.NODE entry will override the value specified for this parameter in the global initialization parameters.
Value Description
ALLOW Extended compression is allowed. This value is the default.
DISALLOW Extended compression is not allowed.

Modifiable through MODIFY INITPARMS command: Yes.