PIOPAGES

   PIOPAGES specifies the size of the process I/O segment, which
   holds data structures and buffer pool space for RMS to use
   when it handles I/O that involves process-permanent files. Once
   PIOPAGES is reset in SYSGEN, any new process receives the changed
   value.

   Beginning with OpenVMS Version 7.2, the default value has been
   raised to 575. The setting has been raised to accommodate the
   increased demands for process-permanent memory that result from
   changes made to RMS file-naming parsing in Version 7.2.

   This special parameter is use by VSI and is subject to change. Do
   not change this parameter unless VSI recommends that you do so.

   PIOPAGES is an AUTOGEN and DYNAMIC parameter.