This plugin checks spool and page file usage on z/VM.
# s390:~ # vmcp query alloc spool
# EXTENT EXTENT TOTAL PAGES HIGH %
# VOLID RDEV START END PAGES IN USE PAGE USED
# ------ ---- ---------- ---------- ------ ------ ------ ----
# 540SPL 9028 1 10016 1761K 357279 1593K 19%
# ------ ------ ----
# SUMMARY 1761K 357279 19%
# USABLE 1761K 357279 19%
# s390zhi126:~ # vmcp query alloc page
# EXTENT EXTENT TOTAL PAGES HIGH %
# VOLID RDEV START END PAGES IN USE PAGE USED
# ------ ---- ---------- ---------- ------ ------ ------ ----
# 540PAG 9029 1 10016 1761K 2 212 1%
# ------ ------ ----
# SUMMARY 1761K 2 1%
# USABLE 1761K 2 1%