After RO98349, a CV may run short-on-storage (DC015007) in pools 255 and then 0.
Dump analysis shows they are filling with control blocks containing a RIPA eye-catcher.
Apar RO98349 causes this.
CA-IDMS, any supported release.
Remove RO98349.
A new APAR to resolve the problem RO98349 fixes without failing to free the RIPA control blocks is being developed.