An internal counter could go negative and cause the system to stop
writing changed iasp pages to disk leading to pool starvation.
This issue only applies to V7R4 systems with an iasp and TR10
applied or V7R5 systems with an iasp and TR4 applied.
Known Issue DT397753[1]
Apply 7.4 MJ02267[2]and
vary off/on the IASP. Apply 7.5 MJ02268...