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Status Not under consideration
Created by Guest
Created on Jun 25, 2024

Prevent from PMT / CPYT Throttling when PMTHLVL is exceeded but TS7700 is not at 100% Disk usage

Measures must be taken to avoid host I/O throttling kicking in solely based on the PMTHLVL. 

It is understandable that TS7700 prioritized work load to free up cache in order to receive new data from host. But when there is no need for Pre-Migration except the Premigration Delay limit reached, this work load should wait in favor of host I/O.

Idea priority High
  • Admin
    JP LAVIGNE
    Reply
    |
    Jun 26, 2024

    FC#5279 allows customers to purchase certain capacities of Premigration Queue. Keys are available aprox 48 hours after IBM has accepted the order via the ESS App