Can HP-UX WLM, gWLM, and PRM be used to manage the same system at the same time?
With one exception, the HP products HP-UX WLM, gWLM, and PRM should not be used to manage the same system at the same time. Using these products to control resources at the same time can cause inconsistent behavior and undesirable performance. However, you can use WLM and PRM at the same time if the PRM configuration uses FSS groups only (no pSet-based groups) and the WLM configuration is strictly host-based. (A strictly host-based configuration does not include a prm structure; it is designed exclusively for moving cores across partitions or for activating TiCAP or PPU cores.) You might want to use both products on the same system to take advantage of certain features of PRM that are not included with the latest release of WLM, such as PRM’s CPUCAPOFF mode, enabled with the prmconfig –M CPUCAPOFF command. (In this mode, a PRM group’s upper bound for CPU resource consumption is determined by the CAP value, available on HP-UX 11i v3 (B.11.31) or later. For more information, see the HP P
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- Can HP-UX WLM, gWLM, and PRM be used to manage the same system at the same time?
