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The best reason to avoid LF that are not in the same library as PF is to prevent ACCPTH rebuilds. When an LF is restored without the PF, the access path for that LF must be rebuilt; appearing in EDTRBDAP, and the completion logged as CPF3145 <failure as CPF3146> in QHST. What might appear to be 47 minutes could actually be several hours from the perspective of an application which opens the LF. And in the atypical case, if the LF is for a unique key and an application opens the PF before the LF is restored, then application dependence on uniqueness via LF would not be enforced and the application could end up writing duplicates; or application termination after the restore completes but the rebuild pends, if improperly written such that a program fails to handle CPF5190.

Regards, Chuck

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