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Status Planned for future release
Workspace z/OS
Categories USS
Created by Guest
Created on Dec 9, 2022

USS command bpxwmigf need to force a swap

I am using bpxwmigf uss command to help to migrate from HFS to ZFS, and also from a ZFS to another (extended) ZFS. It is very useful and reliable.

But sometimes it fails to swap to the new ZFS due to message :

status.......: swap deferred at 08:31:23 12/05/2022 GMT

defer reason.: 05460676 JrSwapDirInUse: One or more directories are actively being read during a migration swap attempt


It occurs quite often that a unix task perform many open/read/write i/o in a loop. So the ZFS never swap. There is never off pike hours...

It is not easy to find the culprit and to stop/start it on a Production system.

I need a way to "force" the swap, even if the I/O are delayed for a while.

Is it possible to get such command?

Idea priority High