ARCHER2 File copy failures (2024-02-15)

The error will potentially affect all Rose/Cylc suites that use the postproc app, which stages data on ARCHER2 prior to transferring it to JASMIN.

As a matter of urgency:

1. All suites that use postproc should be paused now.
2. Users need to check on ARCHER2 that post-processed data is complete and not corrupted.
3. Users need to check on JASMIN group workspace and tape that post-processed data is complete and not corrupted.

CMS will deploy a fix to postproc shortly.

If data corruption has occurred, UM suites will need to be re-run.

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