ESCOMP / ESCOMP/CTSM

Do new rpointers actually work when running NINST>1 starting from a single instance case?

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investigation priority: low size: small testing
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Description

I see this code:

https://github.com/ESCOMP/CTSM/blob/7ff60613ddb8235396e0098b67bf0dfa79195e28/cime_config/buildnml#L315-L332

There is no mention of the rpointer timestamp, which means, if you start an NINST>1 case from a NINST=1 case with rpointers like `rpointer.lnd.XXXX-XX-XX-XXXXX` there will never be rpointers created for the multiple instances.

Also, right now there are no tests for multiple instances afaik. I do not run multiple instance cases, however, I assume calibration ppl do.
@adrifoster do you use NINST in you fates calibration?

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