DYNSTAT; PERCENT OF FILE AVAILABLE showing 0% after catalog disk size was increased.

Document ID : KB000123038
Last Modified Date : 14/12/2018
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Issue:
Running CA Dynam/T for zVSE v7.0

We migrated the Production environment's Dynam catalog file to a -27 disk. The activity was successful and we used DYNSTAT to verify the status. However, we are confused by the result.

The 'PERCENT OF FILE AVAILABLE' is 0%.
Why is that?

We compared this to LPAR1's DYNSTAT which we also migrated and LPAR1's PERCENT OF FILE AVAILABLE is 99%.
 
Resolution:
You shouldn't have used FCOPY to copy the catalog from the old DASD to the 3390-27 device. 

DYNCAT RESTORE REORG should always be used when moving a Dynam catalog to a new location.