Back up an NDB with the standard IDCAMS utility functions (that is, REPRO or EXPORT). For integrity, the data set should not be open. Issue the following commands to ensure this:
NDB STOP dbname IMM LOCK UDBCTL CLOSE=dbname
Following completion of the backup, issue the following command to make the NDB available again:
UDBCTL OPEN dbname options NDB START dbname UNLOCK options
The options on these commands should agree with any standard options specified (for example, LSR/DEFER on the UDBCTL statement).
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