@David Simons are you on some older version of OPDK ? We had this issue about a year back, where the export options would only export the first page and not all records but that was fixed and rolled out to our cloud as well as for subsequent versions of OPDK. If you are cloud customer, you shouldn't see this any more, if you are an OPDK customer, let me know your software version. You could do:
curl -v http://mgmtHost:8080/v1/buildinfo -u sysadminuser:password
The output of that would tell you the version of OPDK you are running.
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