Symptoms:
While running a minor upgrade within Greenplum Data Base (GPDB) v5.x, gpstart fails with no error message.
20181114:23:08:02:024802 gpstart:smdw:gpadmin-[INFO]:-Commencing parallel primary and mirror segment instance startup, please wait...
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20181114:23:18:20:024802 gpstart:smdw:gpadmin-[INFO]:-Process results...
20181114:23:18:20:024802 gpstart:smdw:gpadmin-[CRITICAL]:-gpstart failed. (Reason='') exiting...