Problem: The sdeexport files generated by ArcSDE 8.1.2 on Tru64 are invalid
The sdeexport files that are created using ArcSDE 8.1.2 on Tru64 are invalid and may yield unexpected results or fail.
This is a 64-bit problem with ArcSDE 8.1.2 ArcSDE command line in UNIX.
Solution or Workaround
Install the QFE for ArcSDE 8.1.2 for TRU64 from the link below. Download "Oracle 8i Import/Export Patch for Tru64 UNIX".
This problem has been fixed in ArcSDE 8.2.