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BUILD, CLEAN and overlay commands return the error message:
"Fatal Error(VREADR) Bad Irec"
The error is intermittent and only occurs when a remote device is used.
This error occurs during the sorting phase of the command. The sorting phase sorts the overlay or arc segments for subsequent reconstruction of the arcs and nodes. During sorting the record contains the segment coordinates and a topology record pointer.
The records are written to a vfile, using VWRITE. This routine in turn calls MFILE routines. During the MFILE buffering process, the buffer is corrupted, and records are written with a zero topology pointer. The MFILE buffering system seems to conflict with the OS buffering and depends on timing related to network traffic.
There are three possible solutions to this issue.
Note: This option may not fix the problem in all cases.