Bill and Rich wrote:

>Using Suprtool to create a self describing file we found the file end of
>limit would be a negative number. This was caused by a file I/O error. This
>too has been resolved and a general patch released.

>MPELX71 addresses this. The actual problem is described by the one-
>liner on the patch which reads:

>"FCLOSE w/TRUNCATE option of > 4GB file to < 4GB sets EOF to <= 0"

>The file MUST have begun life looking like it could be greater than 4GB but
>at
>close time be truncated to less than 4GB. If the file had user labels, as
an
>"SD"
>file would, the EOF went negative. Fortunate too because it stood out on a
>LISTFILE! If the file had no user labels the EOF was set to zero.

You can ask Suprtool to not fclose files with the truncate option by
putting:

  >set squeeze off

somewhere in the task.

Keep in mind that this will cause the file to retain the original calculated
flimit, but could be used as a workaround until you get the patch installed.

Neil Armstrong