Each ILOG file is made up of one to ten subfiles. Only one subfile is in use at a time. Switching recording to another subfile prevents further writing on the previous subfile.
When an ILOG subfile is full, CA‑GSS marks it “dump required,” and the next available subfile is cleared and used for recording. When you no longer need the data on the filled subfile, you must reset it with the RESET ILOG operator command. The data in the reset subfile, however, remains intact until the subfile is actually needed for re‑use.
Note: For information about the RESET ILOG operator command, see the Reference Guide.
Whenever an ILOG subfile is full and a switch occurs, the $USER_ILOG_FULL special purpose IMOD is scheduled (if it is present). The argument string passed to this IMOD consists of the ILOG file number and subfile number. If this IMOD returns the result string RESET, the ILOG subfile is reset and made available for recording. Any other result string leaves the ILOG subfile in “dump required” status. If $USER_ILOG_FULL is not available, the ILOG subfile is always reset.
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