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SPECIFYING INPUT PARAMETERS
XEROX DOCUPRINT 180 LPS PDL REFERENCE 4-61
Online recovery
In the event of a system failure, data that is formatted for print and
stored on disk can be imaged upon system restart if job recovery is
requested. Data which was being received and processed at the time
of the rollover is lost and requires retransmission.
The amount of data which requires retransmission depends on two
factors:
• The options specified in the VOLUME command OPTIMIZE
parameter and DJDEs that indicate the use of interleaved
graphics. If NPRECOVER is specified, up to nine data pages
are buffered in memory before being written to the disk.
• When end of report is detected, all pages in memory are written
to the disk. Therefore, if NPRECOVER is specified, up to nine
data pages would require retransmission, but not typically from
more than one report. If NPRECOVER is not specified, up to
two pages would require retransmission. If interleaved graphics
are being transmitted at the time of system failure, the amount
of data requiring retransmission depends on the number and
size of the graphics.
Note: The number of pages (n) is determined by the number of
skip-to-channel-1 commands encountered since the last set of pages
were written to the disk.