Appendix
A
The Life Cycle of a Job
All jobs start life in one of two ways, i.e. manually
created by a user sat at a computer
screen using the TrueNET GUI, or via the TrueAPI.
In each case, they start life as
'Scheduled'. This means that TrueNET knows about
the job, and will allocate
duplicator resources to the job as soon as they
become available, in job order.
If images used by the job are not already on the
duplicator's hard disk, the images
must be transferred over the network to the duplicator.
This state is known as
'downloading'. Once all images are downloaded, TrueNET
will attempt to queue the
job within the Duplicator. If the Duplicator is
able to queue the job, the state becomes
'Queued'. Once the duplicator has resource (i.e.
drives or printer) to start the job the
status will change to 'Running'. On completion,
the duplicator will delete any
temporary images that were downloaded and TrueNET
will enter the 'Done' state.
If at any time during this process the job encounters
an error, i.e. the input hopper
become empty, the job status will change to 'Error'.
The job will automatically restart
and resume the 'Running' state once the problem
is corrected. Some errors cannot be
corrected (like the image does not exist), and therefore
the job cannot restart. In this
case, the user should delete the job.
Scheduled
The job has been created, but TrueNET has not yet
allocated resources to the job.
Downloading
The images for the job are not on the Duplicator's
hard disk, and are currently being
downloaded prior to the job starting.
Building
The image does not exist on the duplicator's hard
disk, and is being built 'on-the-fly'
as it is downloaded prior to the job starting.
Downloaded
The image required for the job are now located on
the Duplicator's hard disk. The
duplicator does not yet have room for the job in
its internal queue.
Queued
All images are on the Duplicator's hard disk and
the job is in the Duplicator's internal
queue. The job will start as soon as resources (i.e.
Recorders or Printers) become
available.
Running
All images are on the Duplicator's hard disk, and
the job is now running.
Done
The job was completed as requested. Any images that
were automatically downloaded
from the PC to the Duplicator's hard disk (as temporary
images) have been deleted
from the Duplicator.
Error
The job is in an error state, i.e. the input hopper
is empty, or other such errors. Error
states almost always require the operator's attention.
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