SAP Basis

Unit 10: Including Printers in SAP Systems ADM100
If you expect a significant workload due to front end printing, you should
configure at least one additional spool work process for each front end
printing spool server for other tasks.
As already mentioned, you can classify output devices and spool servers.
To classify an output device, select it (in transaction SPAD under Output
Devices) and call the path Edit → Classification in the menu.
Advantages of Logical Spool Servers
Hint: It is also possible to specify an alternative server and to allow
load balancing for real spool servers.
Using logical spool servers, it is possible to set up downtime security for
physical spool servers. If the load balancing option is used, the downtime
security option obviously exists, since no tasks are assigned to a resource
that is not available. Sequential output processing for a device prevents
the use of load balancing for the output requests for this device, as noted
in the course material. An additional feature of using logical spool servers
is the simplified transport of complete print landscapes. However, it
is worth mentioning that there is also a simple tool for mass changes to
output devices (for example, after a transport) available under “Utilities”
in transaction SPAD.
Downtime Security
When creating a spool server (either a logicalserveroraspoolserver),you
can specify an alternative server. If the normal server is not available, the
SAP system attempts to use this alternative.
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