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Appendix Worksheet
Filling out the worksheet
You should fill out a separate worksheet for every host in the network that is to
use the distributed spooler system. First enter the name of the relevant host in
the network in the top left field “Host name”. The computer will later be entered
as an Xprint V7.0 host under this name. In the field to the right of it you can
enter the location of the computer for your reference.
Then find out the overall disk capacity in Mbytes for the relevant host and the
free capacity in percent. You need this information to decide whether this host
is to receive a copy of the Xprint V7.0 database or not. Together with the
responsible system administrator you can then define whether a copy is to be
made or not. The database must be stored on at least one of the computers in
the network. To guarantee availability, however, it is advisable to have several
copies in the network. In addition, hosts which do not hold a copy of the
database (what are called parasite hosts) can only use Xprint V7.0 if the
supporting host assigned to them is running with the database. In addition, the
processor architecture (Intel, RISC) of the parasite and the supporting host
must be identical. The database is then shared via a network file system such
as NFS.
You should only forego copying the database if the relevant host has little
or no free disk capacity.
When you have defined whether a copy of the database is to be stored on the
host, decide on the host type of this computer. If the host is to run without a
database, enter PARASITE in the “Host type” field.
If the host is to hold its own copy of the database, you must still decide whether
it can be the master host, i.e. whether this host can take over the administration
of the database and its distribution on the other hosts with a database, or
whether it can only play a passive role. The default for defining a new host is
potential master, i.e. the host can administer the database. In this case enter
POT_MASTER in the “Host type” field.
If the host is to hold a passive copy of the database only, enter SLAVE in the
“Host type” field of the worksheet. A slave can still use the printers of all the
other slaves and the connected parasite hosts in the event of all potential
masters failing.
Next, you should note down all the printers connected to the host. First enter the
specifications for the “Type”, “Port type” and “Device address” in the corre-
sponding columns of the table. Under “Type”, for example, note the type
identifier of the printer, such as HP-Laserjet or PostScript.
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