Mackie V7.0 manual Filling out the worksheet, Appendix, 261

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.

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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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