PSM setup guidelines
ITEM: RTA000154935
Q:
Origin item: 05347,998,624
Topic thread:
Printer Systems (PRINT - NA/ATS)
Printing Systems Manager (PSM)
PRINT PSMAIX
Environment : AIX 4.2.1, SP/2, PSSP 2.4
PSM V 1.2.2, Server + supervisor + spooler on one node
Question :
cust complains that the manuals are not explicit
enought to help him in this: Having over 1000 printers,
cust is wondering wat the IBM suggested way (best configuration)
is to configure PSM:
one/several spoolers ? one/several supervisors ? all queues for
one spooler and several supervisor ? or all queues for
several spoolers and one supervisor ? how much ?
Additionel question :
This customers is continuesly asking PSM questions, isn't there
any clear and complete documentation available.
A:
I would be happy to give you some guidelines to follow but I cannot
architect a solution for you. If you need a solution architected you
need to go through Professional Services.
Unfortunately, there is no other PSM documentation that relates to
setup/configuration other than the standard PSM docs.
As for some standard guidelines. I am a little concerned that you are
going to be driving 1000+ printers on one SP node. There are several
factors that need to be weighed to see if that one node will be
sufficient, such as the datastream you are printing? Will it be
transformed? What is the volume? What is the size of each job? What
kind of printers are you printing to? IPDS? PCL? etc. What is the
network traffic going to be like? What size is the processor? How much
memory? How much dasd? etc. etc.Are their other apps running on this
system?
As for the number of spoolers and supervisors, it depends on the type
of printers you will be printing to, and how they are attached. Are
they going to be created as PSF DSS printers or AIX DSS printers? Are
they widely distributed? or in a central location?
PSF DSS printers are the most restrictive. AIX has a hard limit of
512 threads per process. When creating PSF printers, you will typically
use 3 threads per printer assuming only one job is printing, or being
processed by the printer at a time. So depending on the work load,
I would suggest that you only have between 150 and 200 PSF type printers
defined to any one supervisor, depending on how many printers will be
active at any one time. AIX DSS printers use less threads and
are less processor intensive. You can have 300 to 350 printers per
supervisor.
Another organization consideration, is the layout of the enterprise.
I have seen companies that organize it by department. A hospital, for
instance, may have several different buildings throughout their campus.
They put each building on a separate server/spooler/supervisor.
There are several ways to do this, but I would suggest that you go
through your local professional services and have them architect you
a solution.
I hope these guidelines help. It is a big job and not easy to do, so
good luck.
Thank you for using WWQ&A.
S e a r c h - k e y w o r d s:
psm solution architect supervisors spoolers servers sp node psf dss
organization threads 512
WWQA: ITEM: RTA000154935 ITEM: RTA000154935
Dated: 01/1999 Category: PSMAIX
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