print servers

print servers

Post by John Woodcoc » Thu, 16 Nov 1995 04:00:00



Printer server suggestions?

Status: SS1000  (primary)       SS1000  (backup)
        Solaris 2.3             Solaris 2.3
        220 users               20 users
        100 printers            print client

        Both systems are connected to Xylogic terminal servers.
        Net 201 four terminal servers
        Net 200 three terminal servers
        Using rlogin for users
        Using rtelnet for printers
        /var/spool on primary is about 500 meg.
        We get about 50 to 75 print jobs an hour.
        Size of print jobs are between 1000 to 300,000 bytes.
                Most are probably in the 1000's

We want to offload printing to a seperate system.
Ideal print server(?):
                Sparc system (sparc 2 or maybe try x86)
                Supporting three networks
                200 & 201 for attaching to the terminal servers
                202 for talking with the hosts.  Less traffic on the user's net.
                at least 500 meg for /var/spool

        I know this will be very I/O intensive system.          

Question?

Can anyone suggest what kind of power could be used?
Could I use Solaris x86 to support this kind of load or should I stick to a
Sparc system.

I am thinking allong the lines of a Sparc 2/Classic or should I set my sights a
bit higher?

Thanks for any help given.
--
=============================================

>    John Woodcock, Sys Admin
>    Merchants Inc.

>============================================

 
 
 

1. Server will not print to a Linksys EPSX3 Print Server

We are running ULTRIX V4.2A (Rev. 47), and we are trying to move the print
services to a Linksys Printserver.

Originally, our print services used a Chase IOLAN to connect remote printers
to our ULTRIX system.

We can print directly to the Printserver with Windows 9x, and the page will
print.  We can also print from Windows 9x via a SAMBA server on the ULTRIX
system and the page will print.

But, when we try printing directly from the ULTRIX system, the printer would
be stuck in processing data and no page would print.

The printer we are using is an old HP LaserJet III printer w/PostScript
Cartridge.

The printcap is configured as shown bellow:

laser|lj|ps|Laser Jet III PostScript printer:\
        :if=/usr/local/lib/lpd/ip.hp:\
        :lf=/usr/adm/lpd-errs:\
        :lp=:\
        :rm=pserv1:\
        :rp=L2:\ # L1 for LPT1, L2 for LPT2, L3 for LPT3
        :mx#0:\
        :sd=/usr/spool/lpd/lj3:\
        :sf:\
        :sh:

The "ip.hp" filter script is as follows:

#!/bin/sh
#
# ifhp - Print simulated PostScript on HP LaserJet III

#
# Treat LF as CR+LF:
#
#/usr/local/bin/printf "\033&k2G" || exit 2

#
# Read first two characters of the file
#
read first_line
first_two_chars=`expr "$first_line" : '\(..\)'`

if [ "$first_two_chars" = "%!" ]; then
        #
        # It is PostScript; so just print it directly;
        # print a formfeed at the end to eject the last page.
        #
        echo $first_line && cat && /usr/local/bin/printf "\f" && exit 0

else
        #
        # Plain text or HP/PCL; use psflpd to scan-convert and print it
        # print a formfeed at the end to eject the last page.
        #
        /usr/local/lib/psf/psflpd && /usr/local/bin/printf "\f" && exit 0
fi

exit 2

We believe that the printer is waiting for a control character to tell it
that the job is completed, and to print the file.  We tried using a formfeed
and \004 (Ctrl-D?), but this didn't work.

Anyone have an Ideal as to why we can't print from ULTRIX to a Printserver?

Thanks.

Scot

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