On Thu, 6 Nov 2003, Dan Bar wrote:

DB>
DB> Hello,
DB>
DB> The setup is:
DB>
DB> - 1 HP LJ printer with JetDirect
DB> - 2 lprng queues both printing to port 9100 of JD
DB>
DB> My question is: does lprng SW some kind of destination device locking?
DB> (so sending job to both queues at the *same* moment will not result at
DB> two lpd daemons to try to send job to a port 9100 at once?
DB>
DB> |----------|      |----------|
DB> | Queue 1  |      | Queue 2  |
DB> |----------|      |----------|
DB>        |_________________|
DB>                 |
DB>                \|/
DB> |----------------------------|
DB> | HP printer on JD port 9100 |
DB> |----------------------------|

Put a load balancing queue in between.


       queue1            queue2
       ss=lb             ss=lb
         |                 |
         -------------------
                   |
                  lb
            sv=queue1,queue2
                   |
                   |
                 HP LJ

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