Hidden Value details
commands and procedures in MPE that can improve your productivity
with HP 3000 systems. Send your tips to firstname.lastname@example.org
Edited by John Burke
acquired an HP 3000 937LX, with no video output, but only a mini-DIN
port for attaching a serial console. What are the pinouts, or is
there an adaptor for this port?
Alfredo Rego replies:
I made a
cable for my Mac PowerBook thus:
DB9 to MD6 (male)
If you use a PC, you
can plug the DB9 connector directly to your serial port. On my Mac, I
use a USB adapter. The MD6 connector goes into your HP 3000s
I am running
FILERPT from the Contributed Software Library. After reading the
logfiles, it summarizes like this:
types of log records:
29013 5 :
102 : NM Log: Job init
103 : NM Log: Job termination
115 : NM Log: console
16513 205 :
I am getting
high numbers for log type 205. What is log type 205, since SYSGEN
SYSLOG will only go up to 163?
Bill Cadier replies:
Log type 205
is the Posix file close record type. Turn on type 105 and 205 is also
on for any files whose names are in the Posix namespace. While
Ive never seen this used, the code says we now use type 305 for
large files (>4GB).
I want to upgrade my
tape drives from a DDS-3 to either a DLT8000, or an LTO drive. I know
about the DLT drive, but can the LTO work on the 3000? What are the
pros and cons?
Yes, you can
have an LTO Ultrium drive on an HP 3000. It must be a
PCI-architecture machine (A- or N-Class) and must be running 7.5 with
a patch. The pros are simple. Given a proper machine (an un-crippled
model of N-Class server) and the appropriate backup software, you can
really get some speed on the backups. Another benefit is the amount
of data that will fit on an LTO Ultrium tape. The LTO Ultrium tape
holds 100Gb native, and adds compression for even greater
The cons? Cost, for one.
The other is the fact you have so much data on one tape. If you lose
the tape or its bad, you can have some issues. The main issue
you will face in using LTO is being able to feed the tape fast
enough. The MPE machines are slow, unless you have the uncrippled
N-4000, preferably multiprocessor, with some fast disk drives. Even
if you could connect the LTO drive to non-PCI systems (bypassing the
problem of connecting LVD devices to HVD HBAs, which can be done with
more hardware) they are far too slow to properly use an LTO. DLT is
the best you can do.
What is the
easiest way to install a laser network printer on a remote
John Pitman replies:
necessary things are that the printer is reachable over the network,
and it is PCL capable. We have 3000s in Australia, Houston, and
China, coupled by VPN, and anybody in any site can print on a printer
in any other site that is configured on their local system. PCs on
the local net can use them too, if configured.
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