Leslie's right (of course). ntl_reader is the process started by the nettl
-start command.
Many of the older NetView daemons implement nettl logging and tracing,
which was developed by HP. Essentially they log important messages (info,
error, warning, critical) to a shared memory segment. This avoids having
a serialization problem or delays with many processes trying to write the
same physical file. The reader process reads that shared segment and
pulls the records from it for inclusion in a log, so that the segment does
not grow in size.
The logs themselves wrap. First NetView writes to nettl.LOG00, then
LOG01, then back to LOG00 again. What's included in the log depends on
how nettl was started. nettl can also provide a trace function that
works in the same way. You can start, stop, and change the options for
nettl using serversetup Diagnose --> Set subsystem tracing and logging
options (nettl).
The records that are written to the nettl log and trace files are in
binary, just as they are in the shared memory segment, so you have to
format them using the netfmt command. The easiest way to do that is just
"netfmt -f /usr/OV/log/nettl.LOGxx > my_formatted_nettl.LOGxx" where xx
is either 00 or 01, but you can also specify very precise subsets to
whittle down the output.
See the man pages on nettl and netfmt for more details. See also the
Diagnosis Guide for usage examples. Some of the nettl output is quite
useful for problem determination, but much of it may not be any help to
you without knowledge of the internal code.
James Shanks
Level 3 Support for Tivoli NetView for UNIX and NT
Tivoli Software / IBM Software Group
Leslie Clark/Southfield/IBM@IBMUS
12/04/2002 09:19 AM
To: nv-l@lists.tivoli.com
cc:
Subject: Re: [nv-l] ntl_reader
It is involved in the generation of the nettl.LOGxx files.
Cordially,
Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
Detroit
Robin James
<robin.james@thal To: NetView
Discussion <nv-l@lists.tivoli.com>
esatm.com> cc:
Subject: [nv-l] ntl_reader
12/04/2002 04:26
AM
Anyone know what the process called ntl_reader does because I can't find
it in the documentation?
We're using Netview 6.0.3 on Compaq TRU 64 UNIX.
--
Robin
email: robin.james@thalesatm.com
tel: +44 (0) 1633-862020
fax: +44 (0) 1633-868313
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