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Re: NetView over XWindows?

To: nv-l@lists.tivoli.com
Subject: Re: NetView over XWindows?
From: James Shanks <James_Shanks@TIVOLI.COM>
Date: Thu, 3 Feb 2000 12:43:37 -0500
There are two issues here, not one.
(1) How does NetView work over a normal X GUI, and
(2) How does NetView work over a particular emulated X GUI.

I can answer the first.  I don't know about the second.  We do not use emulators
on a regular basis, though some individuals do, and we do not test the product
with them.  Our job is done when the X GUI works.  It is up the particular brand
of X emulator to reflect that on the emulated display.

Do you need a read-write map open to see status updates on a read-only map?
The answer is "no".

For an already-discovered object, present on the map at the time it opened, the
icons will change color as status is updated.  I just tried it with the 5.1.2
boxes on my desk.   I opened the only map read-only (netview -ro), did a locate
and opened the segment submap and the collections submap (the collection was on
SNMP-supported objects), and saw my other box (this one I am using to send notes
with).  It was green and normal.  I simply shut it down and watched the other
box, the one with the open read-only map, and waited for the events to come into
the event display which indicated it was down.  The icon on both submaps I had
opened turned red as expected when the events were in the display.   I then
powered up the down box and shortly thereafter netmon noticed it, and once again
I got the Up events and the icons turned green at about the same time.  This
proves conclusively that status will propagate correctly to a read-only map when
there is no read-write one opened.

Now, if this isn't what you see on your X GUI then you have a problem that you
should notify NetView Support about.  Note that I am not talking about devices
discovered after your read-only map is opened, or about devices coming and going
into collection submaps based on status.  A read-only map will not re-position
an icon without a refresh, but if we are talking about just the color of an
existing object, this should propagate fine.

Hope this helps

James Shanks
Tivoli (NetView for UNIX) L3 Support



Leslie Clark <lclark@US.IBM.COM> on 02/03/2000 10:58:50 AM

Please respond to Discussion of IBM NetView and POLYCENTER Manager on NetView
      <NV-L@UCSBVM.UCSB.EDU>

To:   NV-L@UCSBVM.UCSB.EDU
cc:    (bcc: James Shanks/Tivoli Systems)
Subject:  Re: NetView over XWindows?




About this business of needing a r/w map open for r/o maps to work:

I have heard this rumor here before, but I have trouble believing that it
is working as designed.  Has anyone taken it up with support and been
officially notified that a stand-alone R/O map will not reflect status
correctly? I am just about positive that this has not always been the case,
and I don't see it documented as a feature....

If I were not getting status updates, I would suspect that the ipmap
process
for that user had failed, possibly due to insufficient ulimits.

I would appreciate word from anyone who has been given this information
by Support, as opposed to just observing what works and living with it.

(Now watch me get in trouble with Support for asking questions like
this....)

Cordially,

Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
Detroit
===========================================================

Mark,

If you do not have read/write access to the map it will not update unless
you do a map refresh.

-----Original Message-----
From: Discussion of IBM NetView and POLYCENTER Manager on NetView
[mailto:NV-L@UCSBVM.ucsb.edu]On Behalf Of Mark Marcelissen
Sent: Wednesday, February 02, 2000 3:06 PM
To: NV-L@UCSBVM.ucsb.edu
Subject: NetView over XWindows?


I am attempting to have a NT client off a NetView for UNIX using Exceed.

I am sending the DISPLAY back to my NT desktop from the NetView for UNIX
server
, it displays OK and the Menus work, BUT, the maps or submaps do not update
with status changes. For example: Nodes is a critical state.

A  FILE-REFRESH MAP updates the screen.

A NetView session is already running when netview is executed from the
command line.
Has anyone attempted this or is this a known problem?

Mark M.
DFAIT


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