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08-17-2004 12:24 AM
08-17-2004 12:24 AM
Trouble stopping DECdns when shutting down DECnet-Plus
When I shut down DECnet it gets as far as:
%NET$SHUTDOWN-I-SHUTENTITY, Shutting down DNS CLERK
%NET$SHUTDOWN-I-SHUTENTITY, Shutting down DECdns
Then it just sits and waits forever (apparently). If I ctrl/c it goes ahead and apparently finishes the shutdown, but I see that there's still a DNS$Server process on the system. An ordinary STOP/ID gets rid of it.
How can I get it to shut down cleanly and automatically?
(I recall having this problem way back in the early days of DECnet Phase V but can't recall anything else about it.)
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08-17-2004 10:12 AM
08-17-2004 10:12 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
Purely Personal Opinion
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08-18-2004 02:00 AM
08-18-2004 02:00 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
I left it overnight once.
Perhaps it is waiting for some other server with a very long timeout. If so this must be default behavior as I have made virtually no changes to DECdns.
Is there a way I can find out for certain?
Thanks,
Galen
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08-18-2004 02:09 AM
08-18-2004 02:09 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
You could start a trace of directory activity (MCR CDI$TRACE) then do the shutdown
Purely Personal Opinion
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08-18-2004 02:16 AM
08-18-2004 02:16 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
Purely Personal Opinion
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08-18-2004 02:31 AM
08-18-2004 02:31 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
Do SET VERIFY before giving net$shutdown command and see where it hangs. Also, you can do reply/enable to see any opcom message appearing.
HTH,
Thanks & regards,
Lokesh
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08-18-2004 02:50 AM
08-18-2004 02:50 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
Yes, DECdns is listed first in the naming path.
The trace reveals that DECnet is repeatedly trying to look up its the address of this node itself. Here's a transcript (typed by hand, so bear with me :-) below. I have substituted "meta-names" for everything except ARDA. The other components of the full name might be considered sensitive.
BTW, this system is not clustered (VAXCLUSTER is set to 0).
[DECnet/CDI Request nnn]
Checking syntax of "NSname:.FOO.BAR.BAZ.ARDA"
[kkk] Syntax check requested
[kkk] DECdns: NSname:.FOO.BAR.BAZ.ARDA"
[kkk] valid syntax
[DECnet/CDI Request nnn+1]
==nnn+1=== DECnet/CDI lookup request for "Nsname:.FOO.BAR.BAZ.ARDA" ===
-nnn+1- first, look up node "Nsname:.FOO.BAR.BAZ.ARDA" ---
[kkk+1] lookup kkk+1: "NSname:FOO.BAR.BAZ.ARDA"
Full name: NSname:FOO.BAR.BAZ.ARDA
Synonym name: ARDA
WARNING!! Failed to translate SYS$CLUSTER_NODE_FULLNAME. Status: 1BC
Alias name :
Synonym alias name :
[kkk+1] -- Entry found in cache --
[kkk+1] Fullname: NSname:FOO.BAR.BAZ.ARDA
[kkk+1] Synonym: ARDA
[kkk+1] Towerset length: 165
- nnn+1 - next, lookup synonym "ARDA" towerset ---
[kkk+2] lookup kkk+2: "ARDA"
Full name:NSname:FOO.BAR.BAZ.ARDA
Synonym name: ARDA
WARNING!! Failed to translate SYS$CLUSTER_NODE_FULLNAME. Status: 1BC
Alias name :
Synonym alias name :
[kkk+2] -- Entry found in cache --
[kkk+2] Synonym: ARDA
[kkk+2] Towerset length: 165
CDI request nnn+1 complete, returning to Session
with lookup status "CDI operation successful"
------ End of transcript -----
By the timestamps less than one second has elapsed while these messages were logged. There follows a delay of 1 minute, and then the whole process repeats with nnn and kkk incrementing accordingly. This just keeps on repeating every minute.
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08-18-2004 02:53 AM
08-18-2004 02:53 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
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08-20-2004 01:24 AM
08-20-2004 01:24 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
Just wondering if you saw my last couple of postings here.
If I read the trace correctly, my system (ARDA) is repeatedly doing DECdns lookups of its own name, once per minute. Do you have any idea why this might be happening?
Thanks,
Galen
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08-23-2004 09:15 PM
08-23-2004 09:15 PM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
Purely Personal Opinion
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01-30-2007 05:10 AM
01-30-2007 05:10 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
It sure doesn't happen when my system reboots, or if I manually start DECnet.
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01-30-2007 05:24 AM
01-30-2007 05:24 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
SYS$CLUSTER_NODE_FULLNAME gets defined (when it does) by SYS$STARTUP:NET$STARTUP.COM.
It's a little unclear to me so far just how that script is supposed to work. It looks to see if the node is clustered (mine isn't) before defining the logical, but I haven't quite figured out the rest of it yet.
:-) So how do I award myself a few points? :-)
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01-30-2007 08:25 AM
01-30-2007 08:25 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
This shutdown problem sounded familiar, but its been awhile since we've run V7.3-2. I just checked the release notes for DECnet Plus ECO AXP_DNVOSIECO03-V732 at http://www1.itrc.hp.com/service/patch/patchDetail.do?patchid=AXP_DNVOSIECO03-V732&sel={openvms:alpha:7.3-2,}&BC=main|search|.
The problem as I recalled and documented in the release notes was that the DNS server was shutdown before the DNS clerk was shutdown. The clerk kept asking for name resolution against a non-existent server and shutdown hangs. The shutdown order had to be reversed in NET$SHUTDOWN.
Bill
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01-31-2007 12:44 AM
01-31-2007 12:44 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
I think my problem is a completely different one that shows a similar symptom, which is SYS$CLUSTER_NODE_FULLNAME not being defined.
In my case I've changed the address of a remote node. Until I define SYS$CLUSTER_NODE_FULLNAME it gets stuck trying to resolve the remote node's name
I should probably have begun a new topic since the actual problem is a bit different. Maybe I'll do that later today.
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01-31-2007 04:54 AM
01-31-2007 04:54 AM
Re: Trouble stopping DECdns when shutting down DECnet-Plus
I'm confused. Why do you think you should have SYS$CLUSTER_NODE_FULLNAME defined if you don't have VAXCLUSTER set? Did you configure an alias for this node? I'd suggest getting the latest DECnet ECO installed if it is not already and then running NET$CONFIGURE and verify all of your naming and cluster alias configurations. I would also run DECNET_REGISTER and verify the towers and naming information is correct for the node in question.
Bill
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01-31-2007 11:47 PM
01-31-2007 11:47 PM