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тАО12-17-2009 12:38 PM
тАО12-17-2009 12:38 PM
VAXCluster Node Won't Boot Properly
Disclaimer: I'm a network guy, know next to nothing about OpenVMS and VaxClusters...
... but I have been tasked with figuring out why all satellite nodes will not boot from a MOP server unless the cluster is physically isolated from the rest of the network (which happens to contain other non-clustered VAX Machines). I believe the OS version is 6.2. Is there any logging I can do on the node and MOP server to gather more clues? Has anyone else run into something similar before?
Thanks all!
Phillip
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тАО12-17-2009 01:12 PM
тАО12-17-2009 01:12 PM
Re: VAXCluster Node Won't Boot Properly
When the node first connects, I see a message pop up on the MOP server stating "Events Load request completed."
But that's it.. Hope that helps a bit. I apologize for not being a little more technical on the VAX/VMS aspects.
Your support is appreciated!
Phillip
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тАО12-17-2009 01:13 PM
тАО12-17-2009 01:13 PM
Re: VAXCluster Node Won't Boot Properly
Chances are, however, that your networking folks have segmented the network here; you need to have a vLAN or bridge or otherwise in place, and the switch(es) here must pass traffic that your average switch jockey has never seen before, and a subset of the switch jockeys are then agast to realize doesn't involve IP. At all.
The usual approach for debug is to watch the console or an operator terminal (REPLY /ENABLE) to see the messages as the satellite bootstraps are requested and (if the stuff is working) as the downloads occur.
As for documentation, start here:
http://h71000.www7.hp.com/doc/731final/4477/4477pro_023.html#ci_appendix
You'll need the switches to pass Ethernet 60-01, 60-02, and 60-07, and probably a few other protocols. Or you'll need a bridge.
Cluster satellite bootstraps via MOP are basically the same as DECserver bootstraps, and I have some materials posted on DECserver MOP bootstraps and on NCP here:
http://labs.hoffmanlabs.com/node/183
http://labs.hoffmanlabs.com/node/271
NCP is the most common way to operate here, though you could also be using DECnet-Plus or LANCP here. (And there are links to that stuff at the above URLs.)
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тАО12-17-2009 01:20 PM
тАО12-17-2009 01:20 PM
Re: VAXCluster Node Won't Boot Properly
Check the console boot flags for whichever VAX satellites are in use here; the console syntax varies. Post up the particulars of the VAX model(s) involved, and we can get further.
The VAX hardware gear here can also be old enough that the console batteries have been drained, and weird stuff can happen then. Lost time values, settings that won't stick.
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тАО12-17-2009 01:27 PM
тАО12-17-2009 01:27 PM
Re: VAXCluster Node Won't Boot Properly
Two notes to amplify what Hoff mentioned.
First, if the batteries are dead (meaning NVRAM settings are lost), the system will power up and all settings will be default. Depending on which systems, you may also get messages asking about the language (e.g., English) etc. for the console dialog. It would be helpful to know which hardware models the satellites are.
Secondly, a LAN monitor (e.g., WireShark) is invaluable in this type of situation. A good step is to see if the MOP dialogue is behaving as expected by monitoring precisely what is being seen by the boot host.
There are many other possibilities. As Hoff noted, it may pay to get outside assistance (Disclaimer: We provide such services, as do Hoff and others who are active in this forum).
- Bob Gezelter, http://www.rlgsc.com
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тАО12-17-2009 02:01 PM
тАО12-17-2009 02:01 PM
Re: VAXCluster Node Won't Boot Properly
Thanks again,
Phillip
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тАО12-17-2009 02:27 PM
тАО12-17-2009 02:27 PM
Re: VAXCluster Node Won't Boot Properly
The hardware model number (e.g., VAXserver, VAXstation nnnnn) would also be be helpful.
The DECnet protocol suite was documented publicly. A set of the documents appears to be online at the DECnet for Linux site on sourcefourge at http://linux-decnet.sourceforge.net/docs/doc_index.html.
The actual MOP 3.0 specification appears to be at http://linux-decnet.sourceforge.net/docs/maintop30.txt.
- Bob Gezelter, http://www.rlgsc.com
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тАО12-17-2009 04:54 PM
тАО12-17-2009 04:54 PM
Re: VAXCluster Node Won't Boot Properly
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тАО12-17-2009 05:06 PM
тАО12-17-2009 05:06 PM
Re: VAXCluster Node Won't Boot Properly
>>> HELP
Key for troubeshooting the problem at hand are these two commands:
>>> SHOW BFLG
>>> SHOW BOOT
The boot flags are usually (for instance E0000001) the boot root (E) and the flags (here 00000001, conversational boot.
The boot device (for a satellite boot) is usually ESA0.
If the administrator in the environment is truly paranoid, most console access may be locked.
Reading:
http://vt100.net/mirror/mds-199909/cd1/vax/pmarioma.pdf
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тАО12-17-2009 11:17 PM
тАО12-17-2009 11:17 PM
Re: VAXCluster Node Won't Boot Properly
Steve