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Suggested Troubleshooting Training Exercises

 
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Volker Borowski
Honored Contributor

Re: Suggested Troubleshooting Training Exercises

I have another one :-)

Have two students, in diffrent rooms (of course without knowing of each other), on the same machine and let them set the clock correctly...
...but give them a diffrent timezone variable TZ in their shell.
Be more mean to use a TZ that looks ok, but has a bad entry in "tztab".
(ya, I am a nasty guy ;-)

Volker

Alexander M. Ermes
Honored Contributor

Re: Suggested Troubleshooting Training Exercises

Hi there.
Just my two cents.
If you have an EMC? disk array, switch the channels off.
Disconnect the main power after a shutdown of the machine or pull some hidden plugs.
Pull some FC plugs, but not completely.
Rgds
Alexander M. Ermes
.. and all these memories are going to vanish like tears in the rain! final words from Rutger Hauer in "Blade Runner"
Bill McNAMARA_1
Honored Contributor

Re: Suggested Troubleshooting Training Exercises

hey Alex,

When you want to choose the host where you want to have your session, ask an XDMCP server for a list. Run
X -indirect xdmcpserver as standard from the xterm directives and remote config.

assuming xdm is configured right there, you'll be presented a list of hosts to choose from.
Choose one; you'll get the login window for that host.

This is an HP-UX problem not an xterm problem!

Bill
It works for me (tm)
Alex Glennie
Honored Contributor

Re: Suggested Troubleshooting Training Exercises

Cheers Bill ..... It was my subnetting / gateways that were causing my problems .... things are improving sloowly ;)
Brendan Newport
Frequent Advisor

Re: Suggested Troubleshooting Training Exercises

And one one of my customers performed the other day (which a HP engineer kindly sorted-out);

Have a 3rd-party engineer who doesn't know HP, REMOVE 4 x 4GB disks that make a LUN from an FC30 Nike array, when the disks are already part of a volume group (though not used)then replace them with 8GB disks.

You can't see the LUN from within the OS, to either remove it or create a new one.

(The fix is get a console or laptop attached to the array and use GridManager to remove and re-create the LUN with the new disks.)
"It doesn't have to be like this. All we need to do is make sure we keep talking"(Dave Gilmour)