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тАО10-15-2005 12:57 AM
тАО10-15-2005 12:57 AM
Reboot from dka0: to ewa0:
Now, i will reboot the machine into the ewa0-device (diskless NetBSD) from OpenVMS. But i dont now how.
At the moment i shutdown the system manually and on the SRM-console i enter the comands:
> boot dka0 (for OpenVMS)
or
> boot ewa0 (for diskless NetBSD)
How can i reboot from dka0: to ewa0: ?
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тАО10-15-2005 01:27 AM
тАО10-15-2005 01:27 AM
Re: Reboot from dka0: to ewa0:
regards Kalle
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тАО10-15-2005 02:59 AM
тАО10-15-2005 02:59 AM
Re: Reboot from dka0: to ewa0:
as Kalle said, there is no 'supported' way of rebooting from a device other than BOOT_DEV, i.e. the last device the system has booted from (typically same as BOOTDEF_DEV).
I've found an unsupported program called DEFAULT_BOOT.C at:
http://wwwvms.mppmu.mpg.de/vmssig/src/C/default_boot.c
This example program seems to come from Steve H. from OpenVMS engineering.
With appropriate modifications, this UNSUPPORTED program might do want you want to do.
Volker.
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тАО10-15-2005 05:06 AM
тАО10-15-2005 05:06 AM
Re: Reboot from dka0: to ewa0:
A word of caution regarding the UNSUPPORTED stuff by Steven H.
It has crashed a dual CPU DS25.
I'm still investigating why. On a single CPU system it seems to work.
Regards,
Kris (aka Qkcl)
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тАО10-15-2005 09:49 PM
тАО10-15-2005 09:49 PM
Re: Reboot from dka0: to ewa0:
Joseph
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тАО10-15-2005 10:28 PM
тАО10-15-2005 10:28 PM
Re: Reboot from dka0: to ewa0:
feel free to mail me the CLUE file from the crash.
According to the Alpha ARM, some console callback routines must only be invoked from the primary CPU, but GET_ENV and SET_ENV do not seem to be affected by this restriction.
Volker.
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тАО10-16-2005 06:34 PM
тАО10-16-2005 06:34 PM
Re: Reboot from dka0: to ewa0:
feel free to mail me the CLUE file from the crash.
Unfortunately, shortly after the crash we experienced another one (in DECnet) that has overwritten the one caused by default_boot.
According to the Alpha ARM, some console callback routines must only be invoked from the primary CPU, but GET_ENV and SET_ENV do not seem to be affected by this restriction.
I'm currently adapting the program so it can run on the primary CPU only. Still have to find a window for testing it (do not want to crash that system again in the middle of the day (development system)).
Regards,
Kris (aka Qkcl)
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тАО10-16-2005 06:42 PM
тАО10-16-2005 06:42 PM
Re: Reboot from dka0: to ewa0:
CLUE files won't be overwritten, you'll find the most recent of them in CLUE$COLLECT:CLUE$*.LIS. As the CLUE file is automatically created from the dump during startup, the crash information will only be lost, if there is a crash during startup before the CLUE$SDA detached process created by @SYS$STARTUP:CLUE$STARTUP has completed.
Volker.
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тАО10-16-2005 08:44 PM
тАО10-16-2005 08:44 PM
Re: Reboot from dka0: to ewa0:
CLUE files won't be overwritten, you'll find the most recent of them in CLUE$COLLECT:CLUE$*.LIS
Somehow that particular CLUE file got lost. Don't know why yet. So sorry.
Kris (aka Qkcl)
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тАО10-17-2005 03:50 AM
тАО10-17-2005 03:50 AM
Re: Reboot from dka0: to ewa0:
I'm thinking about a totally other way:
If the console is plugged into a Terminalserverport, you can use Kermit or a console manager (like PCM) to give the instructions!
Like:
SHUTDOWN
(Wait until "shutdown completed")
CTRL/P (If necessary)
BOOT EWA0:
Hope that helps!
Bye Kuddel