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VAX Alpha 2100 system hung up VMS ver. 7.1

VAX Alpha 2100 system hung up VMS ver. 7.1

VAX Alpha 2100 system hung up VMS ver. 7.1

We currently have a system disk that is low on free space that is preventing the system from starting up.

The system goes into a loop because there is not enough free space to start the Queue Mananger.

Does anyone know of a quick way, from the boot statement po>>>   that will allow us to by pass the normal startup
to just boot up to DCL ($) so we can edit the startup to prevent the Queue Mananger from starting up.....

RE: VAX Alpha 2100 system hung up VMS ver. 7.1

You can avoid the normal startup by using the following (I don't have a system in front of me, you should check the syntax - it's been quite a while since I had to do this)...

>>> b -fl 0,1
(assuming your system disk is already set to the default boot device, and the system root is "1" - change the command appropriately if not...)

(at the next prompt, I think the following does it - use HELP if it doesn't)


(Record the settings for all STARTUP* params for the system. Specifically, look for one indicating something like startup.com or systartup.com - sorry, been so long I can't recall precisely which one it is)

When you find the param with the above *startup.com as the definition, set THAT parameter to OPA0: (the system console)

(I think you need the ":" - can't recall)


The system should boot, but will not have ANY of the normal system startup stuff running - be careful what you do with the system in this state!!!

There is some funny stuff re the passwords with the system in this state - I think it actually asks for the system account password twice - just do what it asks, and hopefully it will let you into the system...

I think when you shutdown the system after this, you may need to reset the startup to the previous flag, or it may retain the above startup command - hence the recording of the previous settings.

Hope this helps!

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