Breaking autoboot sequence

[nmbargo]

All,

How do I break the autoboot on a Tru64 5.1 built by a previous sysadmin (no longer here/avail). I need to load new OS on the server but it autoboots and we don't have any login info (including root). Is there a way to interupt the autoboot process so I can run the boot from cd command?

Thanks,

nmbargo

 

[dblair]

boot -flags s
To bbot Unix into single user mode from firmware prompt >>>

 

[dblair]

boot -flags s
To boot Unix into single user mode from firmware prompt >>>

 

[nmbargo]

dblair,

Thanks for the replies. The prob was it wasn't halting at prompt and going to a login that noone here had. I found out that Tru64 Alpha's actually have a halt button you can hit at the right time to get the prompt.
My (alpha) kingdom for HP's....

nmbargo

 

[johncb]

You can get back to the SRM by issuing:

shutdown -h now

This will shutdown the system in an orderly manner and halt at the SRM console.

Regards,

John

 

[sbrews]

I dislike autobooting for a lot of reasons - but I digress.
To "fix" this, you will need to shutdown the system:

shutdown -h now

when this is done, the system should be at the >>> prompt.
At the >>> prompt, type: set auto_action halt
Then type: init

Once the system has finished initializing itself, you should be back at the >>> prompt. You can now boot from the CD or other bootable media.

Note: if the system should crash for some reason, with the above setting, it will not reboot itself.

 

[johny2K]

you may try to check first the devices under SRM console, by:

>>> show dev

* this will show you the devices and to boot from a particular device, try;

>>> boot <device> -fl 3

where <device> is any from disk, floppy/tape drive or cdrom.

CDROM in my ALPHA server's &quot;dqa0&quot;; so -

>>> boot dqa0 -fl 3

 

[mrmac228]

if you don't have a halt button, I've found that if you reboot the system and just after init has finished, Ctrl-C works. You may need a few and you do have to time it right but you do get the chevrons.