change solaris to 32bit

#1 (**permalink**) 03-11-2002

Hi

Any one know how to change solaris 7 from 64 bit, back to 32 bit,,
i know its on sunsolve somewhere but i cant see it.
thanks

#2 (**permalink**) 03-11-2002

See the infodoc titled

FAQ on Booting Solaris to either the 64-bit kernel or the 32-bit kernel

It contains the following -

Q6. How do I configure the system to boot a 32-bit kernel?

If the Ultra machine meets the hardware and software requirements for 64-bit boot, the boot-file variable must be set to kernel/unix. If not, then the machine will boot 64-bit. The boot-file variable can be set by either the Solaris eeprom command or the OBP setenv command.

eeprom: Login as root and use the eeprom command to set the boot-file parameter to the 32-bit kernel:

# /usr/sbin/eeprom boot-file="kernel/unix"
The next system reboot will boot the 32-bit kernel.

setenv: From the system's OBP OK> prompt, use the setenv command to set the boot-file parameter to the 32-bit kernel:

OK> setenv boot-file kernel/unix

#3 (**permalink**) 03-11-2002

Works Perfect,, thanks a lot.....

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