OpenBoot 2.x Command Reference Manual

A Caution About Using Some OpenBoot Commands

If you boot the operating system, exit it with either the Stop-A or halt commands, and then use some OpenBoot commands, the commands might not work as expected.

For example, suppose you boot the operating system, exit it with Stop-A, then execute the probe-scsi command. You may find that probe-scsi fails, and you may not be able to resume the operating system. When this happens, type the following commands:


ok sync 
ok boot 

To re-execute an OpenBoot command which fails because the operating system has halted, reset the system, then invoke the command, as shown:


ok reset 
ok probe-scsi 
ok