>> The question is why the update process did not make the necessary steps >> to complete the update properly. > > The answer is that IPS is still under development. "The necessary steps" > are not something that can be done using the current set of actions, and > there is not [1] a scripting facility. > > Remember: IPS is a facility to reliably deliver bits from one place (the > repository) to another (the image). It is not an installer [2]. > The truth is that I did not have much background information about IPS in general. So I appreciate your insights. But as of the point of view of an ordinary user, the information that GRUB has to be installed on the new boot environment should be outlined somewhere where it can not be overseen.
I wonder even more that the boot did not work because the first update, which created BE "opensolaris-1", that BE worked out of the box. But I don't want to stress this topic anymore. I accept that there were issues and I am glad I solved them. And for further updates I hope that they run smoothly. Roman.
