I tried to reinstall GRUB2 on my previous Solaris 11.3 installation but could not figure out why "bootadm install-bootloader" failed. Now I am trying to reinstall Solaris 11.3 instead, over my old Solaris partition. I am using the USB Live media ISO with the GUI. Installation fails with this message:
"The selected disk has no more available slots to create a system boot partition.
Allow at least one unused partition"
I have since earlier partitioned my system disk into Solaris 11.3 and Windows10. First I installed Windows10, and then Solaris 11.3. I am trying to install Solaris 11.3 and I can choose to install Solaris onto these partitions:
c3t2d0p1 330 GB - Solaris main partition
c3t2d0p2 256 MB - EFI system partition
c3t2d0p3 16 MB - MS reserved, scratch area
c3t2d0p4 492.32GB - Win10
c3t2d0p5 852 MB - Win10 recovery partition
unallocated 1 MB - unallocated
c3t2d0p6 108.09GB - TemporaryNTFSPartition
unallocated 1.62 MB - unallocated
c3t2d0p7 8 MB - Solaris help partition
So I select the first partition, "Solaris" and click "Next" but then I see this error message above, "no more available slots, yadda yadda". How should I proceed? Can I mark "EFI system partition" as "unused" which means I have two available slots? But is Win10 using "EFI system partition"? Or is Solaris using it? I am afraid to bork my Win10 installation as I try to free another slot. Any advice?