Niall, > I have a few questions about the planned support for extended partitioning in > OpenSolaris. > At the slim install meeting a couple of weeks back someone mentioned that > they had > successfully installed Solaris onto a logical volume inside an extended > partition but the > system couldn't be booted after installation. > I had mentioned about booting problem after successfully installing on the Logical Partition. But it turned out to be the problem with kernel bits that enables identifying the root fs for mounting. > I've been doing some investigations of my own and from my limited > understanding it seems > that it's not possible to directly boot from a logical volume/partition. The > PC bios will read > the MBR and find the active primary partition. It will then pass over control > to the boot > record inside the active primary partition. It seems you need to either > overwrite the MBR > with a custom boot loader program, or create a primary active partition that > contains > a boot loader capable of booting the OS on the logical volume/partition. > Yea. This is why we used 'installgrub -m' to have the logical-partition-aware grub installed in the MBR.
Thanks, Nagaraj. > Can anyone clarify on what the plan to support booting from extended > partitions is, > the basic mechanism and if there are any implications from a partitioning > perspective? > > Thanks, > Niall. > -- > This message posted from opensolaris.org > _______________________________________________ > caiman-discuss mailing list > caiman-discuss at opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/caiman-discuss >
