MBR Partitions and fdisk(8)

Some hardware platforms have specific ideas about disk partitioning that differ from what OpenBSD expects. For example, the i386 and amd64 platforms expect to find MBR partitions on hard drives, and OpenBSD accommodates this quirk by putting its own disklabel partitions inside MBR partitions. We briefly touched on creating partitions during the installation process, but if you add hard drives to an existing system, you’ll need to edit the MBR partition table by hand using fdisk(8).

My particular test system has two hard drives: wd0 and wd1. I think that wd1 is completely blank but before I can use this drive, I need to verify that it is empty, and then create MBR partitions. While fdisk has all sorts of commands to ...

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