On Wed, Dec 22, 2021 at 5:23 AM Crystal Kolipe <kolip...@exoticsilicon.com> wrote:
> On Tue, Dec 21, 2021 at 06:04:28PM -0500, Rob Whitlock wrote: > > A problem seems to be that there is no disklabel entry for the ExFAT > > partition. > > You probably wrote a BSD disklabel to the disk before creating the ExFAT > partition. > I formatted the disk on a MacOS system, so I'm pretty sure there is no disklabel on the disk. > If there is no on-disk disklabel, the kernel will create one in memory > based on information from other partitioning schemes, (MBR, GPT). So in > this case, as you change those MBR or GPT partitions, those changes will be > reflected in the disklabel that the kernel sees. > > Once you actually write a disklabel to the disk, that on-disk disklabel is > then used in place of calculating one each time the disk is attached, and > the automatic parsing of MBR and GPT partition information stops. > > To solve your problem, you need to add the details of the ExFAT partition > to the BSD disklabel. You can either do that manually with the disklabel > command, or since you do not have any OpenBSD partitions on the disk, you > could overwrite the on-disk disklabel, allow the kernel to generate one > automatically with the correct information, then optionally force it to be > written to the disk by running disklabel and entering 'w' at the > interactive prompt. > I would like to not modify the on-disk contents. Is there a way to get OpenBSD to recognize the partition without writing things to the disk?
