grub-bhyve device map file usage

[Mark Raynsford]

On 2020-09-14T16:28:15 -0700
Chuck Tuffli <chuck at freebsd.org> wrote:

> Hi
> 
> I'm working on an update to grub-bhyve and wanted to know if people's
> map files differ from:
> (hd0) /some/path/to/the/disk.img
> Primarily, I'm interested if the map files use a device other than
> 'hd', but I'd also be curious about use cases involving more than one
> entry. TIA!

From a production machine here:

(hd0) /dev/zvol/storage/vm/66d99c52-9be0-434e-935e-7c7105952308/disk-0_1_0
(hd1) /dev/zvol/storage/vm/66d99c52-9be0-434e-935e-7c7105952308/disk-0_5_0
(cd0) /storage/images/debian-10.5.0-amd64-xfce-CD-1.iso

hd0 is the boot device. hd1 is a larger disk image used to hold a
database. cd0 is the installation media (and kept there in case we need
to do some sort of rescue boot).

-- 
Mark Raynsford | https://www.io7m.com

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