grub2 with libzfs

Beeblebrox zaphod at berentweb.com
Fri Mar 29 19:28:59 UTC 2013


Sam: it goes like this: 

menuentry "FreeBSD Direct-Boot" {
    search -s -l zpool
    kfreebsd /@/boot/kernel/kernel
    kfreebsd_module_elf /@/boot/kernel/opensolaris.ko
    kfreebsd_module_elf /@/boot/kernel/zfs.ko
    kfreebsd_module /@/boot/zfs/zpool.cache type=/boot/zfs/zpool.cache
    kfreebsd_loadenv /@/boot/device.hints
    set kFreeBSD.vfs.root.mountfrom=zfs:zpool
}

This is valid if root is on the zfs dataset with the same name as the zpool
- a zfs dataset is created at the same time when pool is created. If root is
on that dataset, this is the syntax.

If root is on another dataset (say pool/myzfsroot) then modify @ with
myzfsroot@ =>
    kfreebsd /myzfsroot@/boot/kernel/kernel
    kfreebsd_module_elf /myzfsroot@/boot/kernel/opensolaris.ko
etc...




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