How to boot multiple FreeBSD systems (GPT, ZFS)?
wblock at wonkity.com
Sat Feb 22 23:08:08 UTC 2014
On Sat, 22 Feb 2014, Jens Schweikhardt wrote:
> hello, world\n
> in the good old days of MBR the FreeBSD bootblock would let me
> select one of several root partitions to boot from with a prompt like
> F1 FreeBSD
> F2 FreeBSD
> F3 FreeBSD
> Those times are gone; the new kids on the block are GPT partitioned
> disks and ZFS. I've read many man pages and articles on the net on using
> gpart, gptzfsboot, bios-boot partition, separate mini boot partition,
> setting up a root on ZFS system, and others. The part where I'm having
> difficulties is: which program lets me do the selection?
> ***No, I can't use grub or grub2.***
Syslinux? Probably not, but thought I'd mention it. If choosing
after boot is adequate, see sysutils/beadm.
> Can anyone outline how to partition and install a system that lets
> me select at boot time which of several ZFS root file systems to boot?
> I'm fine with the big picture and can figure out the details myself.
Does the pool/filesystem choice need to be presented by a menu, or is
typing in an already-known value good enough?
Consider also VMs with VirtualBox or bhyve, using zvols for disk.
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