Solved. Re: Dualboot and ZFS

Trond Endrestøl Trond.Endrestol at
Tue Mar 20 11:43:26 UTC 2018

On Tue, 20 Mar 2018 16:46+0700, Victor Sudakov wrote:

> Trond Endrestøl wrote:
> > 
> > > Besides, I don't know of a small simple boot manager (like boot0) for
> > > GPT. Can you advise one?
> > 
> > Try GRUB2 or rEFInd.
> > My laptop is pretty happy about the latter.
> > 
> >
> >
> I will most certainly look at rEFInd, thank you.
> To boot FreeBSD with it, do you follow the procedure described in
> ?

No, I took matters into my own hands.

I first installed the least cooperative OS, Win10.

I manually installed FreeBSD with ZFS.

I extracted rEFInd to the ESP.

I copied the boot1.efi bootloader to a \FreeBSD directory on the ESP.

I configured rEFInd to suit my needs.

I configured some boot entries in the UEFI environment of my laptop, 
one for each of rEFInd, Windows 10, and FreeBSD, and made the entry 
for rEFInd the preferred one.

You don't need to read the entire UEFI specification (2575 pages 
long), but I do recommend browsing through chapter 5 (GUID Partition 
Table (GPT) Disk Layout), and the entire section 13.3 (File System 


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