Dualboot and ZFS

Victor Sudakov vas at mpeks.tomsk.su
Tue Jan 16 11:28:24 UTC 2018


Trond Endrest?l wrote:
> 
> I couldn't resist attempting a proof of concept, so here it is.

Before I follow your steps, two comments:
> 
> !!! Show the resulting disklabel !!!
> 
> [script]# gpart show ada0s3
> =>       0  67108864  ada0s3  BSD  (32G)
>          0  58720256       1  freebsd-zfs  (28G)
>   58720256   8388608       2  freebsd-swap  (4.0G)

How funny! I did not even know that fstype in the disklabel can be "ZFS". I
have only seen "swap" and "4.2BSD" so far.

$ gpart add -t freebsd-zfs md0s1 && disklabel md0s1
md0s1a added
# /dev/md0s1:
8 partitions:
#          size     offset    fstype   [fsize bsize bps/cpg]
  a:       4095          0       ZFS
  c:       4095          0    unused        0     0     # "raw" part, don't edit
$

[dd]

> 
> !!! Create our zpool, YMMV !!!
> 
> !!! Create our initial BE, YMMV !!!

Do you know how to create a beadm-friendly zroot manually (like the one
created automatically by bsdinstall)? 

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
AS43859


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