Installing FreeBSD on size limited ZFS partition

Mike Tancsa mike at
Wed Dec 14 15:28:19 UTC 2016

I have a couple of servers I want to put back to back on HAST with ZFS.
However, I am stuck at how the best way to do this at install time.
Normally, when you choose ZFS at install time, it uses the entire disk
by creating the boot partition(p0), swap(p1) and freebsd-zfs (p3).  I
want to be able to control the size of partition 3 so that its NOT the
entire disk, so that I leave enough space on the disk to later create a
second ZFS pool that I can then configure HAST for.
What is the best way to do this ?


Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at
Providing Internet services since 1994
Cambridge, Ontario Canada

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