Date: Tue, 21 Jun 2022 09:43:02 -0700 From: David Christensen <dpchrist@holgerdanske.com> To: questions@freebsd.org Subject: Re: BIOS/MBR drive enumeration order, FreeBSD dev nodes, GELI ZFS root, and ZFS boot Message-ID: <fc2dc2da-e384-fcfe-177a-abe97f5411d9@holgerdanske.com> In-Reply-To: <20220621080337.79d9700c.freebsd.ed.lists@sumeritec.com> References: <ebcf14da-016f-3906-34be-2a24a1b71aa5@holgerdanske.com> <20220621053741.3dbb0d2e.freebsd.ed.lists@sumeritec.com> <8341d336-4115-f1a6-9591-412f14aef7ea@holgerdanske.com> <20220621080337.79d9700c.freebsd.ed.lists@sumeritec.com>
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On 6/21/22 01:03, Erich Dollansky wrote: > Hi, > On Mon, 20 Jun 2022 23:24:44 -0700 David Christensen wrote: >>> On Mon, 20 Jun 2022 11:35:01 -0700 David Christensen wrote: >>>> I have installed a HBA: >>>> >>>> Promise Technology Ultra 133 TX2 >>>> >>>> >>>> Connected the HDD to the HBA: >>>> >>>> Maxtor 6L200P0 >>>> >>>> >>>> And set the CMOS Setup boot order so that the SSD is before the >>>> HDD. >>>> >>>> >>>> When I boot the machine I see the first prompt: >>>> >>>> GELI Passphrase: >>>> >>>> >>>> No matter what passphrase I enter, I always see the second prompt: >>>> >>>> Enter passphrase for ada1s1d: >>>> >>>> >>>> Note that "ada1" no longer corresponds to the device node name of >>>> the SSD when FreeBSD was installed. (I suspect the HDD is "ada0".) >>>> >>>> >>>> No matter what passphrase I enter at the second prompt, it is >>>> always rejected. FreeBSD will not boot. >> >> >> On 6/20/22 22:37, Erich Dollansky wrote: >> > Hi, >> > >> > allow me a general answer on top: FreeBSD has support for labels. >> > Just give each partition a name and use the partitions via their >> > names. This works then even if you move the devices to other >> > machines. >> >> >> Thank you for the reply. >> >> >> I have several older machines in my SOHO network. BIOS/MBR is the >> lowest common denominator, so that is what I use. AIUI MBR does not >> support partition labels, only GPT. >> > GEOM and UFS also support labels. It should not matter then what > BIOS/MBR thinks of the disk. I use ZFS, not UFS. I will look into GEOM labels. >> I seem to recall that it is possible to slice/ partition the boot/ >> root drive with a hybrid MBR/ GPT scheme such that BIOS thinks the >> drive is MBR but the FreeBSD boot loader switches to GPT at some >> point (?). Can this be achieved with the FreeBSD installer per >> "Guided Partitioning Using Root-on-ZFS"? >> >> https://docs.freebsd.org/en/books/handbook/bsdinstall/#bsdinstall-partitioning >> > I use gpart by hand like this: > > gpart destroy -F Device > gpart create -s GPT Device > gpart destroy -F Device > gpart create -s MBR Device > gpart bootcode -b /boot/mbr Device > gpart add -t freebsd -i 1 Device > gpart set -a active -i 1 Device > gpart destroy -F Devices1 > gpart create -s GPT Devices1 > gpart destroy -F Devices1 > gpart create -s BSD -n 10 Devices1 > gpart bootcode -b /boot/boot Devices1 > gpart add -t freebsd-ufs -a 4k -s 1G Devices1 > glabel label root Devices1a > newfs -S 512 /dev/label/root > gpart add -t freebsd-swap -a 4k -s 16G Devices1 > glabel label swap Devices1b > > I repeat then: > > gpart add -t freebsd-ufs -a 4k -s xxG Devices1 > glabel label Devices1a > newfs -S 512 /dev/label/xxx > > until all required partitions are done. I ZFS is used, I do not use > newfs but the ZFS tool. Wow. That is complex. And, it does not appear to produce encrypted swap nor encrypted ZFS root (?). I will see if I can use the FreeBSD installer to achieve a suitable result. David
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