Date: Thu, 28 Apr 2016 18:02:25 +0100 From: Johannes Totz <johannes@jo-t.de> To: freebsd-stable@freebsd.org Subject: Re: booting from separate zfs pool Message-ID: <nftfn1$lka$1@ger.gmane.org> In-Reply-To: <5721BF5C.1070201@norma.perm.ru> References: <5721BF5C.1070201@norma.perm.ru>
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On 28/04/2016 08:44, Eugene M. Zheganin wrote: > Hi. > > So, I'm still struggling with my problem when I cannot boot from a big > zfs 2T pool (I have written some messages about a year ago, the whole > story is too long and irrelevant to retell it, I'll only notice that I > took the path where I'm about to boot from a separate zfs pool closer to > the beginning of the disk). > > I've created such a smaller pool, called it zboot. I've read pjd@ letter > explaining that when FreeBSD sees several bootable pools, it chooses the > first one - that's fine with me, since the new pool partition's number > is smaller than the big one. So, I created zboot, set the mountpoint to > legacy, wrote the content to it's /boot directory (and yes, I did call > the 'make installkernel DESTDIR=/zboot') and rebooted. Strage thing > happened next - I got > > > Can't find /boot/zfsloader > > FreeBSD/x86 boot > Default: zboot:/boot/kernel/kernel > boot: > | > Can't find /boot/kernel/kernel > > > I booted back from USB stick (that I'm using to boot my machine) and > rechecked these files - everything mentioned here is in it's place. > > Does someone have the idea what I'm doing wrong ? May be this has > something to do with the fact that zboot does contain only the /boot > directory, and not the full rootfs ? FWIW, I'm booting the kernel off a different pool from where the rootfs is... I've set bootfs on the boot-pool (to point to itself), and the loader.conf in that boot pool has vfs.root.mountfrom point to the root-fs on the other pool.
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