On Thu, Jan 12, 2017 at 10:55 PM, Steven Hartland <kill...@multiplay.co.uk> wrote: > On 12/01/2017 21:12, Jeremie Le Hen wrote: > > Hey Steven, > > (Please cc: me on reply) > > On Thu, Jan 12, 2017 at 1:32 AM, Steven Hartlan > > The reason I'd recommend 512k for boot is to provide room for expansion > moving forward, as repartitioning to upgrade is a scary / hard thing to do. > Remember it wasn't long ago when it was well under 64k and that's what was > recommend, its not like with disk sizes these days you'll miss the extra > 384k ;-) > > Yeah, that's wise you're right. > > Boot to a live cd, I'd recommend mfsbsd, and make sure the boot loader was > written to ALL boot disks correctly e.g. > if you have a mirrored pool with ada0 and ada1: > gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 > gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 > > If this doesn't help the output from gpart show, uname -a and zpool status > would also be helpful. > > This is all assuming standard BIOS mode and not UEFI which is done > differently. > > I just use the installation media on an USB key and then drop to the > shell. This is a full FreeBSD running, so that's fine. > > % # gpart show ada0 > % => 40 312581728 ada0 GPT (149G) > % 40 1024 1 freebsd-boot (512K) > % 1064 8387840 2 freebsd-swap (4.0G) > % 8388904 304192864 3 freebsd-zfs (145G) > % > % # uname -a > % FreeBSD 11.0-RELEASE-p1 FreeBSD 11.0-RELEASE-p1 #0 r306420: Thu Sep > 29 01:43:23 UTC 2016 % % > r...@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 > % > % # zpool status > % pool: zroot > % state: ONLINE > % scan: none requested > % config: > % > % NAME STATE READ > WRITE CKSUM > % zroot ONLINE 0 > 0 0 > % gptid/1c387d3b-d892-11e6-944b-f44d30620eeb ONLINE 0 > 0 0 > % > % errors: No known data errors > > Here are the steps to write the bootloader: > > % # gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 > % partcode written to ada0p1 > % bootcode written to ada0 > % # zpool get bootfs zroot > % NAME PROPERTY VALUE SOURCE > % zroot bootfs zroot local > > Two things spring to mind > > Idea 1: > Is your root fs actually your direct pool or is it actually /root off your > pool. > If so you want to run: > zpool set bootfs=zroot/root zroot
That was it. My boot volume is "zroot/root" and I was just following brainlessly the doc which said to use "zroot". This didn't shock me because this at least points to the right pool > > Idea 2: > You mentioned in your original post and you used zfs send / recv to restore > the pool, so I wonder if your cache file is out of date. > > Try the following: > zpool export zroot > zpool import -R /mnt -o cachefile=/boot/zfs/zpool.cache zroot > cp /boot/zfs/zpool.cache /mnt/boot/zfs/zpool.cache > zpool set bootfs=zroot/root zroot I think that was wrong too, but this would probably have caused problems later in the boot I think. Anyway, thanks a lot for your help. I'll give a quick lifting to the wiki page. -jlh > > Regards > Steve -- Jeremie Le Hen j...@freebsd.org _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
