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Adjusting my ZFS filesystems to conform with standard FreeBSD boot environments

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Get FreeBSD 12.2 mfsBSD (because that matches the OS on slocum), burn it to a thumb drive using OSX. NOTE: the following didn’t work. I wound up not having the right values in /lib and /var/db/ I don’t know what I did wrong, but I did manage to fix them up afterwards. I suspect that I still had zroot/usr mounted and did not notice. I will keep my notes here for future reference […]

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Updating my FreeBSD 12.2 host to FreeBSD 13.0

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I am going to upgrade a FreeBSD 12.2 host to FreeBSD 13.0 with one reboot. Actually, here, because of the zpool update, there is another reboot. This is significantly fewer than the standard upgrade process (yeah, critics claim 1 is not significantly less than 2; sigh). The instructions are taken from vermaden’s blog post on Upgrade FreeBSD with ZFS Boot Environments. I have seen a couple of references to this post lately and

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Moving zroot/usr/local to zroot/usr

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Today I was updating a FreeBSD server from 12.2 to 13.0 – I was using a new approach for my upgrades. This was my second host to upgrade like this. The first went smoothly. This one, not so much. NOTE: this turned out to be insufficient because /usr was mounted: [dan@slocum:~] $ zfs get canmount zroot/usr NAME PROPERTY VALUE SOURCE zroot/usr canmount on received This system was manually converted, poorly, to a BE

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Deleting old FreeBSD boot environments

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I like boot environments (BE) on FreeBSD. They were especially handy when building the AWS host for FreshPorts, since I had no serial console. I would create a BE saving the current status, then make some changes. I’d mark the current BE as boot once, so I could boot back in the known good BE. Worst case, I could mount the storage onto a rescue EC2 instance and adjust the bootfs value of

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replacing an existing zroot with a proper zroot

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I wrote this post late one night while pondering how to solve this problem. I may have solved it with much less effort. I want to copy a zroot from old drives to new drives. The new drives are in a test box of mine. Once the new drives are configured, I will replace the existing mirror with them. Not shown here, I have already installed FreeBSD 12.1 on the new drives. I

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