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I've been having an issue with my first installation of FreeBSD. As I always do in GNU/Linux I created separate home and root partitions. The issue I've been having is that my home partition doesn't mount.

Luckily, when boot fails it just dumps me at a root prompt but unfortunately after remounting / as read-write and not just read only, I can't mount /dev/ada0p3, my /home partition, as /home, or as anything else.

The exact error I get is mount /dev/ada0p3: No such file or directory, and yet a quick ls /dev/ shows me that ada0p3 is indeed there, and gpart show confirms that partition 3 on device ada0 is freebsd-zfs and is 185GB, the size I allocated for my home.

I'm using zfs for both / and /home.

This is a fresh install, so if need be I have no qualms with nuking the drive and reinstalling, but I'd prefer to avoid spending more time on this than I have to.

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    ZFS mounts are performed using zfs command. Commented Jan 17, 2019 at 7:07
  • How are you installing FreeBSD? The Auto (ZFS) option already creates separate datasets for / and /usr/home and several others. Commented Jan 17, 2019 at 9:37
  • If ada0p3 is type freebsd-zfs then it is likely a member of a zpool, not a directly mountable filesystem. Please edit your post to include the output of zpool status and zfs list. While you're at it, throw in zfs get -t filesystem canmount,mountpoint. :) Commented Feb 1, 2019 at 22:00

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Try zfs mount -a. If this doesn't work, check the following zfs get mountpoint,canmount hostjails tank/home or tank/usr/home depending on your pool name and dataset location

mountpoint should be defined to a folder like /home and canmount should be on

If that is not the case you can fix it with zfs set canmount=on tank/home for example, similarly to mountpoint.

Please ensure the mountpoint folder exists before trying to mount.

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