HOWTO safely unmount remove USB zfs sdcard

Michael Sierchio kudzu at
Tue Dec 11 18:37:48 UTC 2018

I've been holding back, but - why? Why abuse an SD card that way?  My
back-of-the-envelope estimate is that it halves the life of the card.

- M

On Sun, Dec 9, 2018 at 4:12 PM Russell L. Carter <rcarter at> wrote:

> Greetings,
> I can easily create a ZFS filesystem on a USB sdcard,
> but I have not yet found the recipe for safely unmounting
> it and then mounting it on another 12.0 FreeBSD system.

"Well," Brahma said, "even after ten thousand explanations, a fool is no
wiser, but an intelligent person requires only two thousand five hundred."

- The Mahābhārata

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