Quoting Warner Losh <i...@bsdimp.com> (from Wed, 9 Nov 2022 08:54:33 -0700):
On Wed, Nov 9, 2022 at 5:46 AM Alexander Leidinger <alexan...@leidinger.net> wrote:
While most of these options look OK on the surface, I'd feel a lot better if there were tests for these to prove they work. I'd also feel better if the ZFS experts could explain how those come to be set on a zpool as well. I'd settle for a good script that could be run as root (better
It is explained in the zpool-features man page.
would be not as root) that would take a filesystem that was created by makefs -t zfs and turn on these features after an zpool upgrade.
Script attached. Maybe a little bit too verbose, but you can see which features are active directly, and which ones only enabled.
It expects a zroot.img in the current directory and creates copies to zroot_num_featurename.img where it enables the features. In the beginning are some variables to adapt to pool/image name and destination directory.
Bye, Alexander. -- http://www.Leidinger.net alexan...@leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netch...@freebsd.org : PGP 0x8F31830F9F2772BF
zpool_features.sh
Description: Bourne shell script
pgpnwcnaQ1dYc.pgp
Description: Digitale PGP-Signatur