jonryk

I just had the same experience as @clhedrick - I upgraded to Ubuntu 22, and lost a few ZFS datasets in my ZFS pool! Towards the end of the "zpool...

@rincebrain - Cheers! I can confirm that (at least for me, and for the one dataset I tested) your suggestion of receiving the dataset under a different name seemed to...

Thanks a lot, @rincebrain! One more "trick" I discovered; I was able to revive / recalculate a couple of datasets - for whom I previously had backed up a recent...

@mprasil : Thanks, but since in my case the datasets cannot be opened, and the files within them cannot be accessed, your suggestion is not applicable. The only solution so...

HAHA - fantastic, @rincebrain - my HERO! ("zfs rollback" or "zfs clone" didn't help, seems a zfs recv **must** be applied to force the recalculation.) The working solution was the...

I now also tried with the current master branch: ``` root@ubuntu:~/source/zfs# cat /sys/module/zfs/version 0.7.0-1512_g802715b74 ``` Results were the same as before: ``` root@ubuntu:~/source/zfs# bin/zpool import -T 245332 -F -o readonly=on...

### Doh! Another mistake... - I guess all is now irrevocably lost? By accident (and probably through all of my unsuccessful attempts) it seems I have (perhaps on a couple...

@behlendorf - Thanks a for your reply! Although you confirmed my suspicion that it is now too late to save my data, I appreciate that you'll keep this issue open...