[Bug 259505] Bug in zfs receive - Mountpoint not changed

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 259505] Bug in zfs receive - Mountpoint not changed"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 02 Nov 2021 11:49:30 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259505

--- Comment #6 from ERM Consulting <heiko.grethe@erm-consulting.de> ---
Here we are:

Original situation (only one pool: zDataStorage8):
storage8: ~# zfs list
NAME                          USED  AVAIL  REFER  MOUNTPOINT
zDataStorage8                6.40T  7.51T   139K  /zDataStorage8
zDataStorage8/datasetShares  2.16T  7.51T  2.11T  /zDataStorage8/datasetShares
zDataStorage8/datasetVM      4.24T  7.51T  3.77T  /zDataStorage8/datasetVM

Created second pool zDataStorage8Backup2:
storage8: ~# zfs list
NAME                          USED  AVAIL  REFER  MOUNTPOINT
zDataStorage8                6.40T  7.51T   139K  /zDataStorage8
zDataStorage8/datasetShares  2.16T  7.51T  2.11T  /zDataStorage8/datasetShares
zDataStorage8/datasetVM      4.24T  7.51T  3.77T  /zDataStorage8/datasetVM
zDataStorage8Backup2          360K  15.8T    96K  /zDataStorage8Backup2

Creating first Dataset:
zfs send -R zDataStorage8/datasetShares@auto-20211101-050000 | zfs receive -Fd
zDataStorage8Backup2

Expected mountpoint for datasetShares:
storage8: ~# zfs list
NAME                                 USED  AVAIL  REFER  MOUNTPOINT
zDataStorage8                       6.41T  7.50T   139K  /zDataStorage8
zDataStorage8/datasetShares         2.16T  7.50T  2.11T 
/zDataStorage8/datasetShares
zDataStorage8/datasetVM             4.25T  7.50T  3.77T 
/zDataStorage8/datasetVM
zDataStorage8Backup2                2.15T  13.7T    96K  /zDataStorage8Backup2
zDataStorage8Backup2/datasetShares  2.15T  13.7T  2.09T 
/zDataStorage8Backup2/datasetShares

Creating second Dataset:
zfs send -R zDataStorage8/datasetVM@auto-20211101-040000  | zfs receive -Fd
zDataStorage8Backup2

Result - wrong mountpoint for datasetVM:
storage8: ~# zfs list
NAME                                 USED  AVAIL  REFER  MOUNTPOINT
zDataStorage8                       6.43T  7.49T   139K  /zDataStorage8
zDataStorage8/datasetShares         2.16T  7.49T  2.11T 
/zDataStorage8/datasetShares
zDataStorage8/datasetVM             4.26T  7.49T  3.77T 
/zDataStorage8/datasetVM
zDataStorage8Backup2                6.31T  9.54T    96K  /zDataStorage8Backup2
zDataStorage8Backup2/datasetShares  2.15T  9.54T  2.09T 
/zDataStorage8Backup2/datasetShares
zDataStorage8Backup2/datasetVM      4.17T  9.54T  3.71T 
/zDataStorage8/datasetVM

Requested command:
storage8: ~# zfs get mountpoint zDataStorage8Backup2/datasetVM
zDataStorage8/datasetVM
NAME                            PROPERTY    VALUE                     SOURCE
zDataStorage8/datasetVM         mountpoint  /zDataStorage8/datasetVM  local
zDataStorage8Backup2/datasetVM  mountpoint  /zDataStorage8/datasetVM  received

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