After reverting from OpenZFS to ZFS, I was able to destroy two of the
boot environments that previously (below, 1st May, OpenZFS) could not be
destroyed.
I'm left with at least one BE 'r360237c' that can not be destroyed. Is
it ever normal to find a snapshot described as '-'?
root@momh167-gjp4-8570p:~ # kldstat | grep zfs
2 1 0xffffffff82109000 3a8b40 zfs.ko
root@momh167-gjp4-8570p:~ # date
Sun May 3 05:59:06 BST 2020
root@momh167-gjp4-8570p:~ # beadm list -as
BE/Dataset/Snapshot Active Mountpoint Space
Created
Waterfox
copperbowl/ROOT/Waterfox - - 314.0M
2020-03-10 18:24
r360237c@2020-03-20-06:19:45 - - 1.0G 2020-03-20
06:19
r357746h
copperbowl/ROOT/r357746h - - 3.4M 2020-04-08
09:28
r360237c@2020-04-09-17:59:32 - - 1.1G 2020-04-09
17:59
r360237c
copperbowl/ROOT/r360237c@2020-03-20-06:19:45 - - 1.0G 2020-03-20
06:19
copperbowl/ROOT/r360237c@2020-04-09-17:59:32 - - 1.1G 2020-04-09
17:59
copperbowl/ROOT/r360237c@2020-04-29-13:24:52 - - 11.2M
2020-04-29 13:24
copperbowl/ROOT/r360237c - - 80.4G
2020-04-29 13:24
r360237e
copperbowl/ROOT/r360237e@2020-05-01-17:58:33 - - 96.6M
2020-05-01 17:58
copperbowl/ROOT/r360237e NR / 1.3G 2020-05-01
17:58
r360237c@2020-04-29-13:24:52 - - 11.2M
2020-04-29 13:24
root@momh167-gjp4-8570p:~ # beadm destroy r360237c
Are you sure you want to destroy 'r360237c'?
This action cannot be undone (y/[n]): y
Boot environment 'r360237c' was created from existing snapshot
Destroy '-' snapshot? (y/[n]): y
cannot destroy 'copperbowl/ROOT/r360237c': filesystem has dependent clones
use '-R' to destroy the following datasets:
copperbowl/ROOT/r360237e@2020-05-01-17:58:33
copperbowl/ROOT/r360237e
copperbowl/ROOT/r357746h
copperbowl/ROOT/Waterfox
root@momh167-gjp4-8570p:~ # zfs list -t snapshot
NAME USED AVAIL
REFER MOUNTPOINT
copperbowl/ROOT/r360237c@2020-03-20-06:19:45 1.02G - 59.2G -
copperbowl/ROOT/r360237c@2020-04-09-17:59:32 1.15G - 60.0G -
copperbowl/ROOT/r360237c@2020-04-29-13:24:52 11.2M - 62.2G -
copperbowl/ROOT/r360237e@2020-05-01-17:58:33 96.6M - 62.3G -
copperbowl/iocage/releases/12.0-RELEASE/root@jbrowsers 8K - 1.24G -
copperbowl/poudriere/jails/head@clean 376K - 1.91G -
copperbowl/usr/home@2020-05-03-05:55-r360237 57.7M - 171G -
root@momh167-gjp4-8570p:~ # uname -v
FreeBSD 13.0-CURRENT #54 r360237: Fri Apr 24 09:10:37 BST 2020
root@momh167-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG
root@momh167-gjp4-8570p:~ #
----
On 01/05/2020 18:57, Graham Perrin wrote:
root@momh167-gjp4-8570p:~ # date ; uname -v
Fri May 1 18:52:31 BST 2020
FreeBSD 13.0-CURRENT #54 r360237: Fri Apr 24 09:10:37 BST 2020
root@momh167-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG
root@momh167-gjp4-8570p:~ # beadm list
BE Active Mountpoint Space Created
Waterfox - - 1.3G 2020-03-10 18:24
r357746h - - 928.4M 2020-04-08 09:28
r360237b - - 213.6M 2020-04-28 20:17
r360237c - - 92.0G 2020-04-29 13:24
r360237d - - 153.2M 2020-04-30 13:08
r360237e NR / 720.4M 2020-05-01 17:58
root@momh167-gjp4-8570p:~ # beadm destroy r360237b
Are you sure you want to destroy 'r360237b'?
This action cannot be undone (y/[n]): y
cannot promote 'copperbowl/ROOT/r360237d': not a cloned filesystem
root@momh167-gjp4-8570p:~ # beadm destroy r360237c
Are you sure you want to destroy 'r360237c'?
This action cannot be undone (y/[n]): y
Boot environment 'r360237c' was created from existing snapshot
Destroy '-' snapshot? (y/[n]): y
cannot destroy 'copperbowl/ROOT/r360237c': filesystem has dependent
clones
use '-R' to destroy the following datasets:
copperbowl/ROOT/r360237e
copperbowl/ROOT/r360237d@2020-05-01-17:58:54
copperbowl/ROOT/r360237d@2020-05-01-17:58:33
copperbowl/ROOT/r360237d
copperbowl/ROOT/r360237b@2020-04-30-13:08:36
copperbowl/ROOT/r360237b
copperbowl/ROOT/r357746h
copperbowl/ROOT/Waterfox
root@momh167-gjp4-8570p:~ # beadm destroy r360237d
Are you sure you want to destroy 'r360237d'?
This action cannot be undone (y/[n]): y
cannot promote 'copperbowl/ROOT/r360237e': not a cloned filesystem
root@momh167-gjp4-8570p:~ # beadm list -as
BE/Dataset/Snapshot Active Mountpoint Space
Created
Waterfox
copperbowl/ROOT/Waterfox - - 314.0M
2020-03-10 18:24
r360237c@2020-03-20-06:19:45 - - 1.0G
2020-03-20 06:19
r357746h
copperbowl/ROOT/r357746h - - 3.4M
2020-04-08 09:28
r360237c@2020-04-09-17:59:32 - - 925.0M
2020-04-09 17:59
r360237b
copperbowl/ROOT/r360237b - - 202.4M
2020-04-28 20:17
r360237c@2020-04-29-13:24:52 - - 11.2M
2020-04-29 13:24
copperbowl/ROOT/r360237b@2020-04-30-13:08:36 - - 1.4M
2020-04-30 13:08
r360237c
copperbowl/ROOT/r360237c@2020-03-20-06:19:45 - - 1.0G
2020-03-20 06:19
copperbowl/ROOT/r360237c@2020-04-09-17:59:32 - - 925.0M
2020-04-09 17:59
copperbowl/ROOT/r360237c@2020-04-20-06:44:01 - - 11.6G
2020-04-20 06:44
copperbowl/ROOT/r360237c@2020-04-29-13:24:52 - - 11.2M
2020-04-29 13:24
copperbowl/ROOT/r360237c - - 92.0G
2020-04-29 13:24
r360237d
copperbowl/ROOT/r360237d - - 151.8M
2020-04-30 13:08
r360237b@2020-04-30-13:08:36 - - 1.4M
2020-04-30 13:08
copperbowl/ROOT/r360237d@2020-05-01-17:58:33 - - 440.0K
2020-05-01 17:58
copperbowl/ROOT/r360237d@2020-05-01-17:58:54 - - 408.0K
2020-05-01 17:58
r360237e
copperbowl/ROOT/r360237e NR / 720.0M
2020-05-01 17:58
r360237d@2020-05-01-17:58:54 - - 408.0K
2020-05-01 17:58
root@momh167-gjp4-8570p:~ # zfs list -t snapshot
NAME USED AVAIL
REFER MOUNTPOINT
copperbowl/ROOT/r360237b@2020-04-30-13:08:36 1.36M - 62.3G -
copperbowl/ROOT/r360237c@2020-03-20-06:19:45 1.02G - 59.2G -
copperbowl/ROOT/r360237c@2020-04-09-17:59:32 925M - 60.0G -
copperbowl/ROOT/r360237c@2020-04-20-06:44:01 11.6G - 61.7G -
copperbowl/ROOT/r360237c@2020-04-29-13:24:52 11.2M - 62.2G -
copperbowl/ROOT/r360237d@2020-05-01-17:58:33 440K - 62.3G -
copperbowl/ROOT/r360237d@2020-05-01-17:58:54 408K - 62.3G -
copperbowl/iocage/releases/12.0-RELEASE/root@jbrowsers 8K - 1.24G -
copperbowl/poudriere/jails/head@clean 384K - 1.91G -
copperbowl/usr/home@2020-04-28-10:42-r360237 5.89G - 172G -
root@momh167-gjp4-8570p:~ #
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