set this feature to \fBactive\fR when a new space map object is created or
an existing space map is upgraded to the new format. Once the feature is
\fBactive\fR, it will remain in that state until the pool is destroyed.
-
.RE
.sp
This feature will be \fBactive\fR when the first dependent feature uses it,
and will be returned to the \fBenabled\fR state when all datasets that use
this feature are destroyed.
-
.RE
.sp
This feature is \fBactive\fR while any bookmarks exist in the pool.
All bookmarks in the pool can be listed by running
\fBzfs list -t bookmark -r \fIpoolname\fR\fR.
-
.RE
.sp
This feature becomes \fBactive\fR as soon as it is enabled and will
never return to being \fBenabled\fB.
-
.RE
.sp
This feature becomes \fBactive\fR as soon as it is enabled and will
never return to being \fBenabled\fB.
-
.RE
.sp
This feature becomes \fBactive\fR as soon as it is enabled and will
never return to being \fBenabled\fR.
-
.RE
+
.sp
.ne 2
.na
This feature becomes \fBactive\fR when the \fBzpool remove\fR subcommand is used
on a top-level vdev, and will never return to being \fBenabled\fR.
-
.RE
+
.sp
.ne 2
.na
This feature becomes \fBactive\fR when the \fBzpool remove\fR subcommand is
used on a top-level vdev, and will never return to being \fBenabled\fR.
-
.RE
+
.sp
.ne 2
.na
is used to checkpoint the pool.
The feature will only return back to being \fBenabled\fR when the pool
is rewound or the checkpoint has been discarded.
-
.RE
+
.sp
.ne 2
.na
This feature becomes \fBactive\fR once it is \fBenabled\fR, and never
returns back to being \fBenabled\fR.
-
.RE
+
.sp
.ne 2
.na
The \fBsha512\fR feature is not supported by GRUB and must not be used on
the pool if GRUB needs to access the pool (e.g. for /boot).
-
.RE
.sp
The \fBskein\fR feature is not supported by GRUB and must not be used on
the pool if GRUB needs to access the pool (e.g. for /boot).
-
.RE
.sp
The \fBedonr\fR feature is not supported by GRUB and must not be used on
the pool if GRUB needs to access the pool (e.g. for /boot).
-
.RE
.sp
`zfs set version=current <pool/fs>`. The upgrade process runs in the background
and may take a while to complete for filesystems containing a large number of
files.
-
.RE
.sp
This feature becomes \fBactive\fR when a v2 bookmark is created and will be
returned to the \fBenabled\fR state when all v2 bookmarks are destroyed.
-
.RE
.sp
This feature becomes \fBactive\fR when an encrypted dataset is created and will
be returned to the \fBenabled\fR state when all datasets that use this feature
are destroyed.
-
.RE
.sp
can also be triggered on filesystems via `zfs set version=current <pool/fs>`.
The upgrade process runs in the background and may take a while to complete
for the filesystems containing a large number of files.
-
.RE
+
.sp
.ne 2
.na
This feature becomes \fBactive\fR once a resilver has been deferred, and
returns to being \fBenabled\fR when the deferred resilver begins.
-
.RE
.sp
(dedup or special) is created with the \fBzpool create\fR or \fBzpool add\fR
subcommands. With device removal, it can be returned to the \fBenabled\fR
state if all the dedicated allocation class vdevs are removed.
-
.RE
.SH "SEE ALSO"