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-rw-r--r--cddl/contrib/opensolaris/cmd/zpool/zpool-features.719
1 files changed, 19 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 b/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
index 168d30f8a210..b40bf9b5b1c7 100644
--- a/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
+++ b/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
@@ -632,6 +632,25 @@ and will return to being
once all filesystems that have ever had their checksum set to
.Sy skein
are destroyed.
+.It Sy allocation_classes
+.Bl -column "READ\-ONLY COMPATIBLE" "com.intel:allocation_classes"
+.It GUID Ta com.intel:allocation_classes
+.It READ\-ONLY COMPATIBLE Ta yes
+.It DEPENDENCIES Ta none
+.El
+.Pp
+This feature enables support for separate allocation classes.
+.Pp
+This feature becomes
+.Sy active
+when a dedicated allocation class vdev
+(dedup or special) is created with
+.Dq zpool create
+or
+.Dq zpool add .
+With device removal, it can be returned to the
+.Sy enabled
+state if all the top-level vdevs from an allocation class are removed.
.El
.Sh SEE ALSO
.Xr zpool 8