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-rw-r--r--man/man8/zpool.812
1 files changed, 9 insertions, 3 deletions
diff --git a/man/man8/zpool.8 b/man/man8/zpool.8
index 8f35ca0ee..28517e475 100644
--- a/man/man8/zpool.8
+++ b/man/man8/zpool.8
@@ -123,7 +123,7 @@
.Cm iostat
.Op Oo Oo Fl c Ar SCRIPT Oc Oo Fl lq Oc Oc Ns | Ns Fl rw
.Op Fl T Sy u Ns | Ns Sy d
-.Op Fl ghHLpPvy
+.Op Fl ghHLnpPvy
.Oo Oo Ar pool Ns ... Oc Ns | Ns Oo Ar pool vdev Ns ... Oc Ns | Ns Oo Ar vdev Ns ... Oc Oc
.Op Ar interval Op Ar count
.Nm
@@ -1631,7 +1631,7 @@ with no flags on the relevant target devices.
.Cm iostat
.Op Oo Oo Fl c Ar SCRIPT Oc Oo Fl lq Oc Oc Ns | Ns Fl rw
.Op Fl T Sy u Ns | Ns Sy d
-.Op Fl ghHLpPvy
+.Op Fl ghHLnpPvy
.Oo Oo Ar pool Ns ... Oc Ns | Ns Oo Ar pool vdev Ns ... Oc Ns | Ns Oo Ar vdev Ns ... Oc Oc
.Op Ar interval Op Ar count
.Xc
@@ -1643,7 +1643,10 @@ When given an
.Ar interval ,
the statistics are printed every
.Ar interval
-seconds until ^C is pressed. If count is specified, the command exits
+seconds until ^C is pressed. If
+.Fl n
+flag is specified the headers are displayed only once, otherwise they are
+displayed periodically. If count is specified, the command exits
after count reports are printed. The first report printed is always
the statistics since boot regardless of whether
.Ar interval
@@ -1735,6 +1738,8 @@ Display real paths for vdevs resolving all symbolic links. This can
be used to look up the current block device name regardless of the
.Pa /dev/disk/
path used to open it.
+.It Fl n
+Print headers only once when passed
.It Fl p
Display numbers in parsable (exact) values. Time values are in
nanoseconds.
@@ -1760,6 +1765,7 @@ pool, in addition to the pool-wide statistics.
Omit statistics since boot.
Normally the first line of output reports the statistics since boot.
This option suppresses that first line of output.
+.Ar interval
.It Fl w
Display latency histograms:
.Pp