PERFORCE change 112578 for review
Matt Jacob
mjacob at FreeBSD.org
Fri Jan 5 15:09:43 PST 2007
http://perforce.freebsd.org/chv.cgi?CH=112578
Change 112578 by mjacob at mjexp_6 on 2007/01/05 23:09:37
Integrate with vendor branch.
Affected files ...
.. //depot/projects/mjexp_6/sbin/geom/class/mirror/gmirror.8#2 integrate
Differences ...
==== //depot/projects/mjexp_6/sbin/geom/class/mirror/gmirror.8#2 (text+ko) ====
@@ -22,9 +22,9 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" $FreeBSD: src/sbin/geom/class/mirror/gmirror.8,v 1.16.2.3 2006/03/20 15:48:55 pjd Exp $
+.\" $FreeBSD: src/sbin/geom/class/mirror/gmirror.8,v 1.16.2.4 2006/12/31 18:46:42 ceri Exp $
.\"
-.Dd March 8, 2006
+.Dd December 31, 2006
.Dt GMIRROR 8
.Os
.Sh NAME
@@ -83,10 +83,6 @@
.Op Fl fv
.Ar name ...
.Nm
-.Cm clear
-.Op Fl v
-.Ar prov ...
-.Nm
.Cm dump
.Ar prov ...
.Nm
@@ -120,7 +116,9 @@
Create a mirror.
The order of components is important, because a component's priority is based on its position
(starting from 0).
-The component with the biggest priority is used by the prefer balance algorithm
+The component with the biggest priority is used by the
+.Cm prefer
+balance algorithm
and is also used as a master component when resynchronization is needed,
e.g.\& after a power failure when the device was open for writing.
.Pp
@@ -291,7 +289,8 @@
First of all, a kernel dump will go only to one component and
.Nm
always chooses the component with the highest priority.
-Reading a dump from the mirror on boot will only work if the prefer
+Reading a dump from the mirror on boot will only work if the
+.Cm prefer
balance algorithm is used (that way
.Nm
will read only from the component with the highest priority).
@@ -320,7 +319,6 @@
If on the next boot a component with the highest priority will be synchronized,
the prefer balance algorithm will read from the next one, thus will find nothing
there.
-.Ed
.Sh SEE ALSO
.Xr geom 4 ,
.Xr dumpon 8 ,
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