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From: Colin Percival <cperciva@FreeBSD.org>
Date: Tue, 10 Sep 2013 21:16:19 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r255459 - head/share/man/man4
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Author: cperciva
Date: Tue Sep 10 21:16:18 2013
New Revision: 255459
URL: http://svnweb.freebsd.org/changeset/base/255459

Log:
  Remove documentation describing functionality which geom(4) does not,
  in fact, provide.
  
  Reviewed by:	phk
  MFC after:	3 days
  Approved by:	re (gjb)

Modified:
  head/share/man/man4/geom.4

Modified: head/share/man/man4/geom.4
==============================================================================
--- head/share/man/man4/geom.4	Tue Sep 10 21:09:20 2013	(r255458)
+++ head/share/man/man4/geom.4	Tue Sep 10 21:16:18 2013	(r255459)
@@ -34,7 +34,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 14, 2013
+.Dd September 10, 2013
 .Dt GEOM 4
 .Os
 .Sh NAME
@@ -354,24 +354,6 @@ only be done with their cooperation.
 Finally: the spoiling only happens when the write count goes from
 zero to non-zero and the retasting happens only when the write count goes
 from non-zero to zero.
-.It Em INSERT/DELETE
-are very special operations which allow a new geom
-to be instantiated between a consumer and a provider attached to
-each other and to remove it again.
-.Pp
-To understand the utility of this, imagine a provider
-being mounted as a file system.
-Between the DEVFS geom's consumer and its provider we insert
-a mirror module which configures itself with one mirror
-copy and consequently is transparent to the I/O requests
-on the path.
-We can now configure yet a mirror copy on the mirror geom,
-request a synchronization, and finally drop the first mirror
-copy.
-We have now, in essence, moved a mounted file system from one
-disk to another while it was being used.
-At this point the mirror geom can be deleted from the path
-again; it has served its purpose.
 .It Em CONFIGURE
 is the process where the administrator issues instructions
 for a particular class to instantiate itself.