diff options
| -rw-r--r-- | share/man/man4/geom.4 | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/share/man/man4/geom.4 b/share/man/man4/geom.4 index 4606676..3cfc283 100644 --- a/share/man/man4/geom.4 +++ b/share/man/man4/geom.4 @@ -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. |
