| gsched.8 (211962) | gsched.8 (231992) |
|---|---|
| 1.\" Copyright (c) 2009-2010 Fabio Checconi 2.\" Copyright (c) 2009-2010 Luigi Rizzo, Universita` di Pisa 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" | 1.\" Copyright (c) 2009-2010 Fabio Checconi 2.\" Copyright (c) 2009-2010 Luigi Rizzo, Universita` di Pisa 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/sbin/geom/class/sched/gsched.8 211962 2010-08-29 11:32:41Z uqs $ | 26.\" $FreeBSD: head/sbin/geom/class/sched/gsched.8 231992 2012-02-22 04:51:17Z eadler $ |
| 27.\" 28.Dd August 29, 2010 29.Dt GSCHED 8 30.Os 31.Sh NAME 32.Nm gsched 33.Nd "control utility for disk scheduler GEOM class" 34.Sh SYNOPSIS --- 101 unchanged lines hidden (view full) --- 136.Sh EXAMPLES 137The following example shows how to create a scheduling provider for disk 138.Pa /dev/ad0 , 139and how to destroy it. 140.Bd -literal -offset indent 141# Load the geom_sched module: 142kldload geom_sched 143# Load some scheduler classes used by geom_sched: | 27.\" 28.Dd August 29, 2010 29.Dt GSCHED 8 30.Os 31.Sh NAME 32.Nm gsched 33.Nd "control utility for disk scheduler GEOM class" 34.Sh SYNOPSIS --- 101 unchanged lines hidden (view full) --- 136.Sh EXAMPLES 137The following example shows how to create a scheduling provider for disk 138.Pa /dev/ad0 , 139and how to destroy it. 140.Bd -literal -offset indent 141# Load the geom_sched module: 142kldload geom_sched 143# Load some scheduler classes used by geom_sched: |
| 144kldload gsched_rr gsched_as | 144kldload gsched_rr |
| 145# Configure device ad0 to use scheduler "rr": 146geom sched insert -a rr ad0 147# Now provider ad0 uses the "rr" algorithm; 148# the new geom is ad0.sched. 149# Remove the scheduler on the device: 150geom sched destroy -v ad0.sched. 151.Ed 152.Pp 153.Sh SEE ALSO 154.Xr geom 4 , 155.Xr geom 8 156.Sh HISTORY 157The 158.Nm 159utility first appeared in 160.Fx 8.1 . 161.Sh AUTHORS 162.An Fabio Checconi Aq fabio@FreeBSD.org 163.An Luigi Rizzo Aq luigi@FreeBSD.org | 145# Configure device ad0 to use scheduler "rr": 146geom sched insert -a rr ad0 147# Now provider ad0 uses the "rr" algorithm; 148# the new geom is ad0.sched. 149# Remove the scheduler on the device: 150geom sched destroy -v ad0.sched. 151.Ed 152.Pp 153.Sh SEE ALSO 154.Xr geom 4 , 155.Xr geom 8 156.Sh HISTORY 157The 158.Nm 159utility first appeared in 160.Fx 8.1 . 161.Sh AUTHORS 162.An Fabio Checconi Aq fabio@FreeBSD.org 163.An Luigi Rizzo Aq luigi@FreeBSD.org |