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authorJason McIntyre <jmc@cvs.openbsd.org>2008-01-26 22:55:41 +0000
committerJason McIntyre <jmc@cvs.openbsd.org>2008-01-26 22:55:41 +0000
commit08ea5a9091510223ebb0742543000e050cc8565d (patch)
treeecf129a5c5929d84e1e00a3c4254247db7cbfc68
parent3485179be6715c4c9c9497d30ef6ab1b4a316cf8 (diff)
- shuffle the page a little, to make it read better
- prefer I/O to IO
-rw-r--r--share/man/man4/softraid.427
1 files changed, 14 insertions, 13 deletions
diff --git a/share/man/man4/softraid.4 b/share/man/man4/softraid.4
index 841b1e2dafa..5ef2c2ad24c 100644
--- a/share/man/man4/softraid.4
+++ b/share/man/man4/softraid.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: softraid.4,v 1.14 2008/01/26 16:39:27 jmc Exp $
+.\" $OpenBSD: softraid.4,v 1.15 2008/01/26 22:55:40 jmc Exp $
.\"
.\" Copyright (c) 2007 Todd T. Fries <todd@OpenBSD.org>
.\" Copyright (c) 2007 Marco Peereboom <marco@OpenBSD.org>
@@ -27,16 +27,27 @@
.Sh DESCRIPTION
The
.Nm
-device emulates an HBA (Host Bus Adapter) that provides RAID and other IO
+device emulates a Host Bus Adapter (HBA) that provides RAID and other I/O
related services.
The
.Nm
-device provides a scaffold to implement more complex IO transformation
+device provides a scaffold to implement more complex I/O transformation
disciplines.
For example, one can tie chunks together into a mirroring discipline.
There really is no limit on what type of discipline one can write as long
as it fits the SCSI model.
.Pp
+.Nm
+supports a number of
+.Em disciplines .
+A discipline is a collection of functions
+that provides specific I/O functionality.
+This includes I/O path, bring-up, failure recovery, statistical
+information gathering etc.\&
+Essentially a discipline is a lower
+level driver that provides the I/O transformation for the softraid
+device.
+.Pp
Currently
.Nm
supports the following disciplines:
@@ -60,16 +71,6 @@ supports the use of more than two disks in a RAID 1 setup.
.El
.Pp
A
-.Em discipline
-is a collection of functions that provides specific IO
-functionality.
-This includes IO path, bring-up, failure recovery, statistical
-information gathering etc.\&
-Essentially a discipline is a lower
-level driver that provides the IO transformation for the softraid
-device.
-.Pp
-A
.Em volume
is a virtual disk device that is made up of a collection of chunks.
.Pp