diff options
| -rw-r--r-- | share/man/man4/softraid.4 | 27 |
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 |