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authorJason McIntyre <jmc@cvs.openbsd.org>2009-06-23 18:49:11 +0000
committerJason McIntyre <jmc@cvs.openbsd.org>2009-06-23 18:49:11 +0000
commit234e92227a532c107859aeeb19177cd432dac0fe (patch)
treeeaa8860c397fb4d534aaf84c7fd6c767d3cf959d
parent107267f3815d0c304bb2e3edec88dd519444db50 (diff)
tweak previous;
-rw-r--r--share/man/man4/softraid.426
1 files changed, 11 insertions, 15 deletions
diff --git a/share/man/man4/softraid.4 b/share/man/man4/softraid.4
index e31f20a5277..2b51f82a50f 100644
--- a/share/man/man4/softraid.4
+++ b/share/man/man4/softraid.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: softraid.4,v 1.22 2009/06/17 23:11:38 marco Exp $
+.\" $OpenBSD: softraid.4,v 1.23 2009/06/23 18:49:10 jmc Exp $
.\"
.\" Copyright (c) 2007 Todd T. Fries <todd@OpenBSD.org>
.\" Copyright (c) 2007 Marco Peereboom <marco@OpenBSD.org>
@@ -15,7 +15,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: June 17 2009 $
+.Dd $Mdocdate: June 23 2009 $
.Dt SOFTRAID 4
.Os
.Sh NAME
@@ -80,21 +80,17 @@ Unlike traditional RAID 1,
.Nm
supports the use of more than two chunks in a RAID 1 setup.
.It RAID 4
-A
-.Em striping
-discipline with a fixed parity chunk.
-It stripes data accross chunks and provides parity to prevent data loss of
+A striping discipline with a fixed parity chunk.
+It stripes data across chunks and provides parity to prevent data loss of
a single chunk failure.
-Read performance is increased however write performance is limited by the
-parity chunk.
+Read performance is increased,
+though write performance is limited by the parity chunk.
.It RAID 5
-A
-.Em striping
-discipline with floating parity accross all chunks.
-It stripes data accross chunks and provides parity to prevent data loss of
+A striping discipline with floating parity across all chunks.
+It stripes data across chunks and provides parity to prevent data loss of
a single chunk failure.
-Read performance is increased however write performance should be faster than
-RAID 4.
+Read performance is increased;
+write performance should be faster than RAID 4.
.It CRYPTO
An
.Em encrypting
@@ -169,7 +165,7 @@ The RAID 1 discipline does not initialize the mirror upon creation.
This is by design because all sectors that are read are written first.
There is no point in wasting a lot of time syncing random data.
.Pp
-The RAID 4 & 5 disciplines do not initialize the parity upon creation.
+The RAID 4 and 5 disciplines do not initialize the parity upon creation.
This is due to the scrub functionality not being currently implemented.
.Pp
Currently there is no automated mechanism to recover from failed disks.