[src/trunk]: src/share/man/man4 Document the two sd config options (SDRETRIES...

[mjacob <mjacob%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/69107db1c063
branches:  trunk
changeset: 510223:69107db1c063
user:      mjacob <mjacob%NetBSD.org@localhost>
date:      Tue May 22 22:59:38 2001 +0000

description:
Document the two sd config options (SDRETRIES, SD_IO_TIMEOUT)

diffstat:

 share/man/man4/sd.4 |  21 ++++++++++++++++++++-
 1 files changed, 20 insertions(+), 1 deletions(-)

diffs (35 lines):

diff -r 9d8b89fcb270 -r 69107db1c063 share/man/man4/sd.4
--- a/share/man/man4/sd.4       Tue May 22 22:48:09 2001 +0000
+++ b/share/man/man4/sd.4       Tue May 22 22:59:38 2001 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sd.4,v 1.9 1999/12/23 21:24:03 leo Exp $
+.\"    $NetBSD: sd.4,v 1.10 2001/05/22 22:59:38 mjacob Exp $
 .\"
 .\" Copyright (c) 1996
 .\"     Julian Elischer <julian%freebsd.org@localhost>.  All rights reserved.
@@ -147,6 +147,25 @@
 .\"on the
 .\".Tn SCSI
 .\"bus.
+.Sh CONFIGURATION OPTIONS
+The following
+.Xr config 8
+options may be applied to
+.Tn SCSI
+disks as well as to other disks.
+.Pp
+.Bl -tag -width SD_IO_TIMEOUT
+.It Dv SDRETRIES
+Set the number of retries that will be performed for operations it
+makes sense to retry (e.g., normal reads and writes). The default
+is four (4).
+.It Dv SD_IO_TIMEOUT
+Set amount of time, in milliseconds, a normal read or write is expected
+to take. The defaults is sixty seconds (60000 milliseconds). This is used
+to set watchdog timers in the
+.Tn SCSI
+HBA driver to catch commands that might have died on the device.
+.Pp
 .Sh IOCTLS
 The following
 .Xr ioctl 2