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| author | Marco Peereboom <marco@cvs.openbsd.org> | 2005-11-30 20:23:37 +0000 |
|---|---|---|
| committer | Marco Peereboom <marco@cvs.openbsd.org> | 2005-11-30 20:23:37 +0000 |
| commit | 822d5ea4f812ab0c1f31925ed3a5c9f30631d77a (patch) | |
| tree | d5a8948fe5d7429f4b8688355bb7d925a01295fa | |
| parent | e62e8dd7cb55a1e3f43113c48790da49b453fcef (diff) | |
Add watchdog heading.
| -rw-r--r-- | share/man/man4/man4.i386/esm.4 | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/share/man/man4/man4.i386/esm.4 b/share/man/man4/man4.i386/esm.4 index 308f3bcde7e..c1e73d863de 100644 --- a/share/man/man4/man4.i386/esm.4 +++ b/share/man/man4/man4.i386/esm.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: esm.4,v 1.1 2005/11/21 21:46:14 dlg Exp $ +.\" $OpenBSD: esm.4,v 1.2 2005/11/30 20:23:36 marco Exp $ .\" .\" Copyright (c) 2005 David Gwynne <dlg@openbsd.org> .\" @@ -50,6 +50,23 @@ Servers using the Intelligent Platform Management Interface may be monitored by the .Xr ipmi 4 driver. +.Sh WATCHDOG +ESM provides watchdog timer functionality. +Once configured, if the watchdog is not reset within a x second timeout, +the server will reset. +The reset will occur regardless of the recoverability of the hang or crash. +.Bl -tag -width Ds +.It Example of enabling a watchdog: +sysctl -w kern.watchdog.period=10 +.El +.Pp +In this case if the watchdog is not reset it'll reboot the server after roughly +10 seconds. +.Pp +.Bl -tag -width Ds +.It Example of disabling watchdog: +sysctl -w kern.watchdog.period=0 +.El .Sh SEE ALSO .Xr intro 4 , .Xr ipmi 4 , |