diff options
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/raid.4 | 46 | ||||
-rw-r--r-- | share/man/man5/hosts.equiv.5 | 42 |
2 files changed, 44 insertions, 44 deletions
diff --git a/share/man/man4/raid.4 b/share/man/man4/raid.4 index f338c9cf3c3..7445c6fb384 100644 --- a/share/man/man4/raid.4 +++ b/share/man/man4/raid.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: raid.4,v 1.30 2008/06/26 05:42:07 ray Exp $ +.\" $OpenBSD: raid.4,v 1.31 2010/04/01 17:06:55 jmc Exp $ .\" $NetBSD: raid.4,v 1.20 2001/09/22 16:03:58 wiz Exp $ .\" .\" Copyright (c) 1998 The NetBSD Foundation, Inc. @@ -54,7 +54,7 @@ .\" any improvements or extensions that they make and grant Carnegie the .\" rights to redistribute these changes. .\" -.Dd $Mdocdate: June 26 2008 $ +.Dd $Mdocdate: April 1 2010 $ .Dt RAID 4 .Os .Sh NAME @@ -289,26 +289,6 @@ Additional debug information can be sent to the console by specifying: .Bd -unfilled -offset indent option RAIDDEBUG .Ed -.Sh WARNINGS -Certain RAID levels (1, 4, 5, 6, and others) can protect against some -data loss due to component failure. -However the loss of two components of a RAID 4 or 5 system, or the loss -of a single component of a RAID 0 system, will result in the entire -filesystems on that RAID device being lost. -RAID is -.Ar NOT -a substitute for good backup practices. -.Pp -Recomputation of parity -.Ar MUST -be performed whenever there is a chance that it may have been -compromised. -This includes after system crashes, or before a RAID -device has been used for the first time. -Failure to keep parity correct will be catastrophic should a component -ever fail -- it is better to use RAID 0 and get the additional space and -speed, than it is to use parity, but not keep the parity correct. -At least with RAID 0 there is no perception of increased data security. .Sh FILES .Bl -tag -width /dev/XXrXraidX -compact .It Pa /dev/{,r}raid* @@ -319,9 +299,9 @@ device special files. .Xr ccd 4 , .Xr sd 4 , .Xr wd 4 , -.Xr MAKEDEV 8 , .Xr config 8 , .Xr fsck 8 , +.Xr MAKEDEV 8 , .Xr mount 8 , .Xr newfs 8 , .Xr raidctl 8 @@ -352,3 +332,23 @@ driver first appeared in .Nx 1.4 from where it was ported to .Ox 2.5 . +.Sh CAVEATS +Certain RAID levels (1, 4, 5, 6, and others) can protect against some +data loss due to component failure. +However the loss of two components of a RAID 4 or 5 system, or the loss +of a single component of a RAID 0 system, will result in the entire +filesystems on that RAID device being lost. +RAID is +.Ar NOT +a substitute for good backup practices. +.Pp +Recomputation of parity +.Ar MUST +be performed whenever there is a chance that it may have been +compromised. +This includes after system crashes, or before a RAID +device has been used for the first time. +Failure to keep parity correct will be catastrophic should a component +ever fail -- it is better to use RAID 0 and get the additional space and +speed, than it is to use parity, but not keep the parity correct. +At least with RAID 0 there is no perception of increased data security. diff --git a/share/man/man5/hosts.equiv.5 b/share/man/man5/hosts.equiv.5 index e845d5d5a60..307c70b7d65 100644 --- a/share/man/man5/hosts.equiv.5 +++ b/share/man/man5/hosts.equiv.5 @@ -1,4 +1,4 @@ -.\" $OpenBSD: hosts.equiv.5,v 1.11 2007/05/31 19:19:58 jmc Exp $ +.\" $OpenBSD: hosts.equiv.5,v 1.12 2010/04/01 17:06:55 jmc Exp $ .\" .\" Copyright (c) 1997 Todd Vierling .\" Copyright (c) 1997 The NetBSD Foundation, Inc. @@ -35,7 +35,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: May 31 2007 $ +.Dd $Mdocdate: April 1 2010 $ .Dt HOSTS.EQUIV 5 .Os .Sh NAME @@ -87,6 +87,13 @@ local machine. If a .Ar username is not specified, any user may log in with the same user name. +.Sh FILES +.Bl -tag -width /etc/hosts.equiv -compact +.It Pa /etc/hosts.equiv +global trusted host-user pairs list +.It Pa ~/.rhosts +per-user trusted host-user pairs list +.El .Sh EXAMPLES .Bl -ohang -compact .It Li somehost @@ -120,7 +127,18 @@ case, allows any user on any machine to log in to the local host (as any user, if in .Pa /etc/hosts.equiv ) . .El -.Sh WARNINGS +.Sh SEE ALSO +.Xr rcp 1 , +.Xr rsh 1 , +.Xr rcmd 3 , +.Xr ruserok 3 , +.Xr netgroup 5 +.Sh HISTORY +The +.Nm .rhosts +file format appeared in +.Bx 4.2 . +.Sh CAVEATS The user name checks provided by this mechanism are .Em not secure, as the remote user name is received by the server unchecked @@ -157,24 +175,6 @@ Access permitted through root's .Pa .rhosts file is typically only for .Xr rsh 1 . -.Sh FILES -.Bl -tag -width /etc/hosts.equiv -compact -.It Pa /etc/hosts.equiv -global trusted host-user pairs list -.It Pa ~/.rhosts -per-user trusted host-user pairs list -.El -.Sh SEE ALSO -.Xr rcp 1 , -.Xr rsh 1 , -.Xr rcmd 3 , -.Xr ruserok 3 , -.Xr netgroup 5 -.Sh HISTORY -The -.Nm .rhosts -file format appeared in -.Bx 4.2 . .Sh BUGS The .Xr ruserok 3 |