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Diffstat (limited to 'static/openbsd/man5/disktab.5')
| -rw-r--r-- | static/openbsd/man5/disktab.5 | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/static/openbsd/man5/disktab.5 b/static/openbsd/man5/disktab.5 new file mode 100644 index 00000000..6ff8bab7 --- /dev/null +++ b/static/openbsd/man5/disktab.5 @@ -0,0 +1,151 @@ +.\" $OpenBSD: disktab.5,v 1.23 2022/11/07 10:21:17 krw Exp $ +.\" $NetBSD: disktab.5,v 1.4 1994/11/30 19:31:15 jtc Exp $ +.\" +.\" Copyright (c) 1983, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)disktab.5 8.1 (Berkeley) 6/5/93 +.\" +.Dd $Mdocdate: November 7 2022 $ +.Dt DISKTAB 5 +.Os +.Sh NAME +.Nm disktab +.Nd disk description file +.Sh DESCRIPTION +.Nm +is a simple database which describes disk geometries and +disk partition characteristics. +It is used +to initialize the disk label on the disk. +The format is patterned after the +.Xr termcap 5 +terminal database. +Entries in +.Nm +consist of a number of colon +.Pq Ql \&: +separated fields. +The first entry for each disk gives the names which are +known for the disk, separated by +.Dq \&| +characters. +The last name given should be a long name fully identifying the disk. +.Pp +The following list indicates the normal values stored for each disk entry: +.Bl -column "d[0-4]" "bool" "Description" +.It Sy Name Ta Sy Type Ta Sy Description +.It \&dt Ta str Ta "Type of controller (e.g., SMD, ESDI, floppy)." +.It \&ns Ta num Ta "Number of sectors per track." +.It \&nt Ta num Ta "Number of tracks per cylinder." +.It \&nc Ta num Ta "Total number of cylinders on the disk." +.It \&sc Ta num Ta "Number of sectors per cylinder (default: ns*nt)." +.It \&su Ta num Ta "Number of sectors per unit (default: sc*nc)." +.It \&se Ta num Ta "Sector size in bytes (default:" +.Dv DEV_BSIZE ) . +.Pp +.It \&ba Ta num Ta "Block size for partition" +.Dq a +(bytes). +.It \&bd Ta num Ta "Block size for partition" +.Dq d +(bytes). +.It \&be Ta num Ta "Block size for partition" +.Dq e +(bytes). +.It [...] Ta "" Ta "" +.It \&bp Ta num Ta "Block size for partition" +.Dq p +(bytes). +.Pp +.It \&fa Ta num Ta "Fragment size for partition" +.Dq a +(bytes). +.It \&fd Ta num Ta "Fragment size for partition" +.Dq d +(bytes). +.It \&fe Ta num Ta "Fragment size for partition" +.Dq e +(bytes). +.It [...] Ta "" Ta "" +.It \&fp Ta num Ta "Fragment size for partition" +.Dq p +(bytes). +.Pp +.It \&oa Ta num Ta "Offset of partition" +.Dq a +(sectors). +.It \&ob Ta num Ta "Offset of partition" +.Dq b +(sectors). +.It \&oc Ta num Ta "Offset of partition" +.Dq c +(sectors). +.It [...] Ta "" Ta "" +.It \&op Ta num Ta "Offset of partition" +.Dq p +(sectors). +.Pp +.It \&pa Ta num Ta "Size of partition" +.Dq a +(sectors). +.It \&pb Ta num Ta "Size of partition" +.Dq b +(sectors). +.It \&pc Ta num Ta "Size of partition" +.Dq c +(sectors). +.It [...] Ta "" Ta "" +.It \&pp Ta num Ta "Size of partition" +.Dq p +(sectors). +.Pp +.It \&ta Ta str Ta "Type of partition" +.Dq a +(4.2BSD, swap, etc.). +.It \&tb Ta str Ta "Type of partition" +.Dq b . +.It \&tc Ta str Ta "Type of partition" +.Dq c . +.It [...] Ta "" Ta "" +.It \&tp Ta str Ta "Type of partition" +.Dq p . +.El +.Sh FILES +.Bl -tag -width /etc/disktab -compact +.It Pa /etc/disktab +.El +.Sh SEE ALSO +.Xr getdiskbyname 3 , +.Xr disklabel 5 , +.Xr disklabel 8 , +.Xr newfs 8 +.Sh HISTORY +The +.Nm +description file appeared in +.Bx 4.2 . |