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Document the output of the show command. Modified version of patch

Browse Source 
provided by Bas Smeelen <b.smeelen@ose.nl>.  Use of 'gpart list'
suggested by by Andrey V. Elsukov <ae@FreeBSD.org>.

PR:		docs/174270
Submitted by:	Ronald F.Guilmette <rfg@tristatelogic.com>
Reviewed by:	ae (block sizes)
MFC after:	1 week
This commit is contained in:
Warren Block 2013-01-03 21:58:28 +00:00
parent fc24ac81d2
commit fa7aed6c87
1 changed files with 16 additions and 10 deletions
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26
sbin/geom/class/part/gpart.8
View File

@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd March 19, 2012
.Dd January 3, 2013
.Dt GPART 8
.Os
.Sh NAME
@ -453,8 +453,14 @@ about its use.
.El
.\" ==== SHOW ====
.It Cm show
Show the current partition information of the specified geoms
or all geoms if none are specified.
Show current partition information for the specified geoms, or all
geoms if none are specified.
The default output includes the logical starting block of each
partition, the partition size in blocks, the partition index number,
the partition type, and a human readable partition size.
Block sizes and locations are based on the device's Sectorsize
as shown by
.Cm gpart list .
Additional options include:
.Bl -tag -width 10n
.It Fl l
@ -919,7 +925,7 @@ and
.Cm list
will report about corrupt tables.
.Pp
If the size of the device has changed (e.g.\& volume expansion) the
If the size of the device has changed (e.g.,\& volume expansion) the
secondary GPT header will no longer be located in the last sector.
This is not a metadata corruption, but it is dangerous because any
corruption of the primary GPT will lead to loss of the partition table.
@ -979,14 +985,14 @@ This may break a mirrored volume and lead to data damage.
Exit status is 0 on success, and 1 if the command fails.
.Sh EXAMPLES
Create a GPT scheme on
.Pa ad0 :
.Pa ada0 :
.Bd -literal -offset indent
/sbin/gpart create -s GPT ad0
/sbin/gpart create -s GPT ada0
.Ed
.Pp
Embed GPT bootstrap code into a protective MBR:
.Bd -literal -offset indent
/sbin/gpart bootcode -b /boot/pmbr ad0
/sbin/gpart bootcode -b /boot/pmbr ada0
.Ed
.Pp
Create a dedicated
@ -1011,15 +1017,15 @@ aligned on a 64 kB boundary without the need to specify an explicit
offset or alignment.
The boot partition itself is aligned on a 4 kB boundary.
.Bd -literal -offset indent
/sbin/gpart add -b 40 -s 88 -t freebsd-boot ad0
/sbin/gpart bootcode -p /boot/gptboot -i 1 ad0
/sbin/gpart add -b 40 -s 88 -t freebsd-boot ada0
/sbin/gpart bootcode -p /boot/gptboot -i 1 ada0
.Ed
.Pp
Create a 512MB-sized
.Cm freebsd-ufs
partition to contain a UFS filesystem from which the system can boot.
.Bd -literal -offset indent
/sbin/gpart add -s 512M -t freebsd-ufs ad0
/sbin/gpart add -s 512M -t freebsd-ufs ada0
.Ed
.Pp
Create an MBR scheme on