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- markup 

- typo; the label command labels partitions, not remove them
- migrate -s isn't applicable to NetBSD
- add information about the space required for migration
- add a "gpt show -l" example
This commit is contained in:
jnemeth 2013-10-24 06:59:03 +00:00
parent 91e8462c33
commit 34523e4b09
1 changed files with 37 additions and 5 deletions
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42
sbin/gpt/gpt.8
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@ -1,4 +1,4 @@
.\" $NetBSD: gpt.8,v 1.13 2013/10/20 21:13:23 jnemeth Exp $
.\" $NetBSD: gpt.8,v 1.14 2013/10/24 06:59:03 jnemeth Exp $
.\"
.\" Copyright (c) 2002 Marcel Moolenaar
.\" All rights reserved.
@ -26,7 +26,7 @@
.\"
.\" $FreeBSD: src/sbin/gpt/gpt.8,v 1.17 2006/06/22 22:22:32 marcel Exp $
.\"
.Dd March 9, 2012
.Dd October 23, 2013
.Dt GPT 8
.Os
.Sh NAME
@ -42,7 +42,9 @@
The
.Nm
utility provides the necessary functionality to manipulate GUID partition
tables (GPTs), but see
tables
.Pq GPTs ,
but see
.Sx BUGS
below for how and where functionality is missing.
The basic usage model of the
@ -209,7 +211,7 @@ option selects the partition with the given partition number.
The
.Fl s Ar count
option selects all partitions that have the given size.
This can cause multiple partitions to be removed.
This can cause multiple partitions to be labeled.
.Pp
The
.Fl t Ar type
@ -217,7 +219,7 @@ option selects all partitions that have the given type.
The type is given as an UUID or by the aliases that the
.Ic add
command accepts.
This can cause multiple partitions to be removed.
This can cause multiple partitions to be labeled.
.Pp
The
.Fl f Ar file
@ -259,6 +261,27 @@ option prevents migrating
.Bx
disk labels into GPT partitions by creating
the GPT equivalent of a slice.
Note that the
.Fl s
option isn't applicable to
.Nx
partitions.
.Pp
The
.Ic migrate
command requires space at the beginning and the end of the device outside
any partitions to store the GPTs.
Space is required for the GPT header
.Pq which takes one sector
and the GPT partition table.
See the
.Fl p
option
for the size of the GPT partition table.
By default, just about all devices have a minimum of 62 sectors free at the
beginning of the device, but don't have any free space at the end.
For the default GPT partition table size on a 512 byte sector size device,
33 sectors at the end of the device would need to be freed.
.\" ==== recover ====
.It Nm Ic recover Ar device ...
The
@ -331,6 +354,15 @@ nas# gpt show wd3
10486258 3896542877
3907029135 32 Sec GPT table
3907029167 1 Sec GPT header
nas# gpt show -l wd3
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 10486224 1 GPT part - "swap_1"
10486258 3896542877
3907029135 32 Sec GPT table
3907029167 1 Sec GPT header
nas#
.Ed
.Sh SEE ALSO