disklabel(8) manual page:
--change "-s newboot" to "-s newboot2" in an example --Fixed spelling --Fixed some confusion between slice/parition/primary partition and other things. PR: 35947 and 35951 Noticed by: Gary W. Swearingen <swear@blarg.net> Reviewed by: keramida Thanks to: grog MFC after: 2 days
This commit is contained in:
Tom Rhodes
parent
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=94803
@ -104,7 +104,7 @@ addition,
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can install bootstrap code.
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.Ss Raw or in-core label
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.Pp
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The disk label is resident close to or at the beginning of each disk partition.
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The disk label resides close to or at the beginning of each disk slice.
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For faster access, the kernel maintains a copy in core at all times. By
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default, most
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.Nm
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@ -123,7 +123,7 @@ All
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forms require a disk device name, which should always be the raw
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device name representing the disk or slice. For example
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.Pa da0
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represents the entire disk irregardless of any DOS partitioning,
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represents the entire disk regardless of any DOS partitioning,
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and
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.Pa da0s1
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represents a slice. Some devices, most notably
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@ -245,8 +245,9 @@ recognize a
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disklabel. Older systems may require what is known as a
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.Dq dangerously dedicated
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disklabel, which creates a fake DOS partition to work around problems older
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BIOSes have with modern disk geometries. On newer systems you generally want
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to create a normal DOS slice using
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BIOSes have with modern disk geometries.
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On newer systems you generally want
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to create a normal DOS partition using
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.Ar fdisk
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and then create a
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.Fx
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@ -329,13 +330,14 @@ The final three forms of
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.Nm
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are used to install bootstrap code. If you are creating a
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.Dq dangerously-dedicated
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partition for compatibility with older PC systems,
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slice for compatibility with older PC systems,
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you generally want to specify the raw disk name such as
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.Pa da0 .
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If you are creating a label within an existing DOS slice, you should specify
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the slice name such as
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.Pa da0s1 .
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Making a partition bootable can be tricky. If you are using a normal DOS
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If you are creating a label within an existing DOS slice,
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you should specify
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the partition name such as
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.Pa da0s1a .
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Making a slice bootable can be tricky. If you are using a normal DOS
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slice you typically install (or leave) a standard MBR on the base disk and
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then install the
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.Fx
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@ -454,26 +456,22 @@ slices.
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.Bl -enum
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.It
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Use
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.Ar fdisk
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to initialize the DOS partition table, creating a real whole-disk slice to
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hold the
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.Fx
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disklabel, and installing a master boot record.
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.Xr fdisk 8
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to initialize the hard disk, and create a slice table, referred to
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as the partition table in DOS.
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Here you will define disk slices for your system.
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.It
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Use
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.Ar disklabel
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to initialize a virgin
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.Fx
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disklabel and install
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.Fx
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boot blocks.
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.Xr disklabel 8
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to define and write partitions and mount points.
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You are not required to define the mount points here though,
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they can be defined later using
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.Xr mount 8 .
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.It
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Use
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.Ar disklabel
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to edit your newly created label, adding appropriate partitions.
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.It
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Finally newfs the filesystem partitions you created in the label. A typical
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disklabel partitioning scheme would be to have an
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Finally use
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.Xr newfs 8
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to create a filesystem on the new partition.
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A typical partitioning scheme would be to have an
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.Dq a
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partition
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of approximately 128MB to hold the root filesystem, a
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@ -762,7 +760,7 @@ and possibly
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.Pa /boot/boot2 .
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On-disk and in-core labels are unchanged.
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.Pp
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.Dl disklabel -w -B /dev/da0s1 -b newboot1 -s newboot da2212
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.Dl disklabel -w -B /dev/da0s1 -b newboot1 -s newboot2 da2212
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.Pp
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Install a new label and bootstrap.
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The label is derived from disktab information for
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@ -104,7 +104,7 @@ addition,
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can install bootstrap code.
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.Ss Raw or in-core label
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.Pp
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The disk label is resident close to or at the beginning of each disk partition.
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The disk label resides close to or at the beginning of each disk slice.
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For faster access, the kernel maintains a copy in core at all times. By
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default, most
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.Nm
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@ -123,7 +123,7 @@ All
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forms require a disk device name, which should always be the raw
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device name representing the disk or slice. For example
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.Pa da0
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represents the entire disk irregardless of any DOS partitioning,
|
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represents the entire disk regardless of any DOS partitioning,
|
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and
|
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.Pa da0s1
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represents a slice. Some devices, most notably
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@ -245,8 +245,9 @@ recognize a
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disklabel. Older systems may require what is known as a
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.Dq dangerously dedicated
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disklabel, which creates a fake DOS partition to work around problems older
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BIOSes have with modern disk geometries. On newer systems you generally want
|
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to create a normal DOS slice using
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BIOSes have with modern disk geometries.
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On newer systems you generally want
|
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to create a normal DOS partition using
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.Ar fdisk
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and then create a
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.Fx
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@ -329,13 +330,14 @@ The final three forms of
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.Nm
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are used to install bootstrap code. If you are creating a
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.Dq dangerously-dedicated
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partition for compatibility with older PC systems,
|
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slice for compatibility with older PC systems,
|
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you generally want to specify the raw disk name such as
|
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.Pa da0 .
|
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If you are creating a label within an existing DOS slice, you should specify
|
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the slice name such as
|
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.Pa da0s1 .
|
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Making a partition bootable can be tricky. If you are using a normal DOS
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If you are creating a label within an existing DOS slice,
|
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you should specify
|
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the partition name such as
|
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.Pa da0s1a .
|
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Making a slice bootable can be tricky. If you are using a normal DOS
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slice you typically install (or leave) a standard MBR on the base disk and
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then install the
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.Fx
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@ -454,26 +456,22 @@ slices.
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.Bl -enum
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.It
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Use
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.Ar fdisk
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to initialize the DOS partition table, creating a real whole-disk slice to
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hold the
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.Fx
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disklabel, and installing a master boot record.
|
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.Xr fdisk 8
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to initialize the hard disk, and create a slice table, referred to
|
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as the partition table in DOS.
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Here you will define disk slices for your system.
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.It
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Use
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.Ar disklabel
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to initialize a virgin
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.Fx
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disklabel and install
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.Fx
|
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boot blocks.
|
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.Xr disklabel 8
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to define and write partitions and mount points.
|
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You are not required to define the mount points here though,
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they can be defined later using
|
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.Xr mount 8 .
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.It
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Use
|
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.Ar disklabel
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to edit your newly created label, adding appropriate partitions.
|
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.It
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Finally newfs the filesystem partitions you created in the label. A typical
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disklabel partitioning scheme would be to have an
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Finally use
|
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.Xr newfs 8
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to create a filesystem on the new partition.
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A typical partitioning scheme would be to have an
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.Dq a
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partition
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of approximately 128MB to hold the root filesystem, a
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@ -762,7 +760,7 @@ and possibly
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.Pa /boot/boot2 .
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On-disk and in-core labels are unchanged.
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.Pp
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||||
.Dl disklabel -w -B /dev/da0s1 -b newboot1 -s newboot da2212
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.Dl disklabel -w -B /dev/da0s1 -b newboot1 -s newboot2 da2212
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.Pp
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Install a new label and bootstrap.
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The label is derived from disktab information for
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