mdoc(7) police: misc formatting fixes.
(This page still needs a lot of work.)
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@ -235,7 +235,9 @@ itself must be provided as the canonical name, i.e. not as a full
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path name.
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.Pp
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For most harddisks, a label based on percentages for most partitions (and
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one partition with a size of '*') will produce a reasonable configuration.
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one partition with a size of
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.Ql * )
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will produce a reasonable configuration.
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.Pp
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PC-based systems have special requirements in order for the BIOS to properly
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recognize a
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@ -569,7 +571,9 @@ specifies that the drive can perform bad sector remapping.
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.It Nm sectors/unit
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describes the total size of the disk. This value must be correct.
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.It Nm the partition table
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This is the UNIX partition table, not the Microsoft partition table described in
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This is the
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.Ux
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partition table, not the Microsoft partition table described in
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.Xr fdisk 8 .
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.El
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.Pp
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@ -578,28 +582,35 @@ information:
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.Bl -hang -width 10n
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.It identifier
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The partition identifier is a single letter in the range
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.Nm a
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.Dq a
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to
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.Nm h .
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.Dq h .
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By convention, partition
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.Nm c
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.Dq c
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is reserved to describe the entire disk.
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.It size
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is the size of the partition in sectors,
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.Nm K
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.Cm K
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(kilobytes - 1024),
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.Nm M
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.Cm M
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(megabytes - 1024*1024),
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.Nm G
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.Cm G
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(gigabytes - 1024*1024*1024),
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.Nm %
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.Cm %
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(percentage of free space AFTER removing any fixed-size partitions other
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than partition
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.Nm c
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), or * (all remaining free space AFTER fixed-size and percentage
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.Dq c) ,
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or
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.Cm *
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(all remaining free space AFTER fixed-size and percentage
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partitions). For partition
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.Nm c ,
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a size of * indicates the entire disk. Lowercase versions of K, M, and G
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.Dq c ,
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a size of
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.Cm *
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indicates the entire disk. Lowercase versions of
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.Cm K , M ,
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and
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.Cm G
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are allowed.
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Size and type should be specifed without any spaces between them.
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.Pp
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@ -607,38 +618,41 @@ Example: 2097152, 1g, 1024m and 1048576k are all the same size
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(assuming 512-byte sectors).
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.It offset
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is the offset of the start of the partition from the beginning of the
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drive in sectors, or * to have
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drive in sectors, or
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.Cm *
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to have
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.Nm
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calculate the correct offset to use (the end of the previous partition plus
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one, ignoring partition
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.Nm c .
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.Dq c .
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For partition
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.Nm c ,
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* will be interpreted as an offset of 0.
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.Dq c ,
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.Cm *
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will be interpreted as an offset of 0.
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.It fstype
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describes the purpose of the partition. The example shows most normal usages.
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For UFS file systems, use type
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.Nm 4.2BSD .
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.Cm 4.2BSD .
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Other common types are
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.Nm unused
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.Cm unused
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and
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.Nm swap .
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.Cm swap .
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See
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.Pa /usr/include/sys/disklabel.h
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for a complete list.
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.It fsize
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For
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.Nm 4.2BSD
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.Cm 4.2BSD
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and LFS file systems only, the fragment size. Defaults to 8192 for
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partitions smaller than 1 GB, 16384 for partitions 1GB or larger.
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.It bsize
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For
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.Nm 4.2BSD
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.Cm 4.2BSD
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and LFS file systems only, the block size. Defaults to 1024 for
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partitions smaller than 1 GB, 4096 for partitions 1GB or larger.
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.It bps/cpg
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For
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.Nm 4.2BSD
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.Cm 4.2BSD
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file systems, the number of cylinders in a cylinder group. For LFS file
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systems, the segment shift value. Defaults to 16 for
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partitions smaller than 1 GB, 64 for partitions 1GB or larger.
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@ -719,7 +733,11 @@ Display what the label would be for
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using the partition layout in
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.Pa label_layout .
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This is useful for determining how much space would be alloted for various
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partitions with a labelling scheme using %-based or * partition sizes.
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partitions with a labelling scheme using
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.Cm % Ns -based
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or
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.Cm *
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partition sizes.
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.Pp
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.Dl disklabel -B da0s1
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.Pp
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@ -758,7 +776,11 @@ commands are optional, but may be necessary for some BIOSes to properly
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recognize the disk.
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.Pp
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This is an example disklabel that uses some of the new partition size types
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such as %, M, G, and *, which could be used as a source file for
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such as
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.Cm % , M , G ,
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and
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.Cm * ,
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which could be used as a source file for
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.Pp
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.Dl disklabel -R ad0s1c new_label_file
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.Bd -literal -offset 4n
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@ -853,8 +875,8 @@ starts at absolute block 0 on the disk.
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.Pp
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.Nm
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does not perform all possible error checking. Warning *is* given if partitions
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overlap; if an absolute offset doesn't match the expected offset; if the
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.Nm c
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partition doesn't start at 0 or doesn't cover the entire slice; if a
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overlap; if an absolute offset does not match the expected offset; if the
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.Dq c
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partition does not start at 0 or does not cover the entire slice; if a
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partition runs past the end of the device; and a number of other errors; but
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no warning is given if space remains unused.
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@ -235,7 +235,9 @@ itself must be provided as the canonical name, i.e. not as a full
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path name.
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.Pp
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For most harddisks, a label based on percentages for most partitions (and
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one partition with a size of '*') will produce a reasonable configuration.
|
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one partition with a size of
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.Ql * )
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will produce a reasonable configuration.
|
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.Pp
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PC-based systems have special requirements in order for the BIOS to properly
|
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recognize a
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@ -569,7 +571,9 @@ specifies that the drive can perform bad sector remapping.
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.It Nm sectors/unit
|
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describes the total size of the disk. This value must be correct.
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.It Nm the partition table
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This is the UNIX partition table, not the Microsoft partition table described in
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This is the
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.Ux
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partition table, not the Microsoft partition table described in
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.Xr fdisk 8 .
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.El
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.Pp
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@ -578,28 +582,35 @@ information:
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.Bl -hang -width 10n
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.It identifier
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The partition identifier is a single letter in the range
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.Nm a
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.Dq a
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to
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.Nm h .
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.Dq h .
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By convention, partition
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.Nm c
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.Dq c
|
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is reserved to describe the entire disk.
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.It size
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is the size of the partition in sectors,
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.Nm K
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.Cm K
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(kilobytes - 1024),
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.Nm M
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.Cm M
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(megabytes - 1024*1024),
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.Nm G
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.Cm G
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(gigabytes - 1024*1024*1024),
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.Nm %
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.Cm %
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(percentage of free space AFTER removing any fixed-size partitions other
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than partition
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.Nm c
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), or * (all remaining free space AFTER fixed-size and percentage
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.Dq c) ,
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or
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.Cm *
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(all remaining free space AFTER fixed-size and percentage
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partitions). For partition
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.Nm c ,
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a size of * indicates the entire disk. Lowercase versions of K, M, and G
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.Dq c ,
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a size of
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.Cm *
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indicates the entire disk. Lowercase versions of
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.Cm K , M ,
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and
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.Cm G
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are allowed.
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Size and type should be specifed without any spaces between them.
|
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.Pp
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@ -607,38 +618,41 @@ Example: 2097152, 1g, 1024m and 1048576k are all the same size
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(assuming 512-byte sectors).
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.It offset
|
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is the offset of the start of the partition from the beginning of the
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drive in sectors, or * to have
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drive in sectors, or
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.Cm *
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to have
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.Nm
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calculate the correct offset to use (the end of the previous partition plus
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one, ignoring partition
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.Nm c .
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.Dq c .
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For partition
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.Nm c ,
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* will be interpreted as an offset of 0.
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.Dq c ,
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.Cm *
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will be interpreted as an offset of 0.
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.It fstype
|
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describes the purpose of the partition. The example shows most normal usages.
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For UFS file systems, use type
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.Nm 4.2BSD .
|
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.Cm 4.2BSD .
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Other common types are
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.Nm unused
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.Cm unused
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and
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.Nm swap .
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.Cm swap .
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See
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.Pa /usr/include/sys/disklabel.h
|
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for a complete list.
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.It fsize
|
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For
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.Nm 4.2BSD
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.Cm 4.2BSD
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and LFS file systems only, the fragment size. Defaults to 8192 for
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partitions smaller than 1 GB, 16384 for partitions 1GB or larger.
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.It bsize
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For
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.Nm 4.2BSD
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.Cm 4.2BSD
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and LFS file systems only, the block size. Defaults to 1024 for
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partitions smaller than 1 GB, 4096 for partitions 1GB or larger.
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.It bps/cpg
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For
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.Nm 4.2BSD
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.Cm 4.2BSD
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file systems, the number of cylinders in a cylinder group. For LFS file
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systems, the segment shift value. Defaults to 16 for
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partitions smaller than 1 GB, 64 for partitions 1GB or larger.
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@ -719,7 +733,11 @@ Display what the label would be for
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using the partition layout in
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.Pa label_layout .
|
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This is useful for determining how much space would be alloted for various
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partitions with a labelling scheme using %-based or * partition sizes.
|
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partitions with a labelling scheme using
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.Cm % Ns -based
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or
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.Cm *
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partition sizes.
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.Pp
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.Dl disklabel -B da0s1
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.Pp
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@ -758,7 +776,11 @@ commands are optional, but may be necessary for some BIOSes to properly
|
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recognize the disk.
|
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.Pp
|
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This is an example disklabel that uses some of the new partition size types
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such as %, M, G, and *, which could be used as a source file for
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such as
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.Cm % , M , G ,
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and
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.Cm * ,
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which could be used as a source file for
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.Pp
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.Dl disklabel -R ad0s1c new_label_file
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.Bd -literal -offset 4n
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@ -853,8 +875,8 @@ starts at absolute block 0 on the disk.
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.Pp
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.Nm
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does not perform all possible error checking. Warning *is* given if partitions
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overlap; if an absolute offset doesn't match the expected offset; if the
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.Nm c
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partition doesn't start at 0 or doesn't cover the entire slice; if a
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overlap; if an absolute offset does not match the expected offset; if the
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.Dq c
|
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partition does not start at 0 or does not cover the entire slice; if a
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partition runs past the end of the device; and a number of other errors; but
|
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no warning is given if space remains unused.
|
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|
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