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Tidy up for another release: updated documentation; removed old files;
module build fix.
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@ -4,11 +4,14 @@ dmsetup \- low level logical volume management
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.SH SYNOPSIS
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.ad l
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.B dmsetup create
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.I device_name table_file
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.I device_name table_file [uuid]
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.br
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.B dmsetup remove
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.I device_name
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.br
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.B dmsetup rename
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.I device_name new_name
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.br
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.B dmsetup suspend
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.I device_name
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.br
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@ -20,6 +23,23 @@ dmsetup \- low level logical volume management
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.br
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.B dmsetup info
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.I device_name
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.br
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.B dmsetup deps
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.I device_name
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.br
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.B dmsetup status
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.I device_name
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.br
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.B dmsetup table
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.I device_name
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.br
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.B dmsetup wait
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.I device_name
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.br
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.B dmsetup remove_all
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.I device_name
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.br
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.B dmsetup version
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.ad b
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.SH DESCRIPTION
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dmsetup manages logical devices that use the device-mapper driver.
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@ -27,19 +47,25 @@ Devices are created by loading a table that specifies a target for
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each sector in the logical device.
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The first argument to dmsetup is a command.
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The second argument is the logical device name.
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The second argument is the logical device name or uuid.
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.SH COMMANDS
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.IP \fBcreate
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.I device_name table_file
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.I device_name table_file [uuid]
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.br
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Attempts to create a device using the table file given. If
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Attempts to create a device using the table file given.
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The optional uuid can be used in place of
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device_name in subsequent dmsetup commands. If
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successful a device will appear as
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/dev/device-mapper/<device-name>. See below for information
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on the table file format.
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.IP \fBremove
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.I device_name
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.br
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Removes the device
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Removes a device
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.IP \fBrename
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.I device_name new_name
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.br
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Renames a device
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.IP \fBsuspend
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.I device_name
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.br
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@ -67,14 +93,40 @@ Outputs some brief information about the device in the form:
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major,minor
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.br
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target_count
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.IP \fBdeps
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.I device_name
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.br
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Outputs a list of (major, minor) pairs for devices referenced by the
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specified device.
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.IP \fBstatus
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.I device_name
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.br
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Outputs status information for each of the device's targets.
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.IP \fBtable
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.I device_name
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.br
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Outputs the current table for the device in a format than can be fed
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back in using the create or reload commands.
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.IP \fBwait
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.I device_name
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.br
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Sleeps until an event is triggered against a device.
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.IP \fBremove_all
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.br
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Attempts to remove all device definitions i.e. reset the driver.
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Use with care!
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.IP \fBversion
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.I device_name
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.br
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Outputs version information.
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.SH TABLE FORMAT
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Each line of the table specifies a single target and is of the form:
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.br
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logical_start_sector num_sectors target_type target_args
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.br
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.br
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At the moment there are 3 simple target types available - though your
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system might have more in the form of modules.
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There are currently three simple target types available together
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with more complex optional ones that implement snapshots and mirrors.
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.IP \fBlinear
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.I destination_device start_sector
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