A Volume Group of the Logical Volume Manager (LVM). More...

#include <LvmVg.h>

Inheritance diagram for storage::LvmVg:

Collaboration diagram for storage::LvmVg:

Public Member Functions
const std::string &	get_vg_name () const
	Get volume group name. More...

void	set_vg_name (const std::string &vg_name)

const Region &	get_region () const

unsigned long long	get_size () const

std::string	get_size_string () const

unsigned long long	get_extent_size () const
	Returns the extent size of the volume group. More...

void	set_extent_size (unsigned long long extent_size)
	Set the extent size of the volume group. More...

unsigned long long	number_of_extents () const
	Calculates the number of extents in the volume group.

unsigned long long	number_of_used_extents () const
	Calculates the number of used extents in the volume group. More...

unsigned long long	number_of_free_extents () const
	Calculates the number of free extents in the volume group.

LvmPv *	add_lvm_pv (BlkDevice *blk_device)
	Adds a block device as a physical volume to the volume group. More...

void	remove_lvm_pv (BlkDevice *blk_device)
	Removes a block device from the volume group. More...

LvmLv *	create_lvm_lv (const std::string &lv_name, unsigned long long size)
	Create a logical volume with name lv_name in the volume group.

void	delete_lvm_lv (LvmLv *lvm_lv)
	Delete a logical volume in the volume group. More...

std::vector< LvmPv * >	get_lvm_pvs ()

std::vector< const LvmPv * >	get_lvm_pvs () const

LvmLv *	get_lvm_lv (const std::string &lv_name)

std::vector< LvmLv * >	get_lvm_lvs ()

std::vector< const LvmLv * >	get_lvm_lvs () const

Impl &	get_impl ()

const Impl &	get_impl () const

virtual LvmVg *	clone () const override

Public Member Functions inherited from storage::Device
sid_t	get_sid () const

bool	operator== (const Device &rhs) const

bool	operator!= (const Device &rhs) const

bool	exists_in_devicegraph (const Devicegraph *devicegraph) const
	Checks if the device exists in the devicegraph.

bool	exists_in_probed () const
	Checks if the device exists in the probed devicegraph.

bool	exists_in_staging () const
	Checks if the device exists in the staging devicegraph.

std::string	get_displayname () const

virtual ResizeInfo	detect_resize_info () const

bool	has_children () const

size_t	num_children () const

bool	has_parents () const

size_t	num_parents () const

std::vector< Device * >	get_children ()

std::vector< const Device * >	get_children () const

std::vector< Device * >	get_parents ()

std::vector< const Device * >	get_parents () const

std::vector< Device * >	get_siblings (bool itself)

std::vector< const Device * >	get_siblings (bool itself) const

std::vector< Device * >	get_descendants (bool itself)

std::vector< const Device * >	get_descendants (bool itself) const

std::vector< Device * >	get_ancestors (bool itself)

std::vector< const Device * >	get_ancestors (bool itself) const

std::vector< Device * >	get_leaves (bool itself)

std::vector< const Device * >	get_leaves (bool itself) const

std::vector< Device * >	get_roots (bool itself)

std::vector< const Device * >	get_roots (bool itself) const

std::vector< Holder * >	get_in_holders ()

std::vector< const Holder * >	get_in_holders () const

std::vector< Holder * >	get_out_holders ()

std::vector< const Holder * >	get_out_holders () const

void	remove_descendants ()

const std::map< std::string, std::string > &	get_userdata () const

void	set_userdata (const std::map< std::string, std::string > &userdata)

Impl &	get_impl ()

const Impl &	get_impl () const

void	save (xmlNode *node) const

Static Public Member Functions
static LvmVg *	create (Devicegraph *devicegraph, const std::string &vg_name)

static LvmVg *	load (Devicegraph devicegraph, const xmlNode node)

static std::vector< LvmVg * >	get_all (Devicegraph *devicegraph)
	Sorted by vg_name.

static std::vector< const LvmVg * >	get_all (const Devicegraph *devicegraph)
	Sorted by vg_name. More...

static LvmVg *	find_by_vg_name (Devicegraph *devicegraph, const std::string &vg_name)
	Find a volume group by vg-name.

static const LvmVg *	find_by_vg_name (const Devicegraph *devicegraph, const std::string &vg_name)
	Find a volume group by vg-name. More...

Protected Member Functions
	LvmVg (Impl *impl)

Protected Member Functions inherited from storage::Device
	Device (Impl *impl)

void	create (Devicegraph *devicegraph)

void	load (Devicegraph *devicegraph)

Detailed Description

A Volume Group of the Logical Volume Manager (LVM).

Member Function Documentation

LvmPv* storage::LvmVg::add_lvm_pv ( BlkDevice * blk_device )

Adds a block device as a physical volume to the volume group.

If there is not a physical volume on the block device it will be created.

void storage::LvmVg::delete_lvm_lv ( LvmLv * lvm_lv )

Delete a logical volume in the volume group.

Also deletes all descendants of the logical volume.

static const LvmVg* storage::LvmVg::find_by_vg_name	(	const Devicegraph *	devicegraph,
		const std::string &	vg_name
	)

static

Find a volume group by vg-name.

static std::vector<const LvmVg*> storage::LvmVg::get_all ( const Devicegraph * devicegraph )

static

Sorted by vg_name.

unsigned long long storage::LvmVg::get_extent_size ( ) const

Returns the extent size of the volume group.

Returns: extent size

const std::string& storage::LvmVg::get_vg_name ( ) const

Get volume group name.

This is different from get_name().

unsigned long long storage::LvmVg::number_of_used_extents ( ) const

Calculates the number of used extents in the volume group.

May be larger than the number of extents in the volume group.

void storage::LvmVg::remove_lvm_pv ( BlkDevice * blk_device )

Removes a block device from the volume group.

The physical volume on the block device will the deleted.

void storage::LvmVg::set_extent_size ( unsigned long long extent_size )

Set the extent size of the volume group.

This can modify the size of the logical volumes.

Exceptions

InvalidExtentSize

The documentation for this class was generated from the following file:

/home/abuild/rpmbuild/BUILD/libstorage-ng-3.0.0/storage/Devices/LvmVg.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Member Function Documentation