lvmutils

Documentation

Index

• func DmCreate(lv1, lv2, dmName string) error
• func DmRemove(dmPath string) error
• func ExtendLvSize(vg string, size int64) (int64, error)
• func GetLvNames(vg string) ([]string, error)
• func GetLvOrigin(lvPath string) (string, error)
• func GetLvSize(lvPath string) (int64, error)
• func GetQcow2LvSize(sizeMb int64) int64
• func LVActive(lvPath string, share, exclusive bool) error
• func LVDeactivate(lvPath string) error
• func LvCreate(vg, lv string, size int64) error
• func LvCreateFromSnapshot(lv, snapShotPath string, size int64) error
• func LvIsActivated(lvPath string) (bool, error)
• func LvRemove(lvPath string) error
• func LvRename(vgName, oldName, newName string) error
• func LvResize(vg, lvPath string, size int64) error
• func LvScan() error
• func VgActive(vgName string, active bool) error
• func VgDisplay(vgName string) error
• type LvActive
• type LvNames
• type LvOrigin
• type VgProps
  • func GetVgProps(vg string) (*VgProps, error)
• type VgReports

Functions

func DmCreate

func DmCreate(lv1, lv2, dmName string) error

func DmRemove

func DmRemove(dmPath string) error

@param: dmPath string: should like /dev/mapper/<device>

func ExtendLvSize

func ExtendLvSize(vg string, size int64) (int64, error)

func GetLvNames

func GetLvNames(vg string) ([]string, error)

func GetLvOrigin

func GetLvOrigin(lvPath string) (string, error)

func GetLvSize

func GetLvSize(lvPath string) (int64, error)

get lvsize unit byte

func GetQcow2LvSize

func GetQcow2LvSize(sizeMb int64) int64

func LVActive

func LVActive(lvPath string, share, exclusive bool) error

func LVDeactivate

func LVDeactivate(lvPath string) error

func LvCreate

func LvCreate(vg, lv string, size int64) error

func LvCreateFromSnapshot

func LvCreateFromSnapshot(lv, snapShotPath string, size int64) error

func LvIsActivated

func LvIsActivated(lvPath string) (bool, error)

func LvRemove

func LvRemove(lvPath string) error

@param: lvPath string: should like /dev/<vg>/<lv>

func LvRename

func LvRename(vgName, oldName, newName string) error

func LvResize

func LvResize(vg, lvPath string, size int64) error

@param: lvPath string: should like /dev/<vg>/<lv>

func LvScan

func LvScan() error

func VgActive

func VgActive(vgName string, active bool) error

func VgDisplay

func VgDisplay(vgName string) error

Types

type LvActive

type LvActive struct {
	Report []struct {
		LV []struct {
			LvActive string `json:"lv_active"`
		} `json:"lv"`
	} `json:"report"`
}

type LvNames

type LvNames struct {
	Report []struct {
		LV []struct {
			LVName string `json:"lv_name"`
		} `json:"lv"`
	} `json:"report"`
}

type LvOrigin

type LvOrigin struct {
	Report []struct {
		LV []struct {
			Origin string `json:"origin"`
		} `json:"lv"`
	} `json:"report"`
}

type VgProps

type VgProps struct {
	VgSize       int64
	VgFree       int64
	VgExtentSize int64
}

func GetVgProps

func GetVgProps(vg string) (*VgProps, error)

lvm units https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/logical_volume_manager_administration/report_units

type VgReports

type VgReports struct {
	Report []struct {
		VG []struct {
			VgSize       string `json:"vg_size"`
			VgFree       string `json:"vg_free"`
			VgExtentSize string `json:"vg_extent_size"`
		} `json:"vg"`
	} `json:"report"`
}