iscsi

Documentation

Index

• func DisconnectConnection(targets []Target) error
• func FindSysfsMultipathDM(deviceName string) (dmDeviceName string, err error)
• func GetConnectionDevices(targets []Target) ([]string, error)
• func GetDeviceName(sessionID int, hctl *Hctl) (string, error)
• func RemoveConnection(targetDeviceNames []string, isMultiPath bool) error
• func ScanISCSI(hctl *Hctl) error
• type Hctl
  • func GetHctl(id int, lun int) (*Hctl, error)
• type SessionIscsi
  • func GetSessions() ([]SessionIscsi, error)
• type Target
  • func DiscoverIscsiPortals(portal string, iqn string, luns int) []Target
  • func NewTarget(portals string, iqns string, luns int) Target

Functions

func DisconnectConnection

func DisconnectConnection(targets []Target) error

DisconnectConnection Close iscsi connection

func FindSysfsMultipathDM

func FindSysfsMultipathDM(deviceName string) (dmDeviceName string, err error)

FindSysfsMultipathDM Find the dm device name given a list of device names

func GetConnectionDevices

func GetConnectionDevices(targets []Target) ([]string, error)

GetConnectionDevices get volumes in paths

func GetDeviceName

func GetDeviceName(sessionID int, hctl *Hctl) (string, error)

GetDeviceName Add retry to get device name

func RemoveConnection

func RemoveConnection(targetDeviceNames []string, isMultiPath bool) error

RemoveConnection Remove LUNs and multipath associated with devices names

func ScanISCSI

func ScanISCSI(hctl *Hctl) error

ScanISCSI Send an iSCSI scan request given the host and optionally the ctl

Types

type Hctl

type Hctl struct {
	HostID    int
	ChannelID int
	TargetID  int
	HostLUNID int
}

Hctl is IDs of SCSI

func GetHctl

func GetHctl(id int, lun int) (*Hctl, error)

GetHctl Given an iSCSI session return the host, channel, target, and lun

type SessionIscsi

type SessionIscsi struct {
	Transport            string
	SessionID            int
	TargetPortal         string
	TargetPortalGroupTag int
	IQN                  string
	NodeType             string
}

func GetSessions

func GetSessions() ([]SessionIscsi, error)

GetSessions access to the iscsi sessions

type Target

type Target struct {
	Portal string
	Iqn    string
	Lun    int
}

Target a iscsi connection info

func DiscoverIscsiPortals

func DiscoverIscsiPortals(portal string, iqn string, luns int) []Target

DiscoverIscsiPortals get iscsi connection information

func NewTarget

func NewTarget(portals string, iqns string, luns int) Target

NewTarget Build a target object include portal, iqn, lun