HP B6960-90078 Table, Names, Chapter, Defining Lock, Required Action, Environment Conditions, Device Locking for Drives, Shared Devices in the SAN Environment

Configuring and Using Backup Devices

Shared Devices in the SAN Environment

The drive naming convention shows its benefits during backup specification creation. Whenever you configure a backup on any host, all you have to do now is to use the drive that is configured on that host, since the drive includes the host name in its name.

Table 2-2	Device Locking for Drives
	Environment Conditions	Required Action
	The drive is used by only one system	No locking is necessary.
	and Data Protector only	Leave the fields blank, for
		example, Lock Name =
		blank
	The drive is used by several systems	Use device locking (define a
	(SAN), Data Protector is the only	Lock Name) as described in
	application accessing the drive	the section “Device Locking”
		on page 74
	The drive is used by several systems	Use device locking (define a
	and several applications (not only by	Lock Name) and ensure
	Data Protector)	that operational rules
		provide exclusive access to
		all devices from only one
		application at a time
Defining Lock
	Using Lock Names is necessary in a SAN environment. This prevents
Names	collisions on the device caused by several systems talking to it at the
	same time. It is recommended to use the following convention for Lock
	Names:

LibraryLogicalName_DdriveIndex, for example SAN_LIB_D1.

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