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Configuring and Using Backup Devices
Shared Devices in the SAN Environment
Chapter 2 53
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.
Defining Lock
Names
Using Lock Names is necessary in a SAN environment. This prevents
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.
Table 2-2 Device Locking for Drives
Environment Conditions Required Action
The drive is used by only one system
and Data Protector only
No locking is necessary.
Leave the fields blank, for
example, Lock Name =
blank
The drive is used by several systems
(SAN), Data Protector is the only
application accessing the drive
Use device locking (define a
Lock Name) as described in
the section “Device Locking”
on page 74
The drive is used by several systems
and several applications (not only by
Data Protector)
Use device locking (define a
Lock Name) and ensure
that operational rules
provide exclusive access to
all devices from only one
application at a time