Tape drivers can be installed from the drivers directory on the HP StoreOnce Backup System
CD-ROM, where they are supplied as an installer application and as driver files for manual
installation. Also check the HP website for driver updates at http://www.hp.com/support.
The tape drive is configurable as an LTO-2, LTO-3, LTO-4 or LTO-5 device. This is the default
behavior of the tape drive and there is no need and no way to change it on the HP StoreOnce
Backup System. It is important not to confuse emulation type with cartridge size. Emulation type is
totally independent from cartridge size. The HP StoreOnce Backup System allows you to pick
whatever cartridge size you like (up to 3.2 TB).
Medium changer driver
No additional medium changer driver is required because Microsoft Windows provides a suitable
generic driver and all backup applications provide their own changer drivers.
Device Manager
After installation, the HP StoreOnce Backup System does not appear as a device under My Computer
and it is not mapped to a drive letter. You must always use a backup application on the host
machine to back up and restore data. However, if you have installed drivers, it can be seen as a
tape drive (1) and medium changer (2) from Device Manager.
NOTE: For a Fibre Channel Backup System, a new “unknown” device will be discovered in
Device Manager. This device is required only to ensure that a Fibre Channel target exists as LUN
0 in the SAN. No functionality is provided by this device and no driver is required.
iSCSI Initiator (optional, VTL only)
This section is not relevant if you are configuring only FC library devices or NAS shares on your
HP StoreOnce Backup System.
34 Advanced installation
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