BackBox H4.00 User Manual

Product Description
10 BackBox H4.00 User Manual
VTC functions are controlled through TCP/IP.
The VTC is built on a dedicated Windows Server 2008 R2 server platform. It stores
virtual tape images through the Windows file system of the VTC.
The disks are generally shares in a StoreOnce NAS, but could use any disks
compatible with the Windows file systems, including internal disks in the VTC.
The number of possible physical connections per VTC depends on the model. See in
Product Requirements below.
The User Interface Client
The BackPak graphical user interface is a web-based client application run on the
operator’s workstation, and is used for configuration, virtual volume creation and
manual exception operations.
Standard VTC operations are automated. The usual Nonstop tape-related tools and
user interfaces are used for regular operations.
The BackPak UI Client can be installed in any Windows-based workstation. An
instance must also be installed on each VTC for the initial VTC installation and
attachment to a BackPak Domain.
The UI Client installed in VTC can be accessed through the Windows Remote
Desktop.
Domain Manager
A BackPak Domain is a group of VTCs and Guardian nodes whose virtual tapes are
managed in a single environment.
In a Domain, a unique label is given to each tape volume. If the virtual tapes of
several NonStop nodes are managed by the same Domain Manager, the volume label
must be unique across all nodes.
The user logs-in to a Domain, through the UI Client, to configure the virtual devices,
the virtual volume characteristics and their storage, to create virtual volumes, to
query the operational status, and to enter exception commands.
The Domain Manager, running on the NonStop platform, replies to GUI requests. It
maintains a domain configuration and a catalog of virtual volumes including the real
data location of each virtual volume. It also manages mount requests for virtual
volumes.
Event Extractor
Each Guardian node that has virtual drives runs a BackPak Event Extractor. The
Event Extractor essentially automates the mounting of the virtual volumes that are
requested by $ZSVR by forwarding them to the Domain manager.
The Event Extractor also assumes secondary roles, such as maintaining the status of
tape drives in the NSK OPER file for quicker display in the UI Client.