Table 1-1
Components of NetBackup for VMware
DescriptionComponent
NetBackup for VMware uses a special host that is called a VMware backup host (formerly called
the VMware backup proxy server). The backup host is a NetBackup client that performs backups
on behalf of the virtual machines. The backup host must have access to the datastores of the
virtual machines.
The backup host is the only host on which NetBackup client software is installed. No NetBackup
client software is required on the VMware virtual machines.
Note that the backup host is referred to as the recovery host when it performs a restore.
The backup host can be configured in any of the following ways:
■ As a NetBackup client (Windows or Linux) with a connection to separate master and media
servers. The master servers and media servers can be Windows, UNIX, or Linux.
■ As a NetBackup client that is installed on the media server (see Backup media server).
■ The NetBackup client and master and media server can all reside on the same host (Windows
or Linux).
For a list of supported platforms for the backup host, see the NetBackup Enterprise Server
and Server OS Software Compatibility List available from the following location:
NetBackup Master Compatibility List
Backup host
Used for the automatic selection of virtual machines for backup. This host discovers virtual
machines and filters them by means of the selection rules in the policy Query Builder. The
resulting list determines which virtual machines are backed up.
The discovery host can be on any platform that NetBackup supports for master or media servers.
It can also be the same host as the backup host.
You specify this host on the policy Clients tab: Click Select automatically through VMware
Intelligent Policy query, then NetBackup host to perform automatic virtual machine
selection.
Discovery host
A media server that can operate as the backup host.
See “Media servers as backup or discovery hosts” on page 19.
Backup media server
Installed on the backup host.NetBackup client
Manages the backups of virtual machines, by means of the NetBackup client that is installed
on the backup host.
NetBackup master
server
Performs the backups to storage on behalf of the NetBackup client.NetBackup media
server
Virtual machines provide complete guest operating systems on virtualized hardware. In a
NetBackup policy, a virtual machine is configured as a NetBackup client, even though NetBackup
client software is not installed on the virtual machine.
Virtual machine
16Introduction
NetBackup for VMware components
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