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Key Terms  



The following are a few key terms you need to know before you install or upgrade the system:

Table 1  Definitions of Terms
Term Definition
Operating system media
Unless stated otherwise, this refers to the OpenVMS Alpha operating system CD or the OpenVMS I64 Operating Environment DVD included with your OpenVMS distribution kit, which contains the OpenVMS operating system and the installation and other procedures described in this manual.
HSx device
A self-contained, intelligent, mass storage subsystem that lets computers in an OpenVMS Cluster environment share disks. The disk on which you install or upgrade the operating system can be connected to one of these systems (for example, an HSC or HSD).
InfoServer
A general-purpose disk storage server. Systems connected to the same local area network (LAN) can install the OpenVMS operating system from the InfoServer instead of from a local CD or DVD. (Supported for OpenVMS Alpha installations only.)
Local drive
A drive on your computer system, such as a CD, DVD, or disk drive (hard drive), that is connected directly to the computer. If you have a standalone computer, it is likely that all drives connected to the computer system are local drives.
Source drive
The drive that holds the operating system kit during an upgrade or installation. This may be a local drive or an InfoServer. The drive contains either the operating system CD or DVD, or a copy of it.
System disk
The disk from which OpenVMS is booted. During an installation or upgrade, this is the source drive. After installation, the target drive is booted and becomes the system disk.
Target drive
The drive that holds the target system disk during the upgrade or installation. Note: the target drive must be a hard drive.


 
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