U

 

Unique LUN ID

A general term for a LUN identifier, which might specifically be a physical disk's WWID, a

 

WWID assigned to a SAN virtual LUN, the uniq_name assigned to a LUN for which a WWID

 

could not be obtained, or some other type of identifier unique to a LUN.

V

 

VeritasA set of products from Symantec that include VxVM and VxFS.
VINSTALLThe installation kernel for V-class PA-RISC systems.
VINSTALLFSThe associated file system for the VINSTALL kernel.
vmunix

The default kernel filename, used during normal system operation. vmunix is built by the

 

mk_kernelcommand, which Ignite calls during system installation. The AUTO file typically

 

contains the entry “boot vmunix”, which references /stand/vmunix on the selected boot

 

device.
volume

1. A pool of data storage made up of one or more physical disks. These volumes are created

 

and managed using tools from one of the volume managers, VxVM or LVM. See volume manager.

 

2. A tape, especially when ANSI labeled.
volume groupAn arbitrary grouping of disks for use by LVM. See volume manager.
volume manager

A subsystem for managing disk space that allows one or more disks to be combined. It can

 

provide increased size, improved reliability via data and path redundancy, greater configuration

 

flexibility, and other features for managing file system space.
VxFSA Veritas product from Symantec that is a file system implementation.
VxVM

A specific volume manager type that is a Veritas product from Symantec. See volume manager.

W - Z

 

[WVI]INSTALL

Refers to the WINSTALL, VINSTALL, IINSTALL, or INSTALL installation kernel depending on

 

your system.
[WVI]INSTALLFS

Refers to the WINSTALLFS, VINSTALLFS, IINSTALLFS, or INSTALLFS file system depending

 

on your system.
whole disk

A volume management selection that treats the entire disk as one volume. This selection does

 

not use a volume manager product. For bootable disks, it is a practical selection only for

 

Itanium-based systems.
WINSTALLThe installation kernel for 64-bit PA-RISC systems.
WINSTALLFSThe associated file system for the WINSTALL kernel.
XNTP

Stands in part for network time protocol. The xntpd daemon maintains system time in agreement

 

with Internet standard time servers. This can be configured from the itool System tab under

 

Network Services->XNTP.

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