Dell PowerVault 100T User Manual page 89

offline.
The operating condition that the tape drive is in when the server's
applications cannot interact with it.
online.
The operating condition that the tape drive is in when the server's
applications can interact with it.
Open Systems.
Computer systems whose standards are not proprietary.
operating environment.
The temperature, relative humidity rate, and wet bulb temperature of the
room in which the tape drive routinely conducts processing.
P
parity. The state of being even-numbered or odd-numbered. A parity bit is a
binary number that is added to a group of binary numbers to make the
sum of that group always odd (odd parity) or even (even parity).
parity error.
A transmission error that occurs when the received data does not have the
parity that is expected by the receiving system. This usually occurs when
the sending and receiving systems have different parity settings.
port. (1) A system or network access point for data entry or exit. (2) A connector
on a device to which cables for other devices such as display stations and
printers are attached. (3) The representation of a physical connection to
hardware. A port is sometimes referred to as an adapter; however, there
can be more than one port on an adapter.
power connector.
Located at the rear of the tape drive, the connector to which the internal
power cable of an enclosure connects.
power cord.
A cable that connects a device to a source of electrical power.
power-off.
To remove electrical power from a device.
power-on, powered-on.
(1) To apply electrical power to a device. (2) The state of a device when
power has been applied to it.
R
read. To acquire or interpret data from a storage device, from a data medium, or
from another source.
reboot.
To reinitialize the execution of a program by repeating the initial program
load (IPL) operation.
record.
The smallest distinct set of data bytes that is supplied from a server for
processing and recording by a tape drive, and the smallest distinct set of
data to be read from tape, reprocessed, and made available to a server by a
tape drive.
B-7
Glossary