Adaptec 48300 User Manual
Page 101
Glossary
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101
phantom object
Object that represents a component that cannot be configured by the
HostRAID controller management software; for example, a missing
drive.
PHY
The electronics that controls bit transmission. There is a PHY at each
end of a physical link.
Physical link
The connectors and cables that connect devices.
Port
One or more PHYs with a single SAS address, connected to an equal
number of PHYs with a single SAS address.
Q
quick init
An array configured using the Quick Init option is available
immediately, with no on-going background controller activity. All data
written to an array that has been quick configured is protected.
R
RAID
Redundant Array of Independent Disks (alternative definition
Redundant Array of Inexpensive Disks).
RAID 0
A
consisting of two or more equal-sized segments
residing on different disks. RAID 0 distributes data evenly across its
respective drives in equal-sized sections called
s. RAID 0 arrays
are not redundant.
RAID 1
Single-level array consisting of two equal segments residing on two
different drives. Provides redundancy by storing identical copies on
two drives.
.