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Glossary
Manual No. 775064 G-3
Bus
A set of conductors that connect the functional units in a computer and are
the channels through which data is transferred. There are several types of bus
channels, including serial, parallel, PCI, ISA, EISA, and MCA. See also I/O
Bus.
Cables
The physical wires (copper or fibre optic) over which electrical signals are
transmitted. Cables are used to connect peripherals (such as disk arrays) to
computers and servers or to connect peripherals or components to each other.
Cache
A temporary storage area for frequently accessed or recently accessed data.
Cache is used to speed up data transfer to and from a disk. See also Caching.
Cache Flush
Refers to an operation where all unwritten blocks in a Write-Back Cache are
written to the target disk. This operation is necessary before powering down
the system.
Cache Line Size
Represents the size of the data “chunk” that will be read or written at one
time, and is set in conjunction with stripe size. Under RAID EzAssist
TM
, the
cache line size (also known as Segment Size) should be based on the stripe
size you selected. The default segment size for Mylex RAID controllers is
8K.
Caching
Allows data to be stored in a pre-designated area of a disk or RAM. Caching
speeds up the operation of RAID systems, disk drives, computers and
servers, or other peripheral devices.
CD-ROM
Compact Disk-Read Only Memory, a removable read-only storage device,
similar to an audio compact laser disk, holding up to 640MB of data.