Mylex Global Array Manager, Руководство по установке и инструкция пользователя

Страница: 180 / 212

Glossary
Glossary-4 GAM Client User’s Guide
Cache is used to speed up data transfer to and from a disk. See also Caching .
Cache Flush 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. See also
Stripe Size .
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. See also
Cache
.
Conservative Cache
An operating mode in which system drives configured with the Write-Back
Caching policy are treated as though they were configured for Write-
Through operation and the cache is flushed.
Consistency Check
A process that verifies the integrity of redundant data. A consistency check
on a RAID 1 or RAID 0+1 configuration (mirroring) checks if the data on
drives and their mirrored pair are exactly the same. For RAID Level 3 or