Mylex Global Array Manager Installation Manual And User's Manual page 178

Glossary
devices must wait for a signal from the receiving device after each byte of
data. Compare with Synchronous Data Transfer.
Automatic Rebuild
Mylex controllers provide automatic rebuild capabilities in the event of a
physical disk drive failure. The controller performs a rebuild operation
automatically when a disk drive fails and both of the following conditions
are true:
A standby or hot spare disk drive of identical or larger size is found attached
to the same controller;
All system drives that are dependent on the failed disk drive are configured
as a redundant array: RAID 1, RAID 3, RAID 5, or RAID 0+1.
During the automatic rebuild process, system activity continues; however,
system performance may degrade slightly.
Automatic Switchover
See Failover
Background Initialization
Where the initialization process of a disk array takes place in the
background, allowing use of a disk array within seconds instead of several
hours. Also known as Immediate RAID Availability.
Benchmarks
A set of conditions or criteria against which a product or system is measured.
Computer trade magazine laboratories frequently test and compare several
new computers or computer devices against the same set of application
programs, user interactions, and contextual situations. The total context
against which all products are measured and compared is referred to as the
Glossary-2 GAM Client User's Guide