XEVO
Software Manual
Appendix
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Official
Document
93
A
PPENDIX
Glossary and Acronym List
Common Terminology
ITEM
DESCRIPTION
RAID
Redundant Array of Independent Disks. There are different RAID
levels with different degree of data protection, data availability,
and performance to host environment.
Disk
The Physical Disk belongs to the member disk of one specific
RAID group.
Pool
A collection of removable media. One pool consists of a set of
volumes and owns one RAID level attribute.
Volume
Each pool could be divided into several volumes. The volumes
from one pool have the same RAID level, but may have different
volume capacity.
LUN
Logical Unit Number. A logical unit number (LUN) is a unique
identifier which enables it to differentiate among separate
devices (each one is a logical unit).
WebUI
Web User Interface.
WT
Write-Through cache-write policy. A cache technique in which
the completion of a write request is not signaled until data is
safely stored in non-volatile media. Each data is synchronized in
both data cache and accessed physical disks.
WB
Write-Back cache-write policy. A cache technique in which the
