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Appendix
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
completion of a write request is signaled as soon as the data is in
cache and actual writing to non-volatile media occurs at a later time.
It speeds up system write performance but needs to bear the risk
where data may be inconsistent between data cache and the physical
disks in one short time interval.
RO
Set the volume to be Read-Only.
DS
Dedicated Spare disks. The spare disks are only used by one specific
Summary of Contents for XCubeSAN XS5224D
Page 71: ...SANOS User Interface 49 nnnnn RPM Power Supply Local PSU n status Reset to Default Yes No...
Page 99: ...System Settings 77 Figure 6 14 System Information...
Page 315: ...Monitoring 293 Figure 13 5 Hardware Monitoring...
Page 327: ...Support and Other Resources 305 Figure 15 1 Download Service Package in the SANOS UI...
Page 331: ...Support and Other Resources 309...