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SAS 712 U Series User Manual
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.
PD
The Physical Disk belongs to the member disk of one specific RAID group.
Pool
A collection of removable media. One pool consists of one or several RAID
sets.
ZFS
ZFS is a combined file system and logical volume manager designed by Sun
Microsystems. The features of ZFS include data integrity verification
against data corruption modes, support for high storage capacities,
integration of the concepts of file system and volume management,
snapshots and copy-on-write clones, continuous integrity checking.
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).
GUI
Graphic User Interface.
RO
Set the volume to be Read-Only.
DS
Dedicated Spare disks. The spare disks are only used by one specific RG.
Others could not use these dedicated spare disks for any rebuilding
purpose.
DG
DeGraded mode. Not all of the array’s member disks are functioning, but
the array is able to respond to application read and write requests to its
virtual disks.
SCSI
Small Computer Systems Interface.
SAS
Serial Attached SCSI.
S.M.A.R.T.
Self-Monitoring Analysis and Reporting Technology.
WWN
World Wide Name.
HBA
Host Bus Adapter.
NIC
Network Interface Card.
BBM
Battery Backup Module
iSCSI Terminology
Item
Description
iSCSI
Internet Small Computer Systems Interface.
LACP
Link Aggregation Control Protocol.
MPIO
Multi-Path Input/Output.
MC/S
Multiple Connections per Session
MTU
Maximum Transmission Unit.
CHAP
Challenge Handshake Authentication Protocol. An optional security
mechanism to control access to an iSCSI storage system over the iSCSI data
Summary of Contents for SAS 712U
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