Raid Levels - D-Link DSN-6020 User Manual

MPIO
MC/S
MTU
CHAP
iSNS
Part 3: Dual controller
•
SBB
Part 4: 10GbE
•
SFP+
CX4
1.2.2

RAID levels

There are different RAID levels with different degree of data protection, data availability,
and performance to host environment. The description of RAID levels are on the following:
RAID 0
RAID 1
N-way mirror Extension to RAID 1 level. It has N copies of the disk.
RAID 3
RAID 5
Multi-Path Input/Output.
Multiple Connections per Session
Maximum Transmission Unit.
Challenge Handshake Authentication Protocol. An optional
security mechanism to control access to an iSCSI storage system
over the iSCSI data ports.
Internet Storage Name Service.
Storage Bridge Bay. The objective of the Storage Bridge Bay
Working Group (SBB) is to create a specification that defines
mechanical, electrical and low-level enclosure management
requirements for an enclosure controller slot that will support a
variety of storage controllers from a variety of independent
hardware vendors ("IHVs") and system vendors.
Small Form-factor Pluggable is a compact, hot-pluggable
transceiver used for both Fibre Channel and 10GbE.
10GBASE-CX4, a copper based 10 Gigabit Ethernet PHY.
Disk striping. RAID 0 needs at least one hard drive.
Disk mirroring over two disks. RAID 1 needs at least two hard drives.
Striping with parity on the dedicated disk. RAID 3 needs at least three
hard drives.
Striping with interspersed parity over the member disks. RAID 3
needs at least three hard drives.
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