2-21
EonStor DS 3000 Series Hardware Manual
Simple end-to-end connection
This connection type shows a simple end-to-end connection, with each SFP port is connected to a host
adapter. Multiple logical drives. logical volumes, and logical partitions are created and each partition is
mapped to a corresponding host channel ID/LUN combination.
C H 0 A1 1 2
C H 2 A1 1 2
C H 0 B1 1 3
C H 2 B1 1 3
C H 1 A1 1 2
C H 3 A1 1 2
C H 1 B1 1 3
C H 3 B1 1 3
L D
L D
L D
L D
RAID
JBOD
ALV
BLV
ALV
BLV
HBA 1
HBA 0
HBA 1
HBA 0
C H 0 B113
C H 1 B1 1 3
C H 0 A1 1 2
C H 1 A1 1 2
C H 2 B1 1 3
C H 3 B1 1 3
C H 2 A1 1 2
C H 3 A1 1 2
Channels
Controller A
Controller B
Host
CH0, CH1, CH2, CH3
CH0, CH1, CH2, CH3
Configuration information
Number of controllers
2
Host servers
2
Data path connection
Fault-tolerant data paths
NOTE:
You need a multipathing software such as
MPIO
or
Linux Device Mapper
to control and
optimize the access to logical drives via multiple data paths.