Simple End-To-End Connection - Infortrend S12 Series Hardware Manual

Simple End-to-End Connection

1 1 2
ALV
ALV
LD
LD
RAID
Channels
Host
Data path connection
Host channel bandwidth
Above is an example demonstrating simple end-to-end connections with each SFP
port connected to a host adapter. Multiple logical drives, logical volumes, and logical
partitions can be created and each mapped to the corresponding host channel
ID/LUN combinations.
Note that EonPath multi-pathing software or Linux Device Mapper is necessary for
controlling and optimizing the access to logical drives via multiple data paths.
EonStor / EonStor DS S12/S16/S24 Series
BLV
BLV
LD
LD
JBOD
Controller A
CH0, CH1, CH2, CH3
Configuration Information
RAID controller
Host server
HBA 0
HBA 1
EonPath
CH0 B113 CH0 A112
CH1 B113
CH1 A112
0 1 2 3
CH0 A112 CH0 B113
CH1 B113
CH1 A112
Controller B
CH0, CH1, CH2, CH3
2
2
Fault-tolerant data paths, yet Logical
partitions can not failover to a partner
controller in the event of controller failure.
6400 MB/s
78
HBA 0 HBA 1
EonPath
CH2 A112 CH2 B113
CH3 A112 CH3 B113
CH2 A112 CH2 B113
CH3 A112 CH3 B113