EonStor DS S12/S16/S24 Series Hardware Manual
3.4.3 Single-Controller with Fault-Tolerant Path
CH0 ID0 CH0 ID1
Logical Association
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7 8 9 101112
B
12x
6x
8x
2x
9x
3x
10x
4x
11x
5x
7x
1x
Ethern et
12x
6x
8x
2x
9x
3x
10x
4x
11x
5x
7x
1x
C
GbE switch
CH1 ID0
CH1 ID1
Logical Partition Logical Partition
Logical Partition Logical Partition
LD
LV
LV
LD
RAID Enclosure
JBOD Expansion Enclosure
HBA 1
HBA 0
HBA 1
HBA 0
EonPath
EonPath
VLAN1 VLAN2
CH2 ID0 CH2 ID1
CH3 ID0
CH3 ID1
CH0 ID1
CH1 ID1
CH0 ID0
CH1 ID0
CH0 ID1
CH1 ID1
CH0 ID0
CH1 ID0
CH2 ID0
CH3 ID0
CH2 ID1
CH3 ID1
CH2 ID0
CH3 ID0
CH2 ID1
CH3 ID1
Component Description #
RAID system iSCSI RAID managed by a single controller, with 4 host
ports
1
HBA or NIC iSCSI initiators, preferably PCI-E TOE cards 4
GbE cables GbE network cables 8
Software EonPath to manage the fault-tolerant paths with
failover/failback and load balance
2
RAID configuration 4 logical partitions (created from 2 logical volumes)
2 Logical Volumes (each contains a logical drive)
2 Logical Drives
* Each logical partition appears on two different host
links for the purpose of fault tolerance. Use EonPath
multi-pathing software so that your operating system can
identify alternate paths to the same logical drive.
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