PS 4000 Gen2 Series Hardware Manual
2-35
High Availability IP SAN (Recommended for Remote Replication)
Component
Description
SAN Storage System
Redundant controllers with eight host ports
HBA
iSCSI initiators, preferably PCIe TOE (TCP/IP offload engine) capable
cards
GbE Cables
GbE network cables
GbE Switch
Ports divided into 2 virtual LANs. Both controllers are linked to both
virtual LAN zones.
Software
MPIO to manage the fault-tolerant paths with failover/failback and load
balance capabilities. Use MPIO multipathing software for the operating
system to identify the alternative paths to the same logical drive.
RAID Configuration
•
Two logical drives; each has eight member drives. You can create
more logical drives from the drives in the expansion systems.
•
LD0 mapped to CH0 AID, CH1 BID, CH2 AID, and CH3 BID.
LD must be assigned to controllers A and B to enable remote
replication.
•
LD1 mapped to CH1 BID, CH0 AID, CH3 BID, and CH2 AID.
LD must be assigned to controllers A and B to enable remote
replication.
HBA
V LAN 0
V LAN 1
A
B
LD 0
LD 1
CH0 AID*
CH1 BID
CH2 AID*
CH3 BID
CH1 BID*
CH0 AID
CH3 BID*
CH2 AID
E
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