Supermicro CSE-847E16-RJBOD1 User Manual download pdf (Page 90)

E-10

SC847 Chassis Manual

The SAS-826EL2 Backplane has two expanders which allow effective failover and

recovery.

E-10 Failover

Single Host Bus Adapter

In a single host bus conguration, the

backplane connects to one Host Bus

Adapter (HBA).

Single Host Bus Adapter Failover

If the expander or data path in Port

A fails, the system will automatically

fail over to Port B.

Dual Host Bus Adapter

In a dual host bus conguration, the

backplane connects to two host bus

adapters.

Dual Host Bus Adapter Failover

If the expander or data path in Port

A fails, the system will automatically

fail over to Port B. This maintains a

full connection to all drives.

SAS HBA

Port A

Expander 1

Port B

Expander 2

SAS HBA

Port A

Expander 1

Port B

Expander 2

SAS HBA

Port A

Expander 1

Port B

Expander 2

SAS HBA

Port A

Expander 1

Port B

Expander 2

SAS HBA

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Supermicro CSE-847E16-RJBOD1 User Manual Page 90

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