Exhibit 2.2-1 Target node configurations

Physical connections Initiator/Host to Network

Network to iPBridge Ethernet port iPBridge SCSI port to SCSI device

Server 1

Ethernet

 

 

 

Network

Bridge SN

000123

 

 

 

 

IP Address: 10.0.3.0

 

 

(1 IP Address for each Ethernet port)

SCSI device

 

 

 

Server 2

Mapping: default vs. multiple target nodes

SCSI device configuration

Default Target node

Lun 0 Bridge SN 000123

Lun 1

Tape 0

Lun 2

Tape 1

Lun 3

Tape 2

Lun 4

Tape 3

Lun 5

Media Chgr

Node 0

iqn. 1995 - 12. com. attotech : ipbridge :sn- ipb 2700000123

SCSI device configuration

Multiple Target nodes

Lun 0 Bridge SN 000123

Lun 1

Tape 0

Lun 2

Tape 1

Lun 3

Media Chgr

Lun 0 Bridge SN 000123

Lun 1

Media Chgr

: Lun 2

Tape 2

Lun 3

Tape 3

Lun 0 Bridge SN 000123

Node 0

iqn. 1995-12. com. attotech: ipbridge:sn- ipb 2700000123-dev0

Node 1

iqn. 1995-12.com. attotech: ipbridge:sn- ipb2700000123-dev1

Default Node iqn1993-12.com.attotech ipbridgesn-ipb2700000123

13

ATTO Technology Inc. iPBridge Installation and Operation Manual

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ATTO Technology 2700C Physical connections Initiator/Host to Network, Mapping default vs. multiple target nodes