A Typical Layout

SCSI1

Ethernet heartbeat

links

Hub

NICS

NICs

Service Network

OS Disks

Hub

NETWORK:

• hbas

• routers

• switches

• hubs

• power source

SAN:

• hbas

• routers

• switches

• hubs

• power source

HOSTS:

• critical file systems,

e.g. / and /usr

• power source

TAPE:

• hbas

• drives

• robots

• power source

DISKS:

• hbas

• drives

• power source

Bridge

NICs

FC1

FC0

FC1

FC0

SCSI2

SCSI1

SCSI2

OS Disks

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