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Example 2
This link is between two disk drives that are in the same subsystem. It has five parts.
Internal
Connection
Dummy
Disk
Drive
Disk
Drive 1
Disk
Drive 2
Internal
Connection
SSA Subsystem
Example 3
This link is between two disk drives that are not in the same subsystem. It has seven
parts.
SSA
Connector
Card
Disk
Drive
Internal
Connection
SSA
Connector
Card
Disk
Drive
Internal
Connection
Cable
SSA Subsystem SSA Subsystem
Example 4
This link is between a disk drive and an SSA RAID Adapter. It has five parts.
Internal
Connection
SSA
Connector
Card
Disk
Drive
Adapter
Cable
SSA Subsystem
Link Status Lights
If a fault occurs that prevents the operation of a particular link, the link status lights of
the various parts of the complete link show that the error has occurred.
You can find the failing link by looking for the flashing green status light at each end of
the affected link. Some configurations might have other indicators along the link (for
example, SSA connector cards) to help with FRU isolation.
The meanings of the disk drive and adapter lights are summarized here.
16 IBM SerialRAID Adapter Maintenance Information