42 | Cheetah 10K.6 FC Product Manual, Rev. B |
9.1.10Fibre Channel Arbitrated Loop options
Table 12 lists the
Table 12: |
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Option |
| Supported |
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OPEN Half Duplex | Accepted from another device. | |
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OPEN Full Duplex | Sent to open another device. | |
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| Accepted from another device. |
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Private Loop |
| Yes |
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Public Loop |
| Yes |
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Old Port State | No | |
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Loop Position | Yes | |
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Loop Position Report | Yes | |
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9.2Dual port support
Cheetah 10K.6 FC drives have two independent
•If both ports are connected on independent loops and hard addressing is used, the drive interface address is selected through the interface connector, both ports will seek the same loop address. If no conflict, both ports will have the same loop address.
•If both ports are connected in the same loop and hard addressing is used, at least one port will attempt tak- ing a soft address to prevent an address conflict.
Note. When a Cheetah 10K.6 FC drive is connected in loops with previous Seagate FC drive products:
Barracuda 4LP FC (ST32171FC, ST34371FC, and ST34571FC)
Barracuda 9FC (ST19171FC)
Cheetah 4LP FC (ST34501FC)
Cheetah 9FC (ST19101FC)
the connection of Port A and B for these products must follow the requirements in their product manu- als.
Subject to buffer availability, the Cheetah 10K.6 FC drives support:
•Concurrent port
•Full