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11.0INTERFACE REQUIREMENTS
This section partially describes the interface requirements as implemented on Constellation ES.3 drives. Additional information is provided in the SAS Interface Manual (part number 100293071).
11.1SAS FEATURES
This section lists the
11.1.1task management functions
Table 7 lists the SAS task management functions supported.
Table 7 SAS task management functions supported
TASK NAME | SUPPORTED |
|
|
Abort Task | Yes |
|
|
Clear ACA | Yes |
|
|
Clear task set | Yes |
|
|
Abort task set | Yes |
|
|
Logical Unit Reset | Yes |
|
|
Query Task | Yes |
|
|
11.1.2task management responses
Table 8 lists the SAS response codes returned for task management functions supported.
Table 8 Task management response codes
FUNCTION NAME | RESPONSE CODE |
|
|
Function complete | 00 |
|
|
Invalid frame | 02 |
|
|
Function not supported | 04 |
|
|
Function failed | 05 |
|
|
Function succeeded | 08 |
|
|
Invalid logical unit | 09 |
|
|
11.2DUAL PORT SUPPORT
Constellation ES.3 SAS drives have two independent ports. These ports may be connected in the same or different SCSI domains. Each drive port has a unique SAS address.
The two ports have the capability of independent port clocking (e.g. both ports can run at 6Gb/s or the first port can run at 6Gb/s while the second port runs at 3Gb/s. The supported link rates are 1.5, 3.0, or 6.0 Gb/s.
Subject to buffer availability, the Constellation ES.3 drives support:
•Concurrent port
•Full
CONSTELLATION ES.3 SAS PRODUCT MANUAL, REV. B | 48 |