Common features. This binary field selects the common features requested by the fabric login.

Cheetah 10K.6 FC Product Manual, Rev. B

41

9.1.9Fibre Channel fabric accept login

Table 10 lists the required content of the Fabric Login Accept (ACC) payload from the fabric.

Table 11: Fabric Login Accept (ACC) payload

Bytes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-15

02

00

00

00

XX

XX

BB

BB

CF

XX

FS

FS

R_

A_

T0

V_

Common

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16-31

E_

D_

T0

V_

PN

PN

PN

PN

PN

PN

PN

PN

NN

NN

NN

NN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32-35

NN

NN

NN

NN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36-47

 

 

 

 

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

Class 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48-51

XX

XX

XX

XX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52-63

 

 

 

 

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

Class 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

64-67

XX

XX

XX

XX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68-79

 

 

 

 

SO

SO

xx

xx

XX

XX

FS

FS

XX

xx

XX

XX

Class 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80-83

OS

OS

XX

XX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

84-95

 

 

 

 

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

96-99

XX

XX

XX

XX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100-111

 

 

 

 

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

XX

Vendor -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

112-115

XX

XX

XX

XX

 

 

 

 

 

 

 

 

 

 

 

 

Version

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XIndicates a four-bit (hex) field is not checked.

x Indicates a single bit is not checked.

BB BB-Credit. This field is not checked. The FC-AL drive uses BB-Credit of zero (0).

CF

 

MSB

Continuously increasing offset

x

 

 

Random relative offset

x

 

 

Valid version level

x

 

 

N_Port/F_Port

Must = 1, F_Port

 

 

Alternate credit model

Must = 1

 

 

Other bits reserved

xxx XX

FS

Receive buffer field size. The FS field in the common and Class 3 parameters is checked for the range 128 < FS < 2,112 and a

 

multiple of four bytes. The receive buffer field size in the Class 3 parameters is used. The drive uses the lower FS of Fabric Login

 

Accept or N_Port Login when sending frames to an initiator.

PN

Port Name. The fabric port name is saved with the login parameters. If a change of the port name is detected during a FAN, an

 

implicit logout occurs and a LS_RJT is returned to the fabric.

NN

Node Name. The drive does not check or save the node name.

SO

Service Options—Class 3 only.

 

 

MSB

Class valid

Must = 1

 

 

Intermix

x

 

 

Stacked connection req.

xx

 

 

Sequential delivery

Must = 1

 

 

Other bits reserved

xxx XX

Page 51
Image 51
Seagate ST3146807FC manual Fabric Login Accept ACC payload Bytes, Accept or NPort Login when sending frames to an initiator

ST336607FC, ST373307FC, ST3146807FC specifications

The Seagate ST373307FC, ST3146807FC, and ST336607FC are robust hard disk drives designed for enterprise environments where reliability and performance are critical. Each model offers distinct features suited to various data storage needs, reflecting Seagate's commitment to innovation in storage technology.

The ST373307FC is a 73GB Fibre Channel hard drive that operates at 15,000 RPM, making it exceptionally fast for read and write operations. This drive employs a 4GB cache, enhancing its performance by allowing quicker access to frequently used data. With a 3.5-inch form factor, the ST373307FC is built for high-density environments, delivering reliable access to data. Its Fibre Channel interface supports high-speed connections, essential for data-intensive applications like databases and virtualization.

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Lastly, the ST336607FC has a substantial storage capacity of 300GB and shares the 15,000 RPM operational speed that characterizes this high-performance line. With a similar 8GB cache as the ST3146807FC, it offers excellent performance for read-intensive and write-heavy applications. The ST336607FC is also designed with enhanced thermal management features, supporting cooler operations in densely packed server environments. This model is particularly suited for applications such as data warehousing and online transaction processing, where speed and reliability are paramount.

Each of these drives utilizes advanced technologies like Native Command Queuing (NCQ), which optimizes the order of read and write requests. These features, combined with Seagate's reputation for durability and performance, make the ST373307FC, ST3146807FC, and ST336607FC excellent choices for enterprise applications requiring high-speed data access and exceptional reliability. In environments where data integrity and uptime are critical, these drives provide the robust performance necessary to meet demanding storage needs.