Fibre Channel Logins - AbsoluteAstronomy.com

Fibre Channel

Fibre Channel, or FC, is a gigabit-speed network technology primarily used for storage networking. Fibre Channel is standardized in the T11 Technical Committee of the InterNational Committee for Information Technology Standards , an American National Standards Institute –accredited standards...

logins takes place after a link is operational. There are three different types of logins in Fibre Channel technology:

Fabric Login (FLOGI
Fibre Channel Logins
Fibre Channel logins takes place after a link is operational. There are three different types of logins in Fibre Channel technology:* Fabric Login * Port Login * Process Login...

)
Port Login (PLOGI)
Process Login (PRLI)

In the Login process different operational parameters are exchanged:

FC-PH version support
Classes of service supported
Frame size
Type of ACK supported: single frame, multiple frame
Number of buffer credits
Buffer credits
Buffer credits, also called buffer-to-buffer credits are used as a flow control method by Fibre Channel technology and represent the number of frames a port can store....
Addressing
Time out values: E D TOV
Fibre Channel time out values
The FC-PH standard defines three time-out values used for error detection and recovery in Fibre Channel protocol.E_D_TOV stands for Error Detect TimeOut Value. This is the basic error timeout used for all Fibre Channel error detection. Its default value is 2 seconds.R_A_TOV stands for Resource...

and R A TOV
Fibre Channel time out values
The FC-PH standard defines three time-out values used for error detection and recovery in Fibre Channel protocol.E_D_TOV stands for Error Detect TimeOut Value. This is the basic error timeout used for all Fibre Channel error detection. Its default value is 2 seconds.R_A_TOV stands for Resource...
Error recovery policies
Number of sequences

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