Responses To Link Services; Table 5-12 Response To Link Services From Nl_Ports Not Logged-In; Table 5-13 Fc-4 Link Services - Sun Microsystems storagetek sl500 Reference Manual

FC-2 Features

Responses to Link Services

TABLE 5-12
different Link Service requests when the library NL_Port is not currently logged in
with the sending NL_Port.

TABLE 5-12 Response to Link Services from NL_Ports Not Logged-In

Frame
Received NL_Port Not Logged In
ABTS Discard and send LOGO
ADISC Discard and send LOGO
FAN Process the ELS request,
no response required
LOGO ACC
PDISC Discard and send LOGO
PLOGI ACC, LS_RJT
PRLI Discard and send LOGO
PRLO Discard and send LOGO
RSCN Process the ELS request, no
response required.
Other Link Discard and send LOGO
Services
Notes:
1. All three identifiers must match at login for Accepts (ACC) to be returned:
N_Port ID,
■
Port Name, and
■
Node Name
■
If all three identifiers do not match, return a logout (LOGO).
If other conditions prevent execution of the ADISC or PDICS ELS, return a reject (LS_RJT) with the
appropriate reason code.
2. BA_ACC if valid RX_ID else BA_RJT
3. If PRLI has not been successfully completed, set the reason code to "Image Pair Does Not Exist."

TABLE 5-13 FC-4 Link Services

Command
Sequence Retransmission
Request (SRR)
60 SL500: Interface Reference Manual • July 2008
summarizes the response the libraries generate when receiving
From Target
Initiator Response
I R
NL_Port Logged In
BA_ACC, BA_RJT
ACC and LS_RJT
Process the ELS request,
no response required.
ACC
ACC and LS_RJT
ACC
ACC
ACC and LS_RJT
Process the ELS request,
no response required.
ACC and LS_RJT
FC-Tape
From Initiator
Target Response
P
Notes
2
1
1
3
StorageTek
Lib Lib
Orig. Resp.
N N
Revision: F • 96122