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After a quick link flap, a target was seen to send us a LOGO. Apparently, it saw an RSCN reporting that we had dropped out of the fabric after we had logged back into it. This is likely in larger fabrics (more than 2 FC switches) after a quick link flap at the initiator. Each link transition causes an port-specific RSCN to the target. After the link comes back up, the initiator successfully discovers and does a PLOGI to the target before the target sees the first RSCN reporting the initiator is gone, and it sends a LOGO. The target may see a subsequent RSCN saying the port is back, but probably wouldn't send a PLOGI and leaves it up to the initiator to re-login. An RSCN can be delayed by the switches due to software layers but a PLOGI is forwarded in hardware causing the PLOGI to beat the RSCN. If a remote port is in the discovered set and sends a LOGO, re-login to it. Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de> |
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| .. | ||
| fc_disc.c | ||
| fc_elsct.c | ||
| fc_exch.c | ||
| fc_fcp.c | ||
| fc_frame.c | ||
| fc_lport.c | ||
| fc_rport.c | ||
| Makefile | ||