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How to determine why FC-adapter got disabled

[ Edited ]

Hi there,

 

How can I determine the cause of a disabled fc-adapter?

This night the adapter has changed its state to disabled, why?

 

What errors/failures can occur if i enable the adapter again? 

 

Which log is the right one?

 

Thx 4 any reply

Re: How to determine why FC-adapter got disabled

Problem solved.

 

Checked EMS Log, Shelf_ESH Log

 

 

Look for fci and esh entries:

 

Wed Sep 2 22:07:15 CEST [n001020: fci.link.error:error]: Could not recover link on Fibre Channel adapter 0b after 30 seconds. Offlining the adapter

<esh_word_error_1

diskID="[IN] port"

channels="PARTNER/0b"

shelfID="1"

element="ESH A "

bay=" "

reason="reports invalid word error"/>

 

 

No connections between fc adapters.

 

possible reasons:

 

failed esh modul

failed sfp transceivers

 

Reason: failed sfp transceiver

 

 

After replacement of sfp transceiver the resync has started. Resync completed. Everythin is fine.