W dniu 2018-08-22 o 13:45, Roger Lowe pisze:
On Wed, 22 Aug 2018 12:16:53 +0200, R.S. <r.skoru...@bremultibank.com.pl> wrote:
Two FICON channels were connected to a switch.
Both signal an error "Invalid attachment failure" (this is visible on SE)
I checked port#, zoning, HCD/IODF and have no idea what to check futher.
z13 FICON Express16S, DCX8510-4 with 8Gbps SFP.
Any clue?
Try invoking the 'Channel Problem Determination' task on the HMC. There are
various options associated with that task and hopefully that might give you a
clue where the issue(s) may lie.
I did. All the options.
I see "Not valid" as the other node (that means switch port) with no
details, except port speed.
The switch show the port as not connected, although Statistics show some
frames were exchanged.
The only thing is connection rate. It is set to real value. Indeed, it
is FICON Ex16 to 8Gbps SFP, but I also enforced 4Gbps on switch side
and "Analyze Channel Information" shows actual speed. So, the speed
negotiation was done succesfully. Something bad happened after that.
--
Radoslaw Skorupka
Lodz, Poland
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