Tag Archives: FICON

FICON only supported in specific versions of SAN-OS / NX-OS

Here is something you may not know, I know I was not aware. FICON is only supported in specific versions of SAN-OS / NX-OS. So you may see all kinds of strange behavior, as I have been seeing and reported … Continue reading

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Tips and Pitfalls: FICON

Common Commands show ficon vsan vsan portnumber show ficon port-numbers assign Key Points / Pitfalls 1, 2, 6, 9 slot chassis have 32 ficon ports per slot 13 slot chassis has 16 ficon ports per slot swapping interfaces swaps port … Continue reading

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Potential bug in FICON when using default-state prohibit-all

Update: This looks like it’s Cisco internal bug CSCed28478 – prohibit should not be allowed for E ports I am currently using SAN-OS 3.3(5a) but have also tried this on SAN-OS 3.3(5). If you configure FICON with ficon port default-state … Continue reading

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Using Device Manager to your advantage in the CCIE Storage Lab

I have been studying for my CCIE Storage Lab for quite some time. In practicing the various technologies available on the MDS, I mostly prefer to use the command line to do almost all of my work. There are however … Continue reading

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FICON configuration not saved after reboot

Here is a strange one. I have FICON setup between MDS1 and MDS3. Everything is set as needed for FICON and working. I save the config, reboot MDS3, and the FICON configuration is gone! I re-paste the config and everything … Continue reading

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