how to replace a secondary IO Module (2208XP) on a UCS Chassic

Curtis Hu · ‎10-30-2015

Hello,

I couldn't find any Cisco document explain this procedure, does anyone know how to replace a IO Module (2208XP) on a UCS Chassic? From the UCSM, there's no option to decommession the IOM, do I just need to unplug the IO Module from the Chassic then put the new one in? Or there's any other step need to be taken.

Your response is appreciated, thanks

Walter Dey · ‎10-30-2015

Hi Curtis

In principle if service profile associated with a blade has dual fabric connectivity, and multipathing for Ethernet and FC is working properly, you could just remove and replace a IOM.

However, and I'm paranoid here, I would do it in a service window, or at least off hours.

Installing and Removing a FEX or Fabric Interconnect

http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/hw/chassis-install-guide/ucs5108_install/ucs5108_install_chapter_011.html

Curtis Hu · ‎10-30-2015

Thanks Walter, we have upgraded the UCSM, IOM and FI before, and there's no service inturruption at all. In that case, the multipathing should works the same when remove the IOM for a replacement?

Walter Dey · ‎10-30-2015

Yes, of course; but their is a time window of around 10 minutes, where you only have one fabric in that particular chassis. And this is of course a single point of failure.

compton18 · ‎03-02-2016

Any tips from your work? I am working on a 2104 to 2208 upgrade and looking into procedure and gotcha's at this time

Wes Austin · ‎03-02-2016

This document should be beneficial:

UCS 2104 to UCS 2200 Series FEX Upgrade Considerations

http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/hw/chassis-install-guide/ucs5108_install/ucs5108_install_chapter_011.html#ID225

Thanks,

Wes

compton18 · ‎03-02-2016

Wesley,

Thanks for the doc, I was reading over that one and this one both of which have great information.

http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/upgrading/from2-0/to2-0MR/b_UpgradingCiscoUCSFrom2-0To2-0MR/b_UpgradingCiscoUCSFrom1-4To2-0_chapter_0101.html#d8429e1109a1635

Honestly is just seems too easy like there is more to it. I was hoping to fish out some real world hands on experience / gotcha's.

datance11 · ‎03-20-2017

Hi Curtis,

i'm about to do a similar procedure with one IOM, but in my case, the devices that i have to remove is the one connected to the F.I. Primary. I'm looking for information of the procedure, but i couldn't find something that help me. Could you tell me the steps that you used?. Any recommendation?.

Thanks in advance.

Kind regard.