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Single FI migration to a cluster

Krzysztof Zaleski
Level 1
Level 1

‎06-21-2012 02:28 PM - edited ‎03-01-2019 10:28 AM

Hello,

I have a customer who uses UCS B-series infrastructure with single fabric interconnect (don't ask why). There is UCSM 1.4 running on it. Now, the customer purchased additional FI to create a cluster, as recommended. Now, the second FI arrived with 2.0 code. My question is, if I promote that single FI to a cluster and connect the seconf FI, will it be downgraded to 1.4 by the master, or newer version will take over, although it is on a slave? Should I perform manual downgrade to 1.4 on that new FI before I connect it to existing master? We do not need an upgrade to 2.0 now, 1.4 is doing just fine for this environment, so we want to stick wit it.

Cheers,

Krzysztof

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5 Replies 5

Robert Burns
Cisco Employee
Cisco Employee

‎06-21-2012 06:08 PM

Krysztof,

Never introduce a cluster member FI at a different version.

Best approach would be to downgrade the new FI to the same version first.  Next promote the Standalone FI to primary, then introduce the secondary.  (Though this process should not be disruptive, I would schedule downtime regardless to be safe.

Primary/Secondary roles are not chosen by the higher FW level. 

If you have no need for the 2.0 features or bug fixes, then stay put where you are.  If it's not broken, don't fix it.

Regards,

Robert

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