We've got several Nexus 7Ks all running dual SUP1s and 8GBs of memory and we plan to update from 5.2.9 to 6.2.10 which will require two upgrades. I am trying to get a rough idea on how long one of the upgrades will take; assuming no VPCs, fabric path, and two VDCs. It's a 7010 chassis with all slots occupied by either a fiber card or a copper blade. I tested in a lab with the <install all path//kickstart path//system parallel> and it took about 90 min to go from 5.2.9 to 6.2.2. That seems like an excessive amount of time. Is that amount of time about avg? Much obliged on any help/comments received.
90 min is a long time. Usually each reboot should take about 15 min. So 2x15=30 and than another 5 min or so for the install command. So, I would say, it should not take longer than 45 min.
So, if you have 60 min window you should be fine.
HTH
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