Dear Guys ,
We are going to upgrade the firmware of UCS ( infrastructure and server firmware ) from 2.2 to 3.1 ! We have some technical questions we have 2 UCS chassis and each chassis it have 6 Blade servers and we have 7 number of VMware Esxi ( 4Esxi in chassis 1 and 3Esxi chassis 2) it's covered around 50 VM machines ! while server firmware upgrade from UCS it will ask reboot the blade server that time i would like to reboot the server one by one and i don't want lose unwanted shutdown any one of VM-Machines ! how can I achieve this goal ?
Best Regards
Subash
00967-738555958
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Yes.. You can achieve this.. You can reboot ESXi host one by one after putting in maintenance mode. Make sure you have Maintenance Policies - user acknowledged from UCS side.
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Dear Sunil
Great Thanks your mail and i have attached my UCS maintenance policy i think reboot policy User Ack is available
Thanks
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Perfect.. You can upgrade... Just get confirmation from Cisco TAC that u can 3.1 from 2.2.
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Dear Sunil ,
Thanks for your great answer ! I have final questions when can I make the maintenance mode in Esxi host before upgrade server firmware or after upgrade the firmware it will ask to us for reboot .. That time can we do maintenance mode ?
Best Regards
Subash.T
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Send me email on lbxsunil@gmail.com and I will share proper steps.
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Hi sunil,
Please could you check your mail
Best Regards
Subash.T
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Add your blade firmware to a host firmware policy. Add that host firmware policy to the service profile template. If you have your maintenance policy set correctly (acknowledge), then you'll get alerts for all blades affected before the firmware upgrade happens. I've leveraged both Cisco Powertool and VMWare PowerCLI to automate the process. I utilized Powertool to grab each blade with acknowledgement alert. Then loop through each one by use PowerCLI to put that host in maintenance mode, once in maintenance mode, Powertool acknowledges the alert on the blade. I then create a loop that checks the status of the blade in UCS. Once status is Ok, then it loops through checking the status in VMWare (the server may be up and OK in UCS, but the VMware OS is still booting). Once it comes back to "connected" state in VMWware. the script moves to the next ESX host.
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