does UCS balde BIOS upgradation will affect running ESXI configuration or not?
my Current running BIOS version is B230M184.108.40.206e.0.032920121829 and when I upgraded ESXI to ESXi 5.0.0 U3 Patch 12 Build 1489271. my blade UUID has been changed to all zero's. when I checked VMware they mentioned running BIOS version is not compatible and they asked me to upgrade to latest. so I want to update BIOS for MY blade but this BIOS is not available in activated Firmware bundle. so I need to download and use it. so my 1st question when I download new version bundle and activate it, does it affect (my previous activated )running production FI and Blades? 2nd question is When I only update the BIOS Version to latest and associate the same profile to blade does it affect my installed ESXI configurations?
Re: does UCS balde BIOS upgradation will affect running ESXI configuration or not?
BIOS upgarde will require the server to reboot.The firmware bundle, which includes BIOS, when updated requires the blade server to reboot This will affect any running VM's on that server.It wont change the config of ESX however.
If the server is taking some values from a pre defined pool, for example like UUID pool, and this pool gets exhausted before the server boots up then there will be no uuid allocated to the server so it is imp to make sure that all pools have sufficient free resources.
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