See a host disconnect from vclient, red alarm flag, open discovery via UCS's KVM console, display purple screen!
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Until then, the host has been running normally, after restarting the host, the host is able to enter into ESXi and see the status of the server in the UCS as follows:
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Depending on the error that is found in the memory problem, locate the slot F1 for the memory that is having the problem.
Open the blade server, swap this memory with another memory, reboot, the server is OK!
Reconnect the server in Vclient, find the server back to normal, no memory alarm! At this point, the problem solved!
This article is from the "Xunil" blog, make sure to keep this source http://136464.blog.51cto.com/126464/1601620
Encounter ESXi host Purple screen