This was first time when I came across such issue where exit from maintenance mode was taking a long time and appearing like stuck on 15% (waited for at least 20 minutes). To see whats going on the host, connected to the host using
Putty and checked the maintenance status of host using the vim-cmd command,
#vim-cmd hostsvc/hostsummary |grep inMaintenceMode
#/etc/init.d/hostd restart
#/etc/init.d/vpxa restart
#vim-cmd hostsvc/hostsummary |grep inMaintenceMode
And I was amazed to see the output, it was
clearly showing the host has exited from maintenance mode while from GUI it was still showing in progress.
Then I thought vSphere client might not refreshed the task
status so closed the connection and then reconnected to vC again. This time
there was some progress, but still it was taking too long to Exit from maintenance
mode.
Whenever we see this kind of unusual issues , we look at restart of host management agents.
I have bad experience in past with restarting all the
agents at once using #services.sh restart (it takes a long time to complete),
so prefer to restart host and vCenter agents individually using below
commands,
#/etc/init.d/hostd restart
#/etc/init.d/vpxa restart
Now coming back to the point, this fixed the issue however
the host was showing like the HA agent didn’t installed correctly so again I put the host back in to the maintenance mode and once the task completed,
exited from maintenance and this time there was no issue.
That’s it… :)
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