09-27-2011
It is entirely depend on you and your applications criticality and compatibility, if you want to have new kernel every time. In my environment, it is not so much required. If you can afford little downtime, then Solaris Live Upgrade is a feature in Solaris, where you will update your kernel without having long downtime. It will be up with just a reboot after setting up all required things. I am not sure, if you have Solaris in your option.
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