Parallel Patching in Solaris 10

 

When you patch a Solaris 10 server it applies each patch to each zone one-at-a-time . So if you have 3 zones and it takes 1 minute to apply a patch on global zone then it will take another 1 minute each to apply on other 3 zones. Thus in total you will be spending around 4 minutes to apply single patch on the server. You can imagine the time it will take to apply a 300 patches bundle.

From Solaris 10 10/09 onward you have got an option to patch multiple zones in parallel.

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