Best Configuration for T4-4 and live migration

I have several T4-4 servers with Solaris 11.1
What kind of settings I need for production environments with OVM live migration?
Should I use OVM manager for rugged environments?
Should I set two io-domain on each server?
Considering that I do live migration, for guess ldom system disk should I configure (publish) one big LUN to all servers or just a separate LUN for each ldom guest.

For the first questions: it's best to have separate LUNs or other backend disks for each guest - otherwise how would you plan to share them across different guests and systems? Separate LUNs also is good for performance by encouraging parallel I/O. Choice of using an additional I/O domain is up to you, but it's very typical for production users because of the resiliency it adds.
For advice on live migration, seehttps://blogs.oracle.com/jsavit/entry/best_practices_live_migration
Other blog posts after that discuss availability and performance.
Hope that helps, Jeff

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