You can do it on VMware level - for example with Veeam Backup & Replication. Or you can do it on SQL server level - in this case forget that you have virtual servers and treat them like physical.
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MCSA, MCTS, VCP, VMware vExpert '2009
http://blog.vadmin.ru
EMCCAe, HPE ASE, MCITP: SA+VA, VCP 3/4/5, VMware vExpert XO (14 stars)
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