We have a SAN running esxi 5.5 with a few vm servers running on it and vcenter. We accidentally had removed the power to the physical server. When the physical server came back up none of the vms started automatically. After further inspection a vm had an "!" mark, took a look at the summary tab and the server asked if it was copied or moved. I selected copied and it started. This then happened for each server in the list. One server that I can tell has lost some data and reverted back a few months. Can someone tell me what may have caused this? Is there something I can check to make sure this doesn't happen again?
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