服务器突然停电，iSCSI存储也罢工了，导致Esxi中的虚拟机报错，出现了Unknow Inaccessible
从万能的网上找到了解决办法
To re-register a virtual machine:
Right-click the Unknown VM entry and click Remove From Inventory.
Browse to the appropriate datastore for the virtual machine and open the folder.
Right-click the *.vmx file and click Add to Inventory.
Power on the virtual machine.
Repeat Steps 1 to 4 for all unknown virtual machines.
按照这个办法，完美解决
附赠原文链接
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2172
