DATA ONTAP 8.3 Cluster on Esx Getting Error Disk not found after power on the vm .
[ Failed to start the virtual machine. Module DiskEarly power on failed. Cannot open the disk '/vmfs/volumes/d1c0391d-a50882a4/RHEL_Test/vsim_esx-cm/DataONTAP-sim.vmdk' or one of the snapshot disks it depends on. The system cannot find the file specified VMware ESX cannot find the virtual disk "/vmfs/volumes/d1c0391d-a50882a4/RHEL_Test/vsim_esx-cm/DataONTAP-sim.vmdk". Verify the path is valid and try again. ]
The Fix: all you have to do is ssh into your host and run this command from the cli:
# vmkload_mod multiextent
Unfortunately after a ESXi host reboot the multiextent module unloads and you have to perform this again to get your Sims to boot. If anyone can find a way to make this persistent with a switch or write a script that makes it load upon host reboot. I'm sure everyone would be very thankful.
I'm running 8.3 RC1 on ESXi 5.5 U2. As soon as I'd done the vmkload_mod multiextent I was back in business.