If you are using EMC VNX with ESXi 5.1, you may experience low performance when do storage vMotion or VM clone.
This is a known issue on VNX, you have to disable VAAI feature to avoid this problem.
If you are using EMC VNX with ESXi 5.1, you may experience low performance when do storage vMotion or VM clone.
This is a known issue on VNX, you have to disable VAAI feature to avoid this problem.