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.
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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.