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fsckit
Enthusiast
Enthusiast

EMC disks and VAAI -- Timed out waiting for migration data

Anyone else having storage vmotions fail on EMC storage with VAAI enabled? We added some new EMC disks on a different SYMMETRIX frame, and unless I disable VAAI, I cannot migrate data to these disks. I get "Timed out waiting for migration data". If I disable these three VAAI parameters, it works, though the storage migrations do take longer:

VMFS3.HardwareAcceleratedLocking

DataMover.HardwareAcceleratedMove

DataMover.HardwareAcceleratedInit

Running 'esxcli storage core device vaai status get' shows everything supported on the new disks:

   VAAI Plugin Name:

    ATS Status: supported

    Clone Status: supported

    Zero Status: supported

    Delete Status: supported

The existing disks on the old EMC frame do not suffer from this problem. I can leave VAAI enabled and migrate to them just fine. Obviously I am working with EMC to try to determine what's going on, but I wondered if anyone else has seen this.

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