Try 'priv set -q diag; wafl scan status'. You may find it's a deswizzle operation if it's a snap mirror destination. 

On 18 October 2016 at 20:13, Carl Howell <chowell@uwf.edu> wrote:
I've got an aggregate on a FAS2554c, running ONTAP 9, that runs at over 4500 read IOPS constantly. All of the volumes in the aggregate don't generate near that many IOPS and SnapMirror doesn't look like the cause either. I've used OCUM, statistics show...., etc, and haven't been able to find out what's causing this. Any suggestions?

Thanks,

--Carl

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