Hi,
If you are working on unix try this

mminfo -s server_name -r "ssid,totalsize" -
q "pool=pool_name,savetime>yesterday 12:00"  |sed 1,1d |sort |uniq 
|awk 'BEGIN { sum = 0 }
{ sum += $2 }
END { print sum/1.e+9 " GB"  >>"/tmp/vol_tot.txt" }'

you change yesterday by last week or last month etc.

@+
Marcel

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