ndmpcopy transfers more data than expected
Applies to
ONTAP 9.x
Issue
The qtree disk used is only 606.6GB but ndmpcopy transfers 1146GB.
::> quota report -volume vol1 -tree qtree1 -fields vserver,volume,tree,quota-type,quota-target-id,disk-used,disk-limit
vserver volume index tree quota-type quota-target-id disk-used disk-limit
------- ------ --------------- ---- ---------- --------------- --------- ----------
svm1 vol1 2305843026393563136 qtree1 tree 4 606.6GB 1.95TB
[Wed Jun 16 10:07:39.975 2021] Ndmpcopy: 172.30.221.101: Log: DUMP: Dumping
/svm1/vol1/qtree1 to NDMP connection
[Wed Jun 16 10:07:39.975 2021] Ndmpcopy: 172.30.221.101: Log: DUMP: mapping (Pass I)[regular files]
[Wed Jun 16 10:13:06.585 2021] Ndmpcopy: 172.30.221.101: Log: DUMP: Reference time for next incremental dump is : Wed Jun 16 09:50:07 2021.
[Wed Jun 16 10:13:06.694 2021] Ndmpcopy: 172.30.221.101: Log: DUMP: mapping (Pass II)[directories]
[Wed Jun 16 10:14:16.792 2021] Ndmpcopy: 172.30.221.101: Log: DUMP: estimated 1201995945 KB.
[Wed Jun 16 10:14:16.980 2021] Ndmpcopy: 172.30.221.101: Log: DUMP: dumping (Pass III)[directories]