DT02ABA600+ext4 Sequential read+Random write performance

DT02ABA600+ext4 Sequential read+Random write performance
Seq Q32T1 R: 102MB/s
Seq Q32T1 R: 101MB/s
Seq Q32T1 R: 103MB/s
Seq Q32T1 R: 94MB/s
Seq Q32T1 R: 79MB/s
Seq Q32T1 R: 98MB/s
Seq Q32T1 R: 94MB/s
Seq Q32T1 R: 95MB/s
Seq Q32T1 R: 81MB/s
Seq Q32T1 R: 90MB/s
--start Random async write--
Seq Q32T1 R: 6.55MB/s
Seq Q32T1 R: 3.89MB/s
Seq Q32T1 R: 1.74MB/s
Seq Q32T1 R: 1.80MB/s
Seq Q32T1 R: 3.35MB/s
Seq Q32T1 R: 1.40MB/s
Seq Q32T1 R: 1.61MB/s
Seq Q32T1 R: 1.67MB/s
Seq Q32T1 R: 2.65MB/s