おまえの hddparm -tT 教えてください。

SSD単体
# hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 8578 MB in 2.00 seconds = 4293.74 MB/sec
Timing buffered disk reads: 1360 MB in 3.00 seconds = 453.22 MB/sec

SSD5台によるRAID0
# hdparm -tT /dev/md0
/dev/md0:
Timing cached reads: 8558 MB in 2.00 seconds = 4283.58 MB/sec
Timing buffered disk reads: 2512 MB in 3.00 seconds = 836.70 MB/sec

SSD5台によるRAID10
# hdparm -tT /dev/md1
/dev/md1:
Timing cached reads: 8720 MB in 2.00 seconds = 4364.81 MB/sec
Timing buffered disk reads: 2248 MB in 3.00 seconds = 748.93 MB/sec