Odroid Slow SMB Read Rates

    • OMV 3.x
    • Odroid Slow SMB Read Rates

      greetings follow members of omv

      i have installed omv on odroid jessie, followed these instructions: INSTRUCTIONS
      everything is up and working fine :)

      i have a little problem with slow read rates(~30MB) on SMB but write rates (~60MB) are fine
      i have: 1x Seagate 1TB EXT4 USB 3.0 and 1x WD 1TB NTFS USB 3.0
      both connected to 4-Port USB 3.0 bus powered with 5V/2.5A power adaptor
      odroid and my PC(win10) are connected to Gigabit network
      can you guys help me sort out this problem

      here are my stats of both HDDS

      SEAGATE (EXT4)
      ————————-
      SMB Rates
      Write: ~60MB
      Read: ~33MB

      Source Code

      1. #hdparm -Tt /dev/sda1
      2. /dev/sda1:
      3. Timing cached reads: 1416 MB in 2.00 seconds = 708.82 MB/sec
      4. Timing buffered disk reads: 292 MB in 3.01 seconds = 97.02 MB/sec
      5. #cd /media/sda1
      6. #dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc
      7. 1073741824 bytes (1.1 GB) copied, 12.8484 s, 83.6 MB/s
      8. #echo 3 > /proc/sys/vm/drop_caches && dd if=tempfile of=/dev/null bs=1M count=1024
      9. 1073741824 bytes (1.1 GB) copied, 11.4987 s, 93.4 MB/s
      Display All



      WD (NTFS)
      ——————
      SMB Rates:
      W ~63MB
      R ~32MB


      Source Code

      1. #hdparm -Tt /dev/sdb1
      2. /dev/sdb1:
      3. Timing cached reads: 1354 MB in 2.00 seconds = 677.23 MB/sec
      4. Timing buffered disk reads: 292 MB in 3.01 seconds = 97.06 MB/sec
      5. #cd /media/sdb1
      6. #dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc
      7. 1073741824 bytes (1.1 GB) copied, 19.5976 s, 54.8 MB/s
      8. #echo 3 > /proc/sys/vm/drop_caches && dd if=tempfile of=/dev/null bs=1M count=1024
      9. 1073741824 bytes (1.1 GB) copied, 10.7175 s, 100 MB/s