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Hard disk extremely slow over certain times [on hold]



The Next CEO of Stack OverflowHow do I destroy a hard disk?Hyper-V - Creating a large fixed disk - EXTREMELY SlowBad disk performance on HP DL360 with Smart Array P400i RAID controllerProblem with slow hard diskSlow webserver connection or hard diskExtremely High Hard Disk Reading UsageLinux - KVM - very slow disk ioSata Disk very poor performanceExtremely slow writing to external USB diskSlow Hard Disk Response Time










-1















I have a raspberry pi (running raspbian) and a 5 year old hard disk (NTFS). Everything operates normally most of time until there is a massive read/write occurring on the disk. Example:



m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
10240+0 records in
10240+0 records out
83886080 bytes (84 MB, 80 MiB) copied, 3.26341 s, 25.7 MB/s
m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
^C622+0 records in
622+0 records out
5095424 bytes (5.1 MB, 4.9 MiB) copied, 54.4939 s, 93.5 kB/s

m@raspberrypi:~/backupdisk $ ^C
m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
10240+0 records in
10240+0 records out
83886080 bytes (84 MB, 80 MiB) copied, 3.21822 s, 26.1 MB/s


When a slow down is experienced, the disk may not recover for 5-20 mins.



How can I figure out what is happening? Is it the USB bus or the hard disk or what else?



iotop is showing that writes are at 37kb/s and IO is at 99%. It is peculiar to say the least.






hard-drive io







share|improve this question















put on hold as off-topic by joeqwerty, Michael Hampton♦ yesterday


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "Questions on Server Fault must be about managing information technology systems in a business environment. Home and end-user computing questions may be asked on Super User, and questions about development, testing and development tools may be asked on Stack Overflow." – joeqwerty, Michael Hampton
If this question can be reworded to fit the rules in the help center, please edit the question.




















    -1















    I have a raspberry pi (running raspbian) and a 5 year old hard disk (NTFS). Everything operates normally most of time until there is a massive read/write occurring on the disk. Example:



    m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
    10240+0 records in
    10240+0 records out
    83886080 bytes (84 MB, 80 MiB) copied, 3.26341 s, 25.7 MB/s
    m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
    ^C622+0 records in
    622+0 records out
    5095424 bytes (5.1 MB, 4.9 MiB) copied, 54.4939 s, 93.5 kB/s

    m@raspberrypi:~/backupdisk $ ^C
    m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
    10240+0 records in
    10240+0 records out
    83886080 bytes (84 MB, 80 MiB) copied, 3.21822 s, 26.1 MB/s


    When a slow down is experienced, the disk may not recover for 5-20 mins.



    How can I figure out what is happening? Is it the USB bus or the hard disk or what else?



    iotop is showing that writes are at 37kb/s and IO is at 99%. It is peculiar to say the least.






    hard-drive io







    share|improve this question















    put on hold as off-topic by joeqwerty, Michael Hampton♦ yesterday


    This question appears to be off-topic. The users who voted to close gave this specific reason:


    • "Questions on Server Fault must be about managing information technology systems in a business environment. Home and end-user computing questions may be asked on Super User, and questions about development, testing and development tools may be asked on Stack Overflow." – joeqwerty, Michael Hampton
    If this question can be reworded to fit the rules in the help center, please edit the question.


















      -1












      -1








      -1








      I have a raspberry pi (running raspbian) and a 5 year old hard disk (NTFS). Everything operates normally most of time until there is a massive read/write occurring on the disk. Example:



      m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
      10240+0 records in
      10240+0 records out
      83886080 bytes (84 MB, 80 MiB) copied, 3.26341 s, 25.7 MB/s
      m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
      ^C622+0 records in
      622+0 records out
      5095424 bytes (5.1 MB, 4.9 MiB) copied, 54.4939 s, 93.5 kB/s

      m@raspberrypi:~/backupdisk $ ^C
      m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
      10240+0 records in
      10240+0 records out
      83886080 bytes (84 MB, 80 MiB) copied, 3.21822 s, 26.1 MB/s


      When a slow down is experienced, the disk may not recover for 5-20 mins.



      How can I figure out what is happening? Is it the USB bus or the hard disk or what else?



      iotop is showing that writes are at 37kb/s and IO is at 99%. It is peculiar to say the least.






      hard-drive io







      share|improve this question
















      I have a raspberry pi (running raspbian) and a 5 year old hard disk (NTFS). Everything operates normally most of time until there is a massive read/write occurring on the disk. Example:



      m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
      10240+0 records in
      10240+0 records out
      83886080 bytes (84 MB, 80 MiB) copied, 3.26341 s, 25.7 MB/s
      m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
      ^C622+0 records in
      622+0 records out
      5095424 bytes (5.1 MB, 4.9 MiB) copied, 54.4939 s, 93.5 kB/s

      m@raspberrypi:~/backupdisk $ ^C
      m@raspberrypi:~/backupdisk $ dd if=/dev/zero of=output bs=8k count=10k; rm -f output
      10240+0 records in
      10240+0 records out
      83886080 bytes (84 MB, 80 MiB) copied, 3.21822 s, 26.1 MB/s


      When a slow down is experienced, the disk may not recover for 5-20 mins.



      How can I figure out what is happening? Is it the USB bus or the hard disk or what else?



      iotop is showing that writes are at 37kb/s and IO is at 99%. It is peculiar to say the least.






      hard-drive io




      hard-drive io






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited yesterday







      Michael

















      asked yesterday









      MichaelMichael

      1064




      1064




      put on hold as off-topic by joeqwerty, Michael Hampton♦ yesterday


      This question appears to be off-topic. The users who voted to close gave this specific reason:


      • "Questions on Server Fault must be about managing information technology systems in a business environment. Home and end-user computing questions may be asked on Super User, and questions about development, testing and development tools may be asked on Stack Overflow." – joeqwerty, Michael Hampton
      If this question can be reworded to fit the rules in the help center, please edit the question.







      put on hold as off-topic by joeqwerty, Michael Hampton♦ yesterday


      This question appears to be off-topic. The users who voted to close gave this specific reason:


      • "Questions on Server Fault must be about managing information technology systems in a business environment. Home and end-user computing questions may be asked on Super User, and questions about development, testing and development tools may be asked on Stack Overflow." – joeqwerty, Michael Hampton
      If this question can be reworded to fit the rules in the help center, please edit the question.




















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