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    Online.net IO SSD Speed
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    Online.net IO SSD Speed

    Hello Guys.
    Am owning a Dedibox SC SSD 2016 from online.net and today tested the IO and this is what I get:

    [[email protected] ~]# dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=direct
    1+0 records in
    1+0 records out
    1073741824 bytes (1.1 GB) copied, 24.8319 s, 43.2 MB/s
    [[email protected] ~]#

    Is this ok for SSD?

    Comments

    • Not sure how to respond apart from this is my 'limited 33xx' with a slow 7200rpm laptop HDD
      1+0 records in
      1+0 records out
      1073741824 bytes (1.1 GB, 1.0 GiB) copied, 8.65567 s, 124 MB/s

    • This is what my oldest server with a normal spinnng disk reports:

      1073741824 bytes (1.1 GB) copied, 10.866 s, 98.8 MB/s

      So, no. This seems not okay for SSD. ;-/

      "Actually, throughout my life, my two greatest assets have been mental stability and being, like, really smart.", Stephen Hawking, 2017. Join the Amitz party here.

    • Although trhere is one variable - just how full is this SSD?

    • AmitzAmitz Member
      edited September 2016

      And what does

      ioping -R /

      say?

      "Actually, throughout my life, my two greatest assets have been mental stability and being, like, really smart.", Stephen Hawking, 2017. Join the Amitz party here.

    • Why are you using a 1G blocksize?

      I like my uptime down low and my servers all hacked. Can see me droppin' twenty-fours with a router in the rack.
      Ya like ya Switch-Ports hot and ya servers all hacked. If ya pings real high and ya networks pitch black.

    • Same command on a Dedibox XC SSD:

      1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.52121 s, 237 MB/s

      Not the very best, but fine I guess.

    • WebProjectWebProject Member, Provider

      WHT said: 24.8319 s, 43.2 MB/s

      the speed for SSD hard drive is too slow, you do get 150+ MB/s (depends on setup)

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    • Ok thanks. I have already contacted online.net

    • jarjar Provider
      edited September 2016

      MB/s on sequential write is not a valid test of whether a drive is good or not. IOPS is far more telling, and the most important factor of all is: Is this causing problems for your particular applications? Do your applications require writing large blocks of 200+MB/s of data to disk constantly?

      DD test porn is cool, but that's all it is.

    • WHT said: dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=direct

      maybe try:
      dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; rm test

    • tamicrealotamicrealo Member
      edited September 2016

      this is clearly a "diamond disk", which reminds me the couple dollar LIFE-TIME vps.

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