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  1. #1
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    Is a cloud VPS with 2.8MB/s disk speed fine?

    Hi,

    I'm on a cloud VPS but the disk speed when I run dd command (dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync) is always 2.8MB/s.

    Should I keep this VPS or get refunded because the provider is willing to give me a full refund.

    Thank for reading.

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  2. #2
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    I would ask for a refund after giving the host a chance to fix it.

  3. #3
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    Quote Originally Posted by dmmcintyre3 View Post
    I would ask for a refund after giving the host a chance to fix it.
    It seems they couldn't fix it. I've reported 2 days ago but I've just checked and the speed is now 1.9MB/s.

    It's RAID5 storage...

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  4. #4
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    You may want to look into getting a new Host. Support tickets should be answered within 2 minutes, not 2 days.
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  5. #5
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    May I ask what provider this is with? It's possible that the storage node has some hardware failure. You said it's a storage server? Generally, they have 10 - 25+ hard drives, and that can be a pain to keep everything fixed. Or maybe someone is using R1Soft. R1Soft can destroy I/O. Contact your provider.
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  6. #6
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    R1Soft might have an impact on I/O but certainly not that much in normal cases.

    That's shockingly slow and will negatively impact performance for almost every application. I'd leave if it can't be fixed.
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  7. #7
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    About 10mb/s is the lowest standard for me, your result will make you crazy if you try running windows on that VPS.

  8. #8
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    Quote Originally Posted by layer0 View Post
    R1Soft might have an impact on I/O but certainly not that much in normal cases.

    That's shockingly slow and will negatively impact performance for almost every application. I'd leave if it can't be fixed.
    You'd be shocked, I've seen R1Soft completely destroy backup nodes.
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  9. #9
    Quote Originally Posted by dasklney View Post
    Hi,

    I'm on a cloud VPS but the disk speed when I run dd command (dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync) is always 2.8MB/s.

    Should I keep this VPS or get refunded because the provider is willing to give me a full refund.

    Thank for reading.
    If I am you, I will be request for refund and go for another VPS provider.
    The read/write speed you get is really slow.

  10. #10
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    Quote Originally Posted by dasklney View Post
    Hi,

    I'm on a cloud VPS but the disk speed when I run dd command (dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync) is always 2.8MB/s.

    Should I keep this VPS or get refunded because the provider is willing to give me a full refund.

    Thank for reading.
    Anyone who uses RAID5 in production is not doing themselves or their customers any favors. Not only is it slow, it's also HUGELY risky with data vs RAID10.

    Those speeds are atrocious, maybe 1/10th or 1/20th where they should be for just an average provider. I would contact the host and ask them to fix it, then ask for a refund if they can't.

    Best,
    Dave
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  11. #11
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    Quote Originally Posted by Scott Corbin View Post
    You may want to look into getting a new Host. Support tickets should be answered within 2 minutes, not 2 days.
    They are answering the ticket very fast, but something like "we will looking into this..."

    Thank all for replying. I think 2MB/s is freaking slow too The max speed I could get is 3.1MB/s.

    Currently leave this VPS empty

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  12. #12
    Quote Originally Posted by daveg01 View Post
    Anyone who uses RAID5 in production is not doing themselves or their customers any favors. Not only is it slow, it's also HUGELY risky with data vs RAID10.

    Those speeds are atrocious, maybe 1/10th or 1/20th where they should be for just an average provider. I would contact the host and ask them to fix it, then ask for a refund if they can't.

    Best,
    Dave
    brutal to use RAID5 or RAID50 in a production SAN for cloud computing. The reason providers do it is 2 fold. 1) because they get more usable disk and 2) because they can hide poor performance with very good read speeds. Sites appear to load snappy, etc relative to the amount of disk space you are saving - that is until you try and do any heavy writes - then good luck...

    to your point, kinda scary to think RAID5 - I would hazard a guess that SAN isnt replicated or redundant either..
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  13. #13
    Quote Originally Posted by layer0 View Post
    R1Soft might have an impact on I/O but certainly not that much in normal cases.

    That's shockingly slow and will negatively impact performance for almost every application. I'd leave if it can't be fixed.
    I'm with you - never see anything like this. Mind you, the SAN being RAID5 and saturated? R1soft could cause some issues for sure. You need to give R1Soft resources to be effective and efficient. it doesnt do well in environments without appropriate overhead.. I still cant see R1soft being the root cause here - though certainly wouldnt help if there were a bunch of VMs being backed up on a SAN like this...
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  14. #14
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    Indeed, the root cause is likely just poor infrastructure. RAID 5 wasn't a good choice either. There's too many providers out there offering "clouds" with extremely poor disk I/O like this. I don't know how they think this type of performance is acceptable to be honest.
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  15. #15
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    If I do a dd test on either one of my dogs they can wag their tails faster than 1.9 MB/s... and what sort of 'cloud' uses raid 5 for the love of cheese!

    They have done you up like a kipper my son... time to move on, I just left the GNAX cloud because it only gets 10 - 20 MB/s and that was used purely as a test rig.
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  16. #16
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    I won this VPS on a bid at very dirty cheap price Maybe it was their way to kick me out.

    Because when I requested the refunded, they was very kind to do this (they even offered this refund solution at first time I reported this issue).

    And in their email, they promised to give me a Free trial in the next 2 weeks (next 2 weeks is now), but when I came back to their client system, I was trying to login, always failed, it seems they've removed all of my records.

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  17. #17
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    But of course 2.8MB/s disk speed is perfectly fine - after all it is running on water vapour

    edit: Name the provider!

  18. #18
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    Quote Originally Posted by rds100 View Post
    But of course 2.8MB/s disk speed is perfectly fine - after all it is running on water vapour

    edit: Name the provider!
    You could find it yourself by click on my ID, then find which bid I won

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  19. #19
    Quote Originally Posted by backtogeek View Post
    If I do a dd test on either one of my dogs they can wag their tails faster than 1.9 MB/s
    I can just imagine an xkcd post for this
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  20. #20
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    Quote Originally Posted by dasklney View Post
    I won this VPS on a bid at very dirty cheap price Maybe it was their way to kick me out.

    Because when I requested the refunded, they was very kind to do this (they even offered this refund solution at first time I reported this issue).

    And in their email, they promised to give me a Free trial in the next 2 weeks (next 2 weeks is now), but when I came back to their client system, I was trying to login, always failed, it seems they've removed all of my records.
    Which cloud provider were you using?

  21. #21
    2.8MB/s is not good. What would you do if you actually had to restore backup for a live production server--how long would that take at 2.8MB/s?!
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  22. #22
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    I'm getting 133MB/S on a cloud.. so that's probably screwed up, ask for a refund

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