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Thread: SSD vs SAS. Which one is better in performance?

  1. #1
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    SSD vs SAS. Which one is better in performance?

    Hello,
    Can any one explain the technology used for SSD & SAS Storage? And which one is better in performance?

    Thank you

  2. #2
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    Quote Originally Posted by saiefmahmud View Post
    Hello,
    Can any one explain the technology used for SSD & SAS Storage? And which one is better in performance?

    Thank you
    SSD (Solid State Drives) are a collection of loosely related mass storage devices where some form of flash memory chips are used to store data instead of magnetic spinning platters.

    SAS (Serial Attached SCSI) is a set of protocols for defining the physical and logical technologies for connecting storage devices to a computer. SAS does not define the type of mass storage devices which it connects.

    The two are related but not directly comparable. You can have SAS SSD, but you can also have non-SAS SSD (e.g. SATA or NVMe) just like you can have SAS spinning disks.
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  3. #3
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    I would suggest you to go with the latest SSD drives which are updated fastest storage technology at present among servers, you will experience speedy operations with SSD drives. SSD drives use flash memory instead of a spinning disk for much faster read/writes


  4. #4
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    Hello,

    Concerning the performance part i'd say SSD technology has better r/w perf than any mechanical disk.

  5. #5
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    Quote Originally Posted by saiefmahmud View Post
    Hello,
    Quote Originally Posted by saiefmahmud View Post
    Can any one explain the technology used for SSD & SAS Storage? And which one is better in performance?

    Thank you
    I think SSD better but if you need cheaper and more space SAS with SSD cache is good.
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    Quote Originally Posted by Server9host View Post
    I would suggest you to go with the latest SSD drives which are updated fastest storage technology at present among servers, you will experience speedy operations with SSD drives. SSD drives use flash memory instead of a spinning disk for much faster read/writes


    Quote Originally Posted by ikoula View Post
    Hello,

    Concerning the performance part i'd say SSD technology has better r/w perf than any mechanical disk.

    Quote Originally Posted by oshqeu View Post
    [CENTER]

    I think SSD better but if you need cheaper and more space SAS with SSD cache is good.
    Hopefully anyone reading this will realise that you fundamentally don't understand what SAS is and so aren't qualified to accurately answer the question.
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    Quote Originally Posted by Ed-Freethought View Post
    Hopefully anyone reading this will realise that you fundamentally don't understand what SAS is and so aren't qualified to accurately answer the question.
    Hi,

    I understand both your point and why you said that but you can't compare two technologies where one of them if limitated by a mechanical part, that's just maths, that's why i made that answer.
    With SAS, only if you take the most expessives disks and you have a bunch of them in raid mode you will have good perfs.
    On a final note i'd say the good answer is also to cheer on a new technology than a tech which will probably disappear soon...

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    Quote Originally Posted by ikoula View Post
    Hi,

    I understand both your point and why you said that but you can't compare two technologies where one of them if limitated by a mechanical part, that's just maths, that's why i made that answer.
    With SAS, only if you take the most expessives disks and you have a bunch of them in raid mode you will have good perfs.
    On a final note i'd say the good answer is also to cheer on a new technology than a tech which will probably disappear soon...
    Apparently you just fundamentally don't understand that SAS has nothing to do with mechanical disks, as I already posted months ago!
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  9. #9
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    Come on SAS is often associated with mechanical disks i may have missunderstood OP but i think he meant that way...

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    Quote Originally Posted by ikoula View Post
    Come on SAS is often associated with mechanical disks i may have missunderstood OP but i think he meant that way...
    Yes, there are mechanical disks which use SAS. There are also plenty of SSD which use SAS.
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  11. #11
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    If you want more space use SAS. But if you want better performance use SSD. SSD is working great for mysql IOps and latency is good. SSD is better for performance ( but don't use samsund ssd pro - this is shit )

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    Quote Originally Posted by lokoz View Post
    If you want more space use SAS. But if you want better performance use SSD. SSD is working great for mysql IOps and latency is good. SSD is better for performance ( but don't use samsund ssd pro - this is shit )
    You didn't bother actually reading the thread before commenting then?
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  13. #13
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    Quote Originally Posted by Ed-Freethought View Post
    You didn't bother actually reading the thread before commenting then?
    I think he thought that SAS is SATA thats why he mentioned SAS has more space.

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    Quote Originally Posted by robert4u View Post
    I think he thought that SAS is SATA thats why he mentioned SAS has more space.
    Like SAS, STATA is still just a protocol and says nothing about the kind of device using it. Most SSD are STATA!

    Everyone seems to think that SATA/SAS = mechanical spinning disks for some reason, which blatently isn't true!
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