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Raid 10 with ssd and dedicated lsi card
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Raid 10 with ssd and dedicated lsi card

KengKeng Member

Hi,

I want to know what performance I get if I put 4 x 840 samsung ssd pro in software raid vs hardware raid /lsi

is the raid card worth the money ?

Comments

  • Depends on the card. If it's 2208 based, you'd get around 1.3GB/sec dd porn with it.

  • @Keng said: I want to know what performance I get if I put 4 x 840 samsung ssd pro in software raid vs hardware raid /lsi
    is the raid card worth the money ?

    What type of performance?

    It's generally not worth it, unless you need BBU. Then again, in that case you could just use SSDs with caps.

  • KengKeng Member

    @Microlinux said:
    It's generally not worth it, unless you need BBU. Then again, in that case you could just use SSDs with caps.

    I want to have a average of 250/300 mbps with 100/150 vps servers.

  • Depends on the CPU also for dd.

  • @Keng said:

    Are these VPSes doing minimal IOPs? Are they all Linux? Is it OpenVZ? These are things that will greatly affect the amount of IOPs and throughput performance you are looking for.

    That being said, having 250-300Mbps performance is completely unnecessary unless you are in a very specialized field of media processing that requires you to munch absorbent amounts of data, such as RAW compiling.

    The IOPs are far more important, especially for multiple VMs.

  • @Keng said:
    I want to have a average of 250/300 mbps with 100/150 vps servers.

    You'll have absolutely no problem pushing that total, you should get much, much more than that. But, as mentioned above, IOPs are generally more important -- you'll have an abundance of those too, though.

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