Fast Raid Storage solution (NVME in raid) and more questions

Discussion in 'SSD and HDD storage' started by tived, Dec 2, 2020.

  1. tived

    tived Active Member

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    Hi Guys,

    apologies if this has been discussed before. but I wouldn't mind picking your brains again ;-)

    Trying to find the best storage solution (Cost, benefits - speed, access etc...) I can fit 12x NVME in my system via two AIC cards (threadripper systems, at least that is the plan)

    as I am looking at different disks I keep seeing that the 500gb version of most of the current PCIe Gen4 x4 disk is slower then their bigger sisters! Why is that?

    Second question ;-)
    what is the best option for OS/application boot disk? single disk Nvme or RAID (i know that there is the Intel Optane 905p, but what else do we have) i would think that 4x NVME gen4 would outrun the Optane 905p

    I know there are no free lunch anywhere, so perhaps 4x RAID-0 of NVME say Samsung 980 PRO vs Optane 905p or a single NVME might read or write faster or there is something else that causes slowdown? latency - where is the holy grail ? cost vs best performance (if are probably splitting hairs between 1-3%)

    I would like to hear your thoughts - also if I have missed out anything please do not hesitate to add to this, I am sure we can all benefit here

    thanks

    Henrik
     
  2. JudderZalom

    JudderZalom Member

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    tived likes this.
  3. MaCk0y

    MaCk0y Master Guru

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    What platform are you on though? If mainstream, you will be limited by the bandwidth between the CPU and chipset. I have 970 raid 0 and there is no difference in bandwidth compared to single drive. On Intel mainstream chipset, it's limited by DMI 3.0. Not sure about AMD.
     
  4. Astyanax

    Astyanax Ancient Guru

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    no you can't.
     

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