ESXi

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  • 1.  SSD size mismatch

    Posted Apr 08, 2023 10:18 AM

    Hi

    I have installed a fresh version of ESXi 8.0.0 on a machine with 4TB SSD.

    However, ESXi only shows me 3.51TB. I am wondering if it's a conversion thing (Tb/TB) or a limitation, or just me missing something...

    Thanks a lot for your advice.

    gepetto12_1-1680949057063.png

     

     



  • 2.  RE: SSD size mismatch
    Best Answer

    Posted Apr 08, 2023 03:38 PM

    >>> I am wondering if it's a conversion thing (Tb/TB) ...

    That's exactly it. 4TB equals about 3.64TiB. Taking the ESXi installation into account, it's 3.64TiB - 128GiB = ~3.51 TiB.

    Calculation: 4 * 1000^4 / 1024^4 - 0.128

    André



  • 3.  RE: SSD size mismatch

    Posted Apr 08, 2023 09:48 PM

    Merci André, cheers

    I am glad you put the maths, I had a gut feeling, but could not really figure it out myself.

    Does it mean that when I allocate space to my VMs, I better take this into account. E.g. if I want to allocate 2TB, I need to ask ESXi for 1.82TiB?



  • 4.  RE: SSD size mismatch

    Posted Apr 09, 2023 08:13 AM

    No, you don't have to do any maths with creating your virtual disks. ESXi does not care about those marketing "lies".

    In my personal opinion, kB, GB, TB etc. should always represent the real Base-2 sizes, and marketing should use something different for it's Base-10 sizes.

    André



  • 5.  RE: SSD size mismatch

    Posted Apr 10, 2023 01:24 AM

    Would make things less confusing indeed. 
    Thanks



  • 6.  RE: SSD size mismatch

    Posted Apr 12, 2023 07:01 AM

    Hi,

    you forgot there the swap partition which isn't seen anywhere only over the shell.