Storage Space physical size is 21.7TB on 8 3TB drives but the storage space is showing only 14.4 availabe.

James Boone 1 Reputation point

Can you explain why? I understand parity but that is a huge drop. Also writing data is incredibly slow can you explain why?

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
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  1. Limitless Technology 38,771 Reputation points

    Hi @James Boone

    The space available will be highly dependent on the type of RAID being used. The type of RAID will also account for the read/write speed of the data.

    For example RAID 0 will give you 100% storage capacity and RAID 10 will only give you 50%, with other RAIDs somewhere in between.

    I hope this answers your question.


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