How to calculate the capacity of a RAID array?
In order to calculate the capacity of a disk array using our RAID capacity calculator, you need to know the peculiarities of each configuration, as some parts of it will limit the usable capacity of the array, like mirroring and parity. Then, you need to know the number and size of the remaining disks and multiply them together.
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How many disks are needed for a RAID 0 array?
Hot spares can be used as well. This is a RAID 0 array striped across RAID 6 elements, making it require at least 8 disks (2 sets of 4 disks) at minimum. It offers great reliabilty, but at a heavy cost in terms of usable capacity as percent of overall disk capacity.
Is there a raid reliability calculator for Windows?
All of these resources will be helpful when planning your next RAID array. STH has a new RAID Reliability Calculator which can give you an idea of chances for data loss given a number of disks in different RAID levels. Check this one out next! If you find this useful, share the calculator!
Is there a raid calculator for ServeTheHome?
ServeTheHome now provides a free RAID calculator. You can quickly see what the usable capacity is for a given configuration. This is currently a version 1 RAID calculator, where we simply calculate approximate array sizes. We will be adding features over time. All of these resources will be helpful when planning your next RAID array.