Compatibility Matrix

Space Pre-Allocation
The following tables provide an estimation of the pre-allocated (reserved) space for various file-system functions. These
calculations can help you estimate disk space requirements and space growth of FluidFS systems.
Table 21. Reserved Space by Function
Allocation per Reserved space
Cluster 10.4 GB
Appliance 345.5 GB
LUN 4 GB
Data Reduction 0.012% of total space, minimum 16 GB, maximum 256 GB
Total space 0.5%
The amount of reserved space can also be estimated using the following table.
Table 22. Reserved Space by Pool Size
NAS Pool Size Percentage of Reserved Space
10 TB 20 TB 2.5% 4.5%
20 TB 128 TB 1% 2.5%
> 128 TB < 1 %
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22 Space Pre-Allocation