Zfs Calculator
Calculate ZFS pool capacity, redundancy, and usable space based on drives, RAID level, and failure tolerance.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
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Frequently Asked Questions
ZFS is a combined file system and logical volume manager designed by Sun Microsystems, known for data integrity, snapshots, and flexible RAID configurations.
For RAID 5 (single parity), usable capacity = (number of drives - 1) × drive size. One drive's worth of space is used for parity.
Overhead accounts for filesystem metadata, snapshots, or other space reservations. It reduces the usable capacity by that percentage.
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