网络工程师
RAID Capacity Calculator
Use this raid capacity calculator entirely in your browser.
Raw capacity: 48 TB.
Nominal failure tolerance: Two drives.
Calculations happen locally in your browser.
RAID is not a backup
The calculator assumes equal-size drives and reports nominal decimal capacity. Filesystem metadata, hot spares, controller rules, mixed drive sizes, and vendor-reserved space can reduce usable capacity. RAID improves availability; it does not replace separate, tested backups.
如何使用此结果？ calculator
- 输入标注值并查看实时结果。
- 查看实时结果，并在需要共享时使用“复制结果”功能。
如何 calculation works
Usable capacity applies the selected RAID layout's parity or mirroring rule to equal-size drives.
公式
Usable capacity applies the selected RAID layout's parity or mirroring rule to equal-size drives.
分步指南 calculation
- 输入标注值并查看实时结果。
- Usable capacity applies the selected RAID layout's parity or mirroring rule to equal-size drives.
- 检查显示的结果，如有需要，请复制。
示例
Six 8 TB drives in RAID 6 provide 32 TB nominal usable capacity.
风险提示
常见问题解答
此工具是否会将我的输入发送到其他地方？
否。交互式计算在您的浏览器中运行，本网站不会将工具输入提交到后端。
我应该如何使用结果？
检查输入的单位和值是否符合实际情况，尤其要注意日期、断点和舍入方式。