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What’s with cp –reflink: failed to clone: Invalid argument?

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Jan 24, 2021

Most modern copy-on-write file systems, such as Btrfs and XFS, support file cloning. (OpenZFS being the notable exception.) However, the tools that support this space-saving innovation can be difficult to use. Here’s an example situation detailing how the simple copy (cp) command on Linux can make it hard to understand what’s going on.
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Anonymous

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