add copy sparse files

content/post/copy-sparse-files.md

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+---
+title: "Copy Sparse Files"
+date: 2021-08-05T07:12:29Z
+lastmod: 2022-04-29T07:12:29Z
+draft: false 
+keywords: [rsync sparse]
+description: ""
+tags: [rsync]
+categories: [linux]
+author: ""
+
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+---
+
+Using normal methods to copy sparse files will only take up so much time and actual storage. Pass `-S` to rsync to tell you are transgerring sparse files and it take care of it.
+<!--more-->
+For other methods to copy a sparse file, refer to this [StackExchange post](https://serverfault.com/questions/665335/what-is-fastest-way-to-copy-a-sparse-file-what-method-results-in-the-smallest-f).