The btrfs file system is quickly becoming more widespread. It's used on a number of Linux distributions and offers plenty of features that make sense in a data center environment--features like snapshots, load balancing, online defragmentation, pooling, and error detection. . To get the most out of the btrfs file system, you're going to need to know how to use some of the more advanced features.

Link: How to rebalance your btrfs filesystem on your Linux data center servers
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