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20 lines
993 B
ReStructuredText
20 lines
993 B
ReStructuredText
The underlying design of BTRFS data structures allows a lot of flexibility and
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making changes after filesystem creation, like resizing, adding/removing space
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or enabling some features on-the-fly.
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* **dynamic inode creation** -- there's no fixed space or tables for tracking
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inodes so the number of inodes that can be created is bounded by the metadata
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space and its utilization
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* **block group profile change on-the-fly** -- the block group profiles can be
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changed on a mounted filesystem by running the balance operation and
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specifying the conversion filters (see :doc:`balance<Balance>`)
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* **resize** -- the space occupied by the filesystem on each device can be
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resized up (grow) or down (shrink) as long as the amount of data can be still
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contained on the device
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* **device management** -- devices can be added, removed or replaced without
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requiring recreating the filesystem (mkfs), new redundancy options available
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on more devices can be also utilized by rebalancing
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