mirror of https://github.com/CrimsonTome/tldr.git
25 lines
717 B
Markdown
25 lines
717 B
Markdown
# btrfs device
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> Manage devices in a btrfs filesystem.
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> More information: <https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs-device>.
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- Add one or more devices to a btrfs filesystem:
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`sudo btrfs device add {{path/to/block_device1}} [{{path/to/block_device2}}] {{path/to/btrfs_filesystem}}`
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- Remove a device from a btrfs filesystem:
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`sudo btrfs device remove {{path/to/device|device_id}} [{{...}}]`
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- Display error statistics:
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`sudo btrfs device stats {{path/to/btrfs_filesystem}}`
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- Scan all disks and inform the kernel of all detected btrfs filesystems:
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`sudo btrfs device scan --all-devices`
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- Display detailed per-disk allocation statistics:
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`sudo btrfs device usage {{path/to/btrfs_filesystem}}`
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