53 lines
796 B
Markdown
53 lines
796 B
Markdown
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# Btrfs
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### Snapshot
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#### Create shapshot
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```bash
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btrfs subvolume snapshot xyz xyz-snapshot-path-name
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```
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```bash
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btrfs subvolume snapshot main "main-`date +%Y-%m-%d`"
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```
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#### Delete shapshot
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```bash
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btrfs subvolume delete xyz-snapshot-path-name
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```
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```bash
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btrfs subvolume delete "`echo main-* | tr ' ' \\\\n | sort | head -n 1`"
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```
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#### Set RO / RW
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```bash
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btrfs property set -f . ro false
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```
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```bash
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btrfs property set -f . ro true
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```
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### Common
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#### Resize
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```bash
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btrfs filesystem resize max /mnt/dmp/
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```
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View device ID
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```bash
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btrfs device usage /mnt/dmp/
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```
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```bash
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btrfs filesystem resize ID:max /mnt/dmp/
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```
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#### Defragment / compress
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```bash
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mount -o compress=zstd:15 -t /dev/sdx /mnt
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```
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```bash
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btrfs filesystem defragment -v -clzo /boot/*
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```
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```bash
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chattr +c dir
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```
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