lvcreate

Create a logical volume

medium risk

interactive breakdown — edit the command and press Explain

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⚠ Risks & cautions

Snapshots that fill up become invalid and degrade performance — monitor with lvs.

What it does

Creates LVs, snapshots and thin volumes.

Common flags

Flag	Meaning
`-L`	Size
`-l`	Extents or %
`-n`	Name
`-s`	Snapshot

Examples

lvcreate -L 20G -n data vg020 GB volume · explain & risk-check →

lvcreate -s -n snap -L 5G vg0/dataSnapshot · explain & risk-check →

Related

Open the full explainer →More in Disks & Filesystems

Reference text is hand-written and may be incomplete — check man lvcreate for your version. Test destructive commands on a non-production system first.