lvconvert — Convert or modify the type, redundancy, or state of logical volumes. More information: <https://mann

Convert a linear logical volume to RAID1 (add one mirror: two copies total)

sudo lvconvert --type raid1 {{[-m|--mirrors]}} 1 {{/dev/vg_name/lv_name}}

Remove mirroring and convert back to a linear logical volume

sudo lvconvert {{[-m|--mirrors]}} 0 {{/dev/vg_name/lv_name}}

Merge a snapshot back into its origin logical volume (applies on next activation)

sudo lvconvert --merge {{/dev/vg_name/snapshot_lv}}

Repair a degraded RAID logical volume

sudo lvconvert --repair {{/dev/vg_name/lv_name}}

Convert an existing logical volume into a thin pool with a separate metadata LV

sudo lvconvert --type thin-pool --poolmetadata {{/dev/vg_name/pool_metadata_lv}} {{/dev/vg_name/pool_lv}}