How to find which hard drives a LVM volume uses?

How to find which hard drives a LVM volume uses to decide which volume will be affected if a disk failes.

You can use lvdisplay with the --maps option to display the the mapping of logical extents to physical volumes and physical extents:

# lvdisplay --maps

To map physical extents to logical extents, use

# pvs --segments -o+lv_name,seg_start_pe,segtype
Answered by Eric Z Ma.

Eric Z Ma

Eric is a father and systems guy. Eric is interested in building high-performance and scalable distributed systems and related technologies. The views or opinions expressed here are solely Eric's own and do not necessarily represent those of any third parties.

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