Update cheatsheets

tldr/linux/pvscan

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pvscan
+
+> List all physical volumes and manage their online status.
+> More information: <https://manned.org/pvscan>.
+
+- List all physical volumes:
+
+`pvscan`
+
+- Show the volume group that uses a specific physical volume:
+
+`pvscan --cache --listvg {{/dev/sdX}}`
+
+- Show logical volumes that use a specific physical volume:
+
+`pvscan --cache --listlvs {{/dev/sdX}}`
+
+- Display detailed information in JSON format:
+
+`pvscan --reportformat json`