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--- knowledge_base:linux:docker:clone-volume [2022/05/31 21:19] – angelegt julian.lemmerich
+++ knowledge_base:linux:docker:clone-volume [2022/06/11 14:35] (aktuell) – copy over and translate to english julian.lemmerich
@@ Zeile 1: / Zeile 1: @@
-====== Clone Volume ======
+====== Cloning a Volume ======
-https://www.laub-home.de/wiki/Docker_Volume_Rename_-_HowTo
+Angelehnt an [https://www.laub-home.de/wiki/Docker_Volume_Rename_-_HowTo|Andread Laub] (in German).
+The current ''docker volume''-command has no ''rename'' option. This article shows how you can circumvent this restriction to rename a volume anyway. More correctly it copies the contents from one volume to new, correctly named volume and then deletes the old.
+Copy the clone-docker-volumes script from alaub's Github.
+<code bash>
+wget https://raw.githubusercontent.com/alaub81/scripts/master/clone-docker-volumes.sh
+chmod +x clone-docker-volumes.sh
+</code>
+this command shows current volumes
+<code bash>
+docker volume ls
+# creates Volume_NEW and copies Volume_OLD to Volume_NEW
+clone-docker-volumes.sh volume_OLD volume_NEW
+</code>
+Cleaning up afterwards:
+First command shows all volumes that are not assigned to a container.
+<code>
+docker volume ls -f dangling=true
+docker volume rm volume_ALT
+</code>
+Done!

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