devmapper: Thin Pool has 162394 free data blocks which is less than minimum required 163840 free data blocks

問題：

制作鏡像的時候報錯

devmapper: Thin Pool has 162394 free data blocks which is less than minimum required 163840 free data blocks. Create more free space in thin pool or use dm.min_free_space option to change behavior

 

解決方案：

 

運行下面三個命令： 
// 注意，以下三個命令執行時可能出錯是正常的。

清理exited進程：

docker rm $(docker ps -q -f status=exited)

清理dangling volumes：

docker volume rm $(docker volume ls -qf dangling=true)

 

清理dangling image：

docker rmi $(docker images --filter "dangling=true" -q --no-trunc)