I have two containers
- containerA : with ext4 filesystem mounted on
/dev/sdafrom the host
mount /dev/sda /volumes/v1; docker run --name containerA -v /volumes/v1:/v1 ubuntu /bin/bash -c "sleep 3600"
- containerB : with
docker run ---privileged --device /dev/sda ubuntu
- I’m trying to resize the filesystem via containerB, but unable to do so due to an EBUSY error.
docker run --privileged=true --rm --name containerB --device /dev/sda ubuntu resize2fs /dev/sda resize2fs 1.42.13 (17-May-2015) resize2fs: Device or resource busy while trying to open /dev/sda Couldn't find valid filesystem superblock.
Any suggestions on what is going wrong and if/how I can get the resize2fs to work?