I have logged onto my VM for the first time in a few weeks and my volumes do not contain any data. I can see on horizon they are still attached to my server.
Volume names:
JGDATA2 /dev/sdb on JG1
camila-data /dev/sdc on JG1
After rebooting your VM, did you re-mount the volumes? The attachment is a virtual way of saying that the volume “belongs” to the VM, like it was a disk plugged in the server.
After rebooting - if not specified in fstab - you also need to remount the volume like: