Recovering a LUKS-Encrypted Ubuntu LVM Volume Group on Another System
I frequently mirror and swap internal hard drives using an external USB/eSATA docking station. However, this creates a tricky issue when mounting on another Ubuntu machine. During standard installation with LUKS + LVM encryption, Ubuntu names the root volume group ubuntu-vg. If you plug in a secondary drive where Ubuntu was also installed, LVM encounters a name conflict between the host’s volume group and the external disk’s volume group, preventing activation. ...