Hello, I have a question about replacement of chunk server harddisk After successful rm-cs and replaced with new harddisk Then using following '/usr/libexec/pstorage/prepare_pstorage_drive /dev/sdc' to format the harddisk Now I have question. 1. How to join the new disk to existing Cluster? 2. Those existing disk also have UUID marked at fstab. How to generate it? Thanks!