Here are the outputs you requested: #pvs PV VG Fmt Attr PSize PFree /dev/sda2 centos lvm2 a-- <499.51g 64.00m fdisk -l Disk /dev/sdb: 171.8 GB, 171798691840 bytes, 335544320 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0xc399cc6e Device Boot Start End Blocks Id System /dev/sdb3 2048 335544319 167771136 83 Linux Disk /dev/sda: 536.9 GB, 536870912000 bytes, 1048576000 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0x0009f8c2 Device Boot Start End Blocks Id System /dev/sda1 * 2048 1026047 512000 83 Linux /dev/sda2 1026048 1048575999 523774976 8e Linux LVM Disk /dev/mapper/centos-root: 53.7 GB, 53687091200 bytes, 104857600 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/centos-swap: 6308 MB, 6308233216 bytes, 12320768 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/centos-home: 476.3 GB, 476279996416 bytes, 930234368 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes I think that sdb3 was assigned when I first ran fdisk and it was partitioned after I presented the new disk. Thank you! ... View more