I can't create this partition, I'm getting this error shown below:
Device /dev/mapper/vg_paperino-lv_rootp1 not found (or ignored by filtering)
Below are the steps that I'm doing on CentOS:
[root@pippo ~]# fdisk /dev/mapper/vg_paperino-lv_root WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p Disk /dev/mapper/vg_paperino-lv_root: 18.8 GB, 18832424960 bytes 255 heads, 63 sectors/track, 2289 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xdb344dbe Device Boot Start End Blocks Id System /dev/mapper/vg_paperino-lv_rootp1 1 3 24066 83 Linux Command (m for help): q [root@pippo ~]# pvcreate /dev/mapper/vg_paperino-lv_rootp1 Device /dev/mapper/vg_paperino-lv_rootp1 not found (or ignored by filtering).