The recent disk management utility in the Fedora/RHEL installers are a bit challenging. Since I don't know why things had changed, I won't bother commenting. But, I don't find them nearly as easy/convenient as before.... Anyhow...
I installed a 500GB SSD in my Intel NUC to build up as a "NAS" host (NFS and iSCSI). The OS will take around 20GB, then SWAP, /boot.. whatever. So, I wanted the remainder of the disk to be in it's own VG
[root@rhel7-nas registry]# parted -l | grep Disk
Disk /dev/sda: 480GB
Disk Flags:
Disk /dev/mapper/vg_exports-lv_registry: 21.5GB
Disk Flags:
Disk /dev/mapper/rhel7--nas-home: 1074MB
Disk Flags:
Disk /dev/mapper/rhel7--nas-swap: 8389MB
Disk Flags:
Disk /dev/mapper/rhel7--nas-root: 32.2GB
Disk Flags:
[root@rhel7-nas ~]# parted -s /dev/sda print free
Model: ATA INTEL SSDSC2BP48 (scsi)
Disk /dev/sda: 480GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 1049kB 1031kB Free Space
1 1049kB 211MB 210MB fat16 EFI System Partition boot
2 211MB 735MB 524MB xfs
3 735MB 42.4GB 41.7GB lvm
42.4GB 480GB 438GB Free Space
[root@rhel7-nas ~]# parted -s /dev/sda mkpart pri ext3 42.4GB 100% set 4 lvm on
[root@rhel7-nas registry]# parted /dev/sda print free
Model: ATA INTEL SSDSC2BP48 (scsi)
Disk /dev/sda: 480GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 1049kB 1031kB Free Space
1 1049kB 211MB 210MB fat16 EFI System Partition boot
2 211MB 735MB 524MB xfs
3 735MB 42.4GB 41.7GB lvm
4 42.4GB 480GB 438GB pri lvm
480GB 480GB 860kB Free Space
[root@rhel7-nas ~]# partprobe /dev/sda
[root@rhel7-nas ~]# ls -l /dev/sda*
brw-rw----. 1 root disk 8, 0 Dec 15 18:53 /dev/sda
brw-rw----. 1 root disk 8, 1 Dec 15 18:53 /dev/sda1
brw-rw----. 1 root disk 8, 2 Dec 15 18:53 /dev/sda2
brw-rw----. 1 root disk 8, 3 Dec 15 18:53 /dev/sda3
brw-rw----. 1 root disk 8, 4 Dec 15 18:53 /dev/sda4
I installed a 500GB SSD in my Intel NUC to build up as a "NAS" host (NFS and iSCSI). The OS will take around 20GB, then SWAP, /boot.. whatever. So, I wanted the remainder of the disk to be in it's own VG
[root@rhel7-nas registry]# parted -l | grep Disk
Disk /dev/sda: 480GB
Disk Flags:
Disk /dev/mapper/vg_exports-lv_registry: 21.5GB
Disk Flags:
Disk /dev/mapper/rhel7--nas-home: 1074MB
Disk Flags:
Disk /dev/mapper/rhel7--nas-swap: 8389MB
Disk Flags:
Disk /dev/mapper/rhel7--nas-root: 32.2GB
Disk Flags:
[root@rhel7-nas ~]# parted -s /dev/sda print free
Model: ATA INTEL SSDSC2BP48 (scsi)
Disk /dev/sda: 480GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 1049kB 1031kB Free Space
1 1049kB 211MB 210MB fat16 EFI System Partition boot
2 211MB 735MB 524MB xfs
3 735MB 42.4GB 41.7GB lvm
42.4GB 480GB 438GB Free Space
[root@rhel7-nas ~]# parted -s /dev/sda mkpart pri ext3 42.4GB 100% set 4 lvm on
[root@rhel7-nas registry]# parted /dev/sda print free
Model: ATA INTEL SSDSC2BP48 (scsi)
Disk /dev/sda: 480GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 1049kB 1031kB Free Space
1 1049kB 211MB 210MB fat16 EFI System Partition boot
2 211MB 735MB 524MB xfs
3 735MB 42.4GB 41.7GB lvm
4 42.4GB 480GB 438GB pri lvm
480GB 480GB 860kB Free Space
[root@rhel7-nas ~]# partprobe /dev/sda
[root@rhel7-nas ~]# ls -l /dev/sda*
brw-rw----. 1 root disk 8, 0 Dec 15 18:53 /dev/sda
brw-rw----. 1 root disk 8, 1 Dec 15 18:53 /dev/sda1
brw-rw----. 1 root disk 8, 2 Dec 15 18:53 /dev/sda2
brw-rw----. 1 root disk 8, 3 Dec 15 18:53 /dev/sda3
brw-rw----. 1 root disk 8, 4 Dec 15 18:53 /dev/sda4
[root@rhel7-nas ~]# pvcreate /dev/sda4
Physical volume "/dev/sda4" successfully created
[root@rhel7-nas ~]# vgcreate vg_exports /dev/sda4
Volume group "vg_exports" successfully created
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