Hello,
I have a recently installed Atomic CentOS bare-metal server. I have about 3TB of physical disk available on it:
# pvdisplay
--- Physical volume ---
PV Name /dev/sda2
VG Name cah_b
PV Size <931.22 GiB / not usable 4.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 238391
Free PE 189058
Allocated PE 49333
PV UUID pkZPnK-eSj2-1KQD-nFMf-X7Wn-F0hm-A20ESN
--- Physical volume ---
PV Name /dev/sdb1
VG Name cah_b
PV Size 931.51 GiB / not usable 4.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 238466
Free PE 0
Allocated PE 238466
PV UUID uPNaDO-MfpL-gyKw-q5pz-BBMR-2SLx-jGXK9r
--- Physical volume ---
PV Name /dev/sdc1
VG Name cah_b
PV Size 931.51 GiB / not usable 4.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 238466
Free PE 238466
Allocated PE 0
PV UUID A4J2or-ly4m-OFVY-VBpl-I28h-qioF-i0CXcI
With the default installation, I just started Cockpit and Docker Registry and ran out of disk space on root:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/cah_b-root 3.0G 3.0G 1.6M 100% /
devtmpfs 16G 0 16G 0% /dev
tmpfs 16G 0 16G 0% /dev/shm
tmpfs 16G 1.2M 16G 1% /run
tmpfs 16G 0 16G 0% /sys/fs/cgroup
/dev/sda1 297M 167M 130M 57% /boot
tmpfs 3.2G 0 3.2G 0% /run/user/0