On 05/24/2018 07:58 PM, Rares Vernica wrote: > 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 >
yes. With overlay2 as default if you don't give it any other options all the container disk usage will go in the root filesystem > What is the recommended way to grow the space available on root? You can use `lvresize` for this. Please look at the man page [1] first but something like this should work: lvresize cah_b/root --resizefs --size=+30G Dusty [1] https://linux.die.net/man/8/lvresize
