[root@ecoll-v2-mysql-master-01 ~]# umount /home/ [root@ecoll-v2-mysql-master-01 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 12G 0 12G 0% /dev tmpfs 12G 0 12G 0% /dev/shm tmpfs 12G 20M 12G 1% /run tmpfs 12G 0 12G 0% /sys/fs/cgroup /dev/mapper/centos-root 50G 45G 5.6G 89% / /dev/sda1 1014M 181M 834M 18% /boot tmpfs 2.3G 0 2.3G 0% /run/user/0 [root@ecoll-v2-mysql-master-01 ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert home centos -wi-a----- 961.49g root centos -wi-ao---- 50.00g swap centos -wi-ao---- 11.50g [root@ecoll-v2-mysql-master-01 ~]# lvremove /dev/centos/home Do you really want to remove active logical volume centos/home? [y/n]: y Logical volume "home" successfully removed [root@ecoll-v2-mysql-master-01 ~]# lvextend -L+930GB /dev/centos/root Size of logical volume centos/root changed from 50.00 GiB (12800 extents) to 980.00 GiB (250880 extents). Logical volume centos/root successfully resized. [root@ecoll-v2-mysql-master-01 ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root centos -wi-ao---- 980.00g swap centos -wi-ao---- 11.50g [root@ecoll-v2-mysql-master-01 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 12G 0 12G 0% /dev tmpfs 12G 0 12G 0% /dev/shm tmpfs 12G 20M 12G 1% /run tmpfs 12G 0 12G 0% /sys/fs/cgroup /dev/mapper/centos-root 50G 45G 5.6G 89% / /dev/sda1 1014M 181M 834M 18% /boot tmpfs 2.3G 0 2.3G 0% /run/user/0 [root@ecoll-v2-mysql-master-01 ~]# lvs^C [root@ecoll-v2-mysql-master-01 ~]# xfs_growfs /dev/mapper/centos-root meta-data=/dev/mapper/centos-root isize=512 agcount=4, agsize=3276800 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0 data = bsize=4096 blocks=13107200, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0 ftype=1 log =internal bsize=4096 blocks=6400, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 data blocks changed from 13107200 to 256901120 [root@ecoll-v2-mysql-master-01 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 12G 0 12G 0% /dev tmpfs 12G 0 12G 0% /dev/shm tmpfs 12G 20M 12G 1% /run tmpfs 12G 0 12G 0% /sys/fs/cgroup /dev/mapper/centos-root 980G 45G 936G 5% / /dev/sda1 1014M 181M 834M 18% /boot tmpfs 2.3G 0 2.3G 0% /run/user/0 [root@ecoll-v2-mysql-master-01 ~]# lvcreate lvs No command with matching syntax recognised. Run 'lvcreate --help' for more information. [root@ecoll-v2-mysql-master-01 ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root centos -wi-ao---- 980.00g swap centos -wi-ao---- 11.50g [root@ecoll-v2-mysql-master-01 ~]# lvcreate -n home -L 20G centos Logical volume "home" created. [root@ecoll-v2-mysql-master-01 ~]# lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert home centos -wi-a----- 20.00g root centos -wi-ao---- 980.00g swap centos -wi-ao---- 11.50g [root@ecoll-v2-mysql-master-01 ~]# mkfs.ext /dev/centos/home -bash: mkfs.ext: command not found [root@ecoll-v2-mysql-master-01 ~]# mkfs.ext4 /dev/centos/home mke2fs 1.42.9 (28-Dec-2013) Discarding device blocks: done Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 1310720 inodes, 5242880 blocks 262144 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=2153775104 160 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done [root@ecoll-v2-mysql-master-01 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 12G 0 12G 0% /dev tmpfs 12G 0 12G 0% /dev/shm tmpfs 12G 20M 12G 1% /run tmpfs 12G 0 12G 0% /sys/fs/cgroup /dev/mapper/centos-root 980G 45G 936G 5% / /dev/sda1 1014M 181M 834M 18% /boot tmpfs 2.3G 0 2.3G 0% /run/user/0 tmpfs 2.3G 0 2.3G 0% /run/user/1004 [root@ecoll-v2-mysql-master-01 ~]# mount /dev/centos/home /home/ [root@ecoll-v2-mysql-master-01 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 12G 0 12G 0% /dev tmpfs 12G 0 12G 0% /dev/shm tmpfs 12G 20M 12G 1% /run tmpfs 12G 0 12G 0% /sys/fs/cgroup /dev/mapper/centos-root 980G 45G 936G 5% / /dev/sda1 1014M 181M 834M 18% /boot tmpfs 2.3G 0 2.3G 0% /run/user/0 tmpfs 2.3G 0 2.3G 0% /run/user/1004 /dev/mapper/centos-home 20G 45M 19G 1% /home [root@ecoll-v2-mysql-master-01 ~]# logout