HowTo Resize The "root" File System Using LVM
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Overview
This page demonstrates how to resize the root file system by increasing it's size by 2GB using theLogical Volume Manager (LVM). The follow environment exists:
[root@nst22 ~]# ssm list; ----------------------------------------------------------- Device Free Used Total Pool Mount point ----------------------------------------------------------- /dev/sda 20.00 GB PARTITIONED /dev/sda1 500.00 MB /boot /dev/sda2 0.00 KB 19.51 GB 19.51 GB nst22 ----------------------------------------------------------- ------------------------------------------------- Pool Type Devices Free Used Total ------------------------------------------------- nst22 lvm 2 2.00 GB 19.51 GB 21.50 GB ------------------------------------------------- ------------------------------------------------------------------------------------ Volume Pool Volume size FS FS size Free Type Mount point ------------------------------------------------------------------------------------ /dev/nst22/root nst22 17.51 GB xfs 17.50 GB 5.88 GB linear / /dev/nst22/swap nst22 2.00 GB linear /dev/sda1 500.00 MB ext4 500.00 MB 288.89 MB part /boot ------------------------------------------------------------------------------------
- The root file sytem is of type xfs
[root@nst22 ~]# mount | grep root; /dev/mapper/nst22-root on / type xfs (rw,relatime,attr2,inode64,noquota)
- The root file system is under LVM control: