LVM (Logical Volume Manager) is a core component in Linux for flexible disk space management. In Ubuntu, LVM is integrated into the default installation, enabling dynamic resizing, creation, or deletion of logical volumes without reformatting physical disks. It also enhances data resilience—spreadin...
Add a new physical disk to the system. The system should detect it as /dev/sdb. Create a physical volume (PV) from the new disk: pvcreate /dev/sdb Verify the PV was created: pvs Display detailed PV information: pvdisplay Extand the existing volume group (VG) by adding the new PV: vgextend vg_templat...
To begin, examine the current disk configurasion using fdisk -l. This command lists all available disks and their partitions. For example, you might see output similar to: Disk /dev/sdb: 500 GB, 500000000000 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 822528...
Automating LVM Expansion for System Partitions Using Cloud-Init Configuration Cloud-init is a widely used tool for initializing cloud instances, enabling automated configuration of system settings during boot. This article demonstrates how to configure cloud-init to automatically expand a system par...