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Oracle Linux: Boot Volume Resize in OCI Does Not Reflect Increased Size in the OS
in Linux
Applies To:
Oracle Linux 7, 8, and 9
Oracle Cloud Infrastructure
Symptoms:
After increasing the boot volume size in OCI, the instance still shows the old disk capacity.
Example:
OCI displays the boot volume as 100 GB, but the OS command 'df -h' shows only around 45 GB total.
The lsblk or fdisk -l command confirms that /dev/sda3 (the main LVM partition) has grown to ~98.9 GB.
The pvs command shows that the LVM Physical Volume still uses only 45.5 GB.
Cause:
When the OCI boot volume is resized, the disk partition (e.g., /dev/sda3) grows, but the LVM Physical Volume (PV) inside it does not automatically expand. As a result, the Logical Volume (LV) and the filesystem do not recognize the new available space.
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