Red Hat

Resizing Linux Partitions Live Without Data Loss

Need more space on a Linux partition but can't afford downtime or data loss? You can resize a static partition live — without unmounting it — by deleting and recreating the partition with a larger size, then resizing the filesystem. It sounds dangerous, but it's a well-established technique. This guide walks through it step by step on RHEL 8. What you'll learn * Creating and mounting a static partition with fdisk * Scaling up a partition live (without unmounting) * Using resize2fs t