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Knowledge Base & Operational DocumentationWhy Does a Linux Server Show the Wrong Disk Size After Expansion?
A cloud volume or virtual disk can be enlarged while the partition or filesystem remains at its previous size. The operating system may detect the larger device but applications still see limited free space.
What to check
Compare provider volume size, kernel device size, partition table, logical volume, and filesystem capacity. Check storage and filesystem logs and verify backups before resizing structures.
Recommended next step
Follow the platform-specific expansion order for partition, volume manager, and filesystem. Confirm the new capacity with read-only checks before resuming high-write workloads.
How Informatix Systems can help
Informatix Systems provides Linux server storage administration services. We can review the system, trace dependencies, and help plan a practical fix. Contact us with the platform involved, when the issue began, and non-sensitive error details.