> For the complete documentation index, see [llms.txt](https://docs.cloudeka.id/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cloudeka.id/deka_flexi/deka_volume_block_storage/formatting-a-disk.md).

# Formatting a Disk

After you create and attach the new disk to a VM, you must format and mount the disk, so that the operating system can use the available storage space.