When you delete files they're not normally scrubbed from the disk, the
file system just forgets the deleted files are there. To fully remove
the data you need something like TRIM:
fstrim -v /the_file_system
Simon
On 07/08/2023 15:15, mahnoosh shahidi wrote:
Hi all,
I have an rbd image that `rbd disk-usage` shows it has 31GB usage but in
the filesystem `du` shows its usage is 40KB.
Does anyone know the reason for this difference?
Best Regards,
Mahnoosh
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