>
> I bumped into an very interesting challenge, how to secure erase a rbd
> image data without any encryption?
>
> The motivation is to ensure that there is no information leak on OSDs
> after deleting a user specified rbd image, without the extra burden of
> using rbd encryption.
>
> any ideas, suggestions are highly appreciated,
>
what about something this? Maybe even via qemu-agent-command?
find /home -type f -exec shred -n 1 {} \;
Why are you not encrypting the osd? I thought that was the most efficient way
of using encryption.
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