On 5/12/20 1:54 PM, Paul Emmerich wrote:
> And many hypervisors will turn writing zeroes into an unmap/trim (qemu
> detect-zeroes=unmap), so running trim on the entire empty disk is often the
> same as writing zeroes.
> So +1 for encryption being the proper way here
>
+1
And to add to this: No, a newly created RBD image will never have 'left
over' bits and bytes from a previous RBD image.
I had to explain this multiple times to people which were used to old
(i)SCSI setups where partitions could have leftover data from a
previously created LUN.
With RBD this won't happen.
Wido
>
> Paul
>
_______________________________________________
ceph-users mailing list -- [email protected]
To unsubscribe send an email to [email protected]
