An RBD image is split up into (by default 4MB) objects within the OSDs.  When 
you delete an RBD image, all the objects associated with the image are removed 
from the OSDs.  The objects are not securely erased from the OSDs if that is 
what you are asking.

-- 

Jason Dillaman 
Red Hat 
[email protected] 
http://www.redhat.com 


----- Original Message ----- 
From: "Giuseppe Civitella" <[email protected]> 
To: "ceph-users" <[email protected]> 
Sent: Tuesday, March 3, 2015 11:36:46 AM 
Subject: [ceph-users] Rbd image's data deletion 

Hi all, 

what happens to data contained in an rbd image when the image itself gets 
deleted? 
Are the data just unlinked or are them destroyed in a way that make them 
unreadable? 

thanks 
Giuseppe 

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