Hi,
Not sure if this is a good/valid question.
I have deployed a lot of VMs in a ceph cluster that were cloned from an
original rbd image.
I want to see how much of the original image is a new VM (cloned image)
using. Is there any command to get such details?
==================
$ rbd info cvm/f6d058e73ab4a0e1262b3140731b4980-1
rbd image 'f6d058e73ab4a0e1262b3140731b4980-1':
size 61440 MB in 15360 objects
order 22 (4096 kB objects)
block_name_prefix: rbd_data.a2f03d1b58ba
format: 2
features: layering
flags:
create_timestamp: Fri Oct 6 19:20:53 2017
parent:
ostemplates/windows-81-x64-20171004@snap_windows-81-x64-20171004
overlap: 50000 MB
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