Thank you Yuan for the report 'What is cooking in master # 2013.8.9'.
About
> A new command is added to get the information of the cache usage
> usage:
> $ collie vdi cache info # Get the cache informatin of the node
Is it not yet merged in master (0.7.0_rc0_12_g2b526ef)?
# collie vdi cache info
Usage: collie vdi cache {flush|delete} [-s snapshot] [-a address] [-p
port] [-h] <vdiname>
...
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I remember about a future that Morita wrote about time ago (I can't
find the mail right now).
It was about freeing block not used anymore about the guest.
I.e. I write 10G of file on a vdi, them I remove them. The allocate
size of vdi do not change (like a qcow2 that grows but don't shrink).
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