2013/5/1 Yudong Guang <[email protected]>:
> The reason why I like block device is that it has the best reading
> performance. But not being able to be shared is a fatal drawback here. Maybe
> I should change some strategy or tuning the ceph fs. My goal is to use a
> cluster to host a lot of small images, each of which is about 17KB.

I think that you should use a clustered filesystem on top of a common
RBD device.
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