Hi,
> I hava a ubuntu 12.10 host with image mapped with rbd module. The
> problem is that when this host
> face a power failure all data on the mapped image is lost. If I unmap
> the image via the rbd unmap command, the data is preserved. I've
> noticed this problem also in version 0.56
Make sure you use a recent kernel (like latest 3.6.x or more recent).
I remember having RBD corruption and panics when I was using 3.2
series, but since I moved to recent RBD code, it never happenned
again.
Cheers,
Sylvain
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