[Xen-devel] Xen blktap driver for Ceph RBD : Anybody wants to test ? :p

[Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx>]

Hi,

I've been working on getting a working blktap driver allowing to
access ceph RBD block devices without relying on the RBD kernel driver
and it finally got to a point where, it works and is testable.

Some of the advantages are:
 - Easier to update to newer RBD version
 - Allows functionality only available in the userspace RBD library
(write cache, layering, ...)
 - Less issue when you have OSD as domU on the same dom0
 - Contains crash to user space :p (they shouldn't happen, but ...)

It's still an early prototype, but if you want to give it a shot and
give feedback.

You can find the code there https://github.com/smunaut/blktap/tree/rbd
 (rbd branch).

Currently the username, poolname and image name are hardcoded ...
(look for FIXME in the code). I'll get to that next, once I figured
the best format for arguments.

Cheers,

    Sylvain

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