[Xen-API] Alternative to Vastsky?

[Tim Titley <tim@xxxxxxxxxx>]

Has anyone considered a replacement for the vastsky storage backend now 
that the project is officially dead (at least for now)?
I have been looking at Ceph ( http://ceph.newdream.net/ ). A suggestion 
to someone so inclined to do something about it, may be to use the Rados 
block device (RBD) and put an LVM storage group on it, which would 
require modification of the current LVM storage manager code - I assume 
similar to LVMOISCSI.
This would provide scalable, redundant storage at what I assume would be 
reasonable performance since the data can be striped across many storage 
nodes.
Development seems reasonably active and although the project is not 
officially production quality yet, it is part of the Linux kernel which 
looks promising, as does the news that they will be providing commercial 
support.
The only downside is that RBD requires a 2.6.37 kernel. For those "in 
the know" - how long will it be before this kernel makes it to XCP - 
considering that this vanilla kernel supposedly works in dom0 (I have 
yet to get it working)?
Any thoughts?

Regards,

Tim

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