Hi Nicolas, have you seen this? https://github.com/StackOps/nova/blob/master/nova/volume/san.py
It has a Solaris implementation that works on top ZFS. And it works. We modified it work with Nexenta in Diablo: https://github.com/StackOps/nova/blob/stable/diablo/nova/volume/san.py Cheers Diego -- Diego Parrilla <http://www.stackops.com/>*CEO* *www.stackops.com | * diego.parri...@stackops.com** | +34 649 94 43 29 | skype:diegoparrilla* * <http://www.stackops.com/> * * On Sun, Jun 10, 2012 at 8:07 PM, Nicolas de BONFILS < openst...@nicolas2bonfils.com> wrote: > ** > > Hi Diego, > > Thanks for your ideas about vm storage. > In my proposal/question, I got in mind (for now) volume more than vm > storage (with the zfs property allowing nfs sharing, I believe that vm > storage can already be done with zfs backend). > > --- Nicolas > > On 2012-06-10 17:58, Diego Parrilla Santamaría wrote: > > Nicolas, > it makes a lot of sense what you want to do. ZFS+iSCSI is a perfect fit > for vm storage, some other IaaS solutions already use this combination (and > I have developed some). Keep in mind that Nexenta is only a distro based > upon OpenSolaris: OpenIndiana, FreeBSD... there are a lot of options with > ZFS. > There are several things you should consider to implement this feature: > 1) The code that matters is mostly in nova/virt/libvirt/connection.py for > libvirt > 2) You need to implement a new storage type: iscsi ( > http://libvirt.org/storage.html#StorageBackendISCSI) > 3) You need to implement a feature to block-copy the source image to the > backend iscsi storage > 4) _cache_image method and most of _create_image should be developed > thinking in 3) > I think the only reason to implement this feature is to develop a highly > scalable storage system for instances, so a single storage system does not > make sense. It should be able to manage a list storage systems as a pool > and load balance them. > Some quick thoughts, good luck! > Diego > > -- > Diego Parrilla > *CEO* > *www.stackops.com | * diego.parri...@stackops.com** | +34 649 94 43 29 | > skype:diegoparrilla* > * <http://www.stackops.com/> > > ** > > > >
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