On Thu, Aug 2, 2012 at 10:21 AM, Vishvananda Ishaya <[email protected]> wrote: > You will likely have to write a nova-volume/cinder backend to talk to the > dell SAN directly. You could probably base it on the HP lefthand san code > and get something working pretty quickly: > > > https://github.com/openstack/nova/blob/master/nova/volume/san.py > > Vish > > On Aug 2, 2012, at 2:31 AM, Bilel Msekni <[email protected]> wrote: > > Hi all, > I have a question relating to nova-volume, and provisioning block devices as > storage for VMs. As I understand it from the documentation, nova-volume will > take a block device with LVM on it, and then become an iSCSI target to share > the logical volumes to compute nodes. I also understand that there is > another process for using an HP lefthand SAN or solaris iSCSI setup, whereby > nova-volume can interact with APIs for volume creation on the SAN itself. > > I have a dell iSCSI SAN, and I can see that I'd be able to mount a LUN from > the SAN on my nova-volume node, then go through the documented process of > creating an LVM on this LUN and having nova-volume re-share it over iSCSI to > the compute nodes, but what I'm wondering is whether I can have the compute > nodes simple connect to the iSCSI SAN to access these volumes (which would > be created and managed by nova-volume still), rather than connect each > compute node to the iSCSI target which nova-volume presents? I imagine with > this setup, I could take advantage of the SAN's HA and performance benefits. > > Hope that makes sense.. > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
Bilel, If you need some help with this let me know. I'll be back from vacation tomorrow and can point a few things out to you if needed. John _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp

