Hi John,
> Otherwise you can move to multibackend but you will need to update the > hosts column on your existing volumes. For above statement, did you mean a unique backend on separate volume nodes ? Will there be any issues, if the enabled_backends are used with each backend tied to particular volume type. Now this configuration is repeated for all volume nodes. Do we need to be concerned about the host entry ? Regards, Amit *CloudByte Inc.* <http://www.cloudbyte.com/> On Mon, Jan 19, 2015 at 4:14 AM, John Griffith <[email protected]> wrote: > > On Jan 16, 2015 9:03 PM, "mad Engineer" <[email protected]> wrote: > > > > Hello All, > > i am working on integrating VNX with cinder,i have plan > > to add another NFS storage in the future,without removing VNX. > > > > Can i add another backend while first backend is running without > > causing problem to running volumes. > > I heard that multiple backend is supported, > > > > thanks for any help > > > > _______________________________________________ > > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > Post to : [email protected] > > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > So as long as you used the "enabled backend" format in your existing > config you "should" be able to just add another backend without impacting > your existing setup (I've never tried this with NFS/VNX myself though). > > If you're not using the enabled backends directive you can deploy a new > cinder - volume node and just add your new driver that way. > > Otherwise you can move to multibackend but you will need to update the > hosts column on your existing volumes. > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > >
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