Baremetal attach volume in Multi-tenancy

Gorka Eguileor geguileo at redhat.com
Mon May 13 08:38:57 UTC 2019


On 13/05, zack chen wrote:
> Hi,
>
> Thanks for your reply.
> I saw that ceph already has the Iscsi Gateway. Does the cinder project have
> such a driver?
>

Hi,

There is an ongoing effort to write a new RBD driver specific for iSCSI,
but it is not available yet.

Cheers,
Gorka.

> Gorka Eguileor <geguileo at redhat.com> 于2019年5月10日周五 下午6:39写道:
>
> > On 10/05, zack chen wrote:
> > > This is a normal Cinder in Openstack deployment
> > >
> > > I'm using ceph as cinder backend, RBD drvier.
> > >
> >
> > Hi,
> >
> > If you are using a Ceph/RBD cluster then there are some things to take
> > into consideration:
> >
> > - You need to have the ceph-common package installed in the system.
> >
> > - The images are mounted using the kernel module, so you have to be
> >   careful with the features that are enabled in the images.
> >
> > - If I'm not mistaken the RBD attach using the cinderclient extension
> >   will fail if you don't have the configuration and credentials file
> >   already in the system.
> >
> >
> > > My ideas the instance should communicate with Openstack platform storage
> > > network via the vrouter provided by neutron. The vrouter gateway should
> > > communicate with Openstack platform. is or right?
> > >
> >
> > I can't help you on the network side, since I don't know anything about
> > Neutron.
> >
> > Cheers,
> > Gorka.
> >
> > > Gorka Eguileor <geguileo at redhat.com> 于2019年5月9日周四 下午5:28写道:
> > >
> > > > On 08/05, zack chen wrote:
> > > > > Hi,
> > > > > I am looking for a mechanism that can be used for baremetal attach
> > volume
> > > > > in a multi-tenant scenario. In addition we use ceph as the backend
> > > > storage
> > > > > for cinder.
> > > > >
> > > > > Can anybody give me some advice?
> > > >
> > > > Hi,
> > > >
> > > > Is this a stand alone Cinder deployment or a normal Cinder in OpenStack
> > > > deployment?
> > > >
> > > > What storage backend will you be using?
> > > >
> > > > What storage protocol? iSCSI, FC, RBD...?
> > > >
> > > > Depending on these you can go with Walter's suggestion of using
> > > > cinderclient and its extension (which in general is the best way to
> > go),
> > > > or you may prefer writing a small python script that uses OS-Brick and
> > > > makes the REST API calls directly.
> > > >
> > > > Cheers,
> > > > Gorka.
> > > >
> >



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