Baremetal attach volume in Multi-tenancy

Sa Pham saphi070 at gmail.com
Mon May 13 11:06:04 UTC 2019


Dear Gorka,

Could you give me patch link on this work?

Thank you

On Mon, May 13, 2019 at 5:39 PM Gorka Eguileor <geguileo at redhat.com> wrote:

> 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.
> > > > >
> > >
>
>

-- 
Sa Pham Dang
Master Student - Soongsil University
Kakaotalk: sapd95
Skype: great_bn
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