Baremetal attach volume in Multi-tenancy

Gorka Eguileor geguileo at redhat.com
Mon May 13 11:14:26 UTC 2019


On 13/05, Sa Pham wrote:
> Dear Gorka,
>
> Could you give me patch link on this work?
>
> Thank you

Hi,

You can see an update on the subject on the PTG's etherpad [1] starting
on line 119 until line 139.  There's a video [2] of a previous
discussion topic and this one.

Cheers,
Gorka.


[1]: https://etherpad.openstack.org/p/cinder-train-ptg-planning
[2]: https://www.youtube.com/watch?v=N6D6ib7T9Io&feature=em-lbcastemail


>
> 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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