Open Stack

That will depend on the Cinder/OS-brick iscsiadm versions right? Can you
tell what are the versions from where the problem was fixed?

Erlon

2018-02-07 8:27 GMT-02:00 Gorka Eguileor <geguileo at redhat.com>:

> On 07/02, Rikimaru Honjo wrote:
> > Hello,
> >
> > I'm planning to use cinder as glance store.
> > And, I'll setup cinder to connect storage by iSCSI multipath.
> >
> > In this case, can I run glance-api and cinder-volume on the same node?
> >
> > In my understanding, glance-api will attach a volume to own node and
> > write a uploaded image to the volume if glance backend is cinder.
> > I afraid that the race condition of cinder-volume's iSCSI operations
> > and glance-api's iSCSI operations.
> > Is there possibility of occurring it?
> > --
> > _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
> > Rikimaru Honjo
> > E-mail:honjo.rikimaru at po.ntt-tx.co.jp
> >
> >
> >
> > ____________________________________________________________
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> Hi,
>
> When properly set with the right configuration and the right system and
> OpenStack packages, Cinder, OS-Brick, and Nova no longer have race
> conditions with iSCSI operations anymore (single or multipathed), not
> even with drivers that do "shared target".
>
> So I would assume that Glance won't have any issues either as long as
> it's properly making the Cinder and OS-Brick calls.
>
> Cheers,
> Gorka.
>
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