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Hi Valeriy,

I wasn’t aware, thanks!

So, if each driver exposes the storage_protocols it supports, would it be sensible to have
manila-ui check the extra_specs for this key and limit the protocol choice for a given
share type to the supported protocols (in order to avoid that the user tries to create
incompatible type/protocol combinations)?

Thanks again!
 Arne


On 02 Nov 2016, at 10:00, Valeriy Ponomaryov <vponomaryov at mirantis.com<mailto:vponomaryov at mirantis.com>> wrote:

Hello, Arne

Each share driver has capability called "storage_protocol". So, for case you describe, you should just define such extra spec in your share type that will match value reported by desired backend[s].

It is the purpose of extra specs in share types, you (as cloud admin) define its connection yourself, either it is strong or not.

Valeriy

On Wed, Nov 2, 2016 at 9:51 AM, Arne Wiebalck <Arne.Wiebalck at cern.ch<mailto:Arne.Wiebalck at cern.ch>> wrote:
Hi,

We’re preparing the use of Manila in production and noticed that there seems to be no strong connection
between share types and share protocols.

I would think that not all backends will support all protocols. If that’s true, wouldn’t it be sensible to establish
a stronger relation and have supported protocols defined per type, for instance as extra_specs (which, as one
example, could then be used by the Manila UI to limit the choice to supported protocols for a given share
type, rather than maintaining two independent and hard-coded tuples)?

Thanks!
 Arne

--
Arne Wiebalck
CERN IT

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Kind Regards
Valeriy Ponomaryov
www.mirantis.com<http://www.mirantis.com/>
vponomaryov at mirantis.com<mailto:vponomaryov at mirantis.com>
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Arne Wiebalck
CERN IT

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