[openstack-dev] [Manila] nfs-over-vsock (was: Concurrent execution of drivers)

Ben Swartzlander ben at swartzlander.org
Mon Mar 7 04:04:38 UTC 2016


On 03/05/2016 05:34 AM, Shinobu Kinjo wrote:
> Are we still going to think of nfs-over-vsock?
> Never mind. It's just coming from my curiosity.

A lot of work outside Manila has to happen before we can actually 
deliver that feature in OpenStack. If you google about nfs over vsock 
you can learn about the current state of things. It's going to be a 
while before nfs over vsock is implemented and it's going to even longer 
before that support is shipping on plaforms where people run OpenStack. 
I'm very optimistic, but we need to be patient.

-Ben


> Cheers,
> S
>
> On Fri, Mar 4, 2016 at 11:08 PM, Valeriy Ponomaryov
> <vponomaryov at mirantis.com> wrote:
>>> Thanks - so if I understand you correctly, each share instance is
>>> uniquely associated with a single instance of the driver at one time,
>>> right?  So while I might have two concurrent calls to ensure_share,
>>> they are guaranteed to be for different shares?
>>
>> Yes.
>>
>>> Is this true for the whole driver interface?
>>
>> Yes.
>>
>>>
>>> Two instances of the
>>> driver will never both be asked to do operations on the same share at
>>> the same time?
>>
>>
>> Yes.
>>
>> Each instance of a driver will have its own unique list of shares to be
>> 'ensure'd.
>>
>> --
>> Kind Regards
>> Valeriy Ponomaryov
>> www.mirantis.com
>> vponomaryov at mirantis.com
>>
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>




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