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Hi Igor,

We can support extending a share without loss of connectivity, but we don’t support shrinking.

Thanks,
Xing


From: Jason Bishop [mailto:jason.bishop at gmail.com]
Sent: Thursday, May 21, 2015 8:14 PM
To: OpenStack Development Mailing List (not for usage questions)
Subject: Re: [openstack-dev] [Manila] Question to driver maintainers

Hi Igor, Hitachi SOP drive can support share extending online without disruption.

cheers
jason


On Mon, May 18, 2015 at 1:15 AM, Igor Malinovskiy <imalinovskiy at mirantis.com<mailto:imalinovskiy at mirantis.com>> wrote:

Hello, everyone!

My letter is mainly addressed to driver maintainers, but could be interesting to everybody.


As you probably know, on Kilo midcycle meetup we discussed share resize functionality (extend and shrink) and I already have implemented 'extend' API in Generic driver (https://review.openstack.org/182383/). After implementation review we

noticed that some backends are able to resize a share without causing disruptions, but others might only be able to do it disruptively (Generic driver case).


So I want to ask driver maintainers here:

Will your driver be able to do share extending without loss of connectivity?


Depending on your answers, we will handle this situation differently.


Best regards,

Igor Malinovskiy (IRC: u_glide)
Manila Core Team

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