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<div>Hi, Igor. The NetApp cDOT driver can handle share extend/shrink without disruption.</div>
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<div>Clinton</div>
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<span style="font-weight:bold">From: </span>Igor Malinovskiy <<a href="mailto:imalinovskiy@mirantis.com">imalinovskiy@mirantis.com</a>><br>
<span style="font-weight:bold">Reply-To: </span>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<span style="font-weight:bold">Date: </span>Monday, May 18, 2015 at 4:15 AM<br>
<span style="font-weight:bold">To: </span>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<span style="font-weight:bold">Subject: </span>[openstack-dev] [Manila] Question to driver maintainers<br>
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<div dir="ltr"><span id="docs-internal-guid-4cd7b8d2-6615-8b10-f7b0-86a3ddb02e83">
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Hello, everyone!</span></p>
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">My letter is mainly addressed to driver maintainers,
but could be interesting to everybody.</span></p>
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<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">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 (<a href="https://review.openstack.org/182383/">https://review.openstack.org/182383/</a>). After implementation review we
</span></p>
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">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).</span></p>
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<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">So I want to ask driver maintainers here:</span></p>
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);font-weight:bold;vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Will your driver be able to do
share extending without loss of connectivity?</span></p>
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<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Depending on your answers, we will handle this situation
differently.</span></p>
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<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Best regards,</span></p>
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Igor Malinovskiy (IRC: u_glide)</span></p>
<span style="font-size:15px;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:transparent">Manila Core Team</span></span><br>
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