<div dir="ltr">Hello Igor,<div>share extending works without interruption in Quobyte storage.</div><div>Best regards</div><div>Silvan</div><div><br><div class="gmail_extra"><br><div class="gmail_quote">2015-05-18 10:15 GMT+02:00 Igor Malinovskiy <span dir="ltr"><<a href="mailto:imalinovskiy@mirantis.com" target="_blank">imalinovskiy@mirantis.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span><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><br><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/" target="_blank">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><br><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><br><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><br><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></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div class="gmail_signature"><div dir="ltr"><div><div><span style="color:rgb(0,0,0);font-size:small">Dr. Silvan Kaiser</span></div><div dir="ltr"><span style="color:rgb(0,0,0);font-size:small">Quobyte GmbH</span><br style="color:rgb(0,0,0);font-size:small"><span style="color:rgb(0,0,0);font-size:small">Boyenstr. 41 - 10115 Berlin-Mitte - Germany</span><br style="color:rgb(0,0,0);font-size:small"><span style="color:rgb(0,0,0);font-size:small">+49-30-814 591 800 - </span><a href="http://www.quobyte.com/" style="color:rgb(17,85,204);text-decoration:none;font-size:small" target="_blank">www.quobyte.com</a><span style="color:rgb(0,0,0);font-size:small"><</span><a href="http://www.quobyte.com/" style="color:rgb(17,85,204);text-decoration:none;font-size:small" target="_blank">http://www.quobyte.com/</a><span style="color:rgb(0,0,0);font-size:small">></span><br style="color:rgb(0,0,0);font-size:small"><span style="color:rgb(0,0,0);font-size:small">Amtsgericht Berlin-Charlottenburg, HRB 149012B</span><br style="color:rgb(0,0,0);font-size:small"><span style="color:rgb(0,0,0);font-size:small">Management board: Dr. Felix Hupfeld, Dr. Björn Kolbeck, Dr. Jan Stender</span><br></div></div></div></div></div></div>
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<font face="Arial" style="font-family:Arial,Helvetica,sans-serif"><div><font face="Arial"><br><font size="2">--</font></font></div><font size="2"><font color="#808080"><b>Quobyte</b> </font><font color="#808080">GmbH<br>Hardenbergplatz 2 - 10623 Berlin - Germany<br></font></font></font><font color="#808080"><font face="Arial" size="2"><font face="Arial, Helvetica, sans-serif">+49-30-</font>814 591 800 <font face="Arial, Helvetica, sans-serif">- </font><a href="http://www.quobyte.com/" style="font-family:Arial,Helvetica,sans-serif" target="_blank">www.quobyte.com</a></font></font><div style="font-family:Arial,Helvetica,sans-serif"><font size="2"><font face="Arial" color="#808080">Amtsgericht Berlin-Charlottenburg, HRB 149012B<br>management board: Dr. Felix Hupfeld, Dr. Björn Kolbeck, Dr. Jan Stender</font></font></div>