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Note that “allow_resize_to_same_host” doesn’t force it to stay on the same host, it only allows it to happen. It’s still up to the scheduler as to where it goes. Because we use shared storage at Overstock, we had to work around this by disabling all the hypervisors
except the one it’s on before doing a resize.
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<div class="">We also would love to see a way to prevent copying the disk when the size doesn’t change. It’s annoying when you just want to make a CPU or RAM change and have to wait for the disk copy. The other downside of resizing is that it changes your
nice, sparsely-provisioned copy-on-write disk image into a full size image divorced from the qcow source disk.
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Mike Smith<br class="">
Principal Engineer, Website Systems<br class="">
<a href="http://Overstock.com" class="">Overstock.com</a><br class="">
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<div class="">On Nov 26, 2014, at 10:21 AM, Juan José Pavlik Salles <<a href="mailto:jjpavlik@gmail.com" class="">jjpavlik@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">In Grizzly there's a flag "allow_resize_to_same_host=True" that at least shouldn't move the instance from one node to another, but it's not exactly what you want.
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<div class="gmail_quote">2014-11-26 12:30 GMT-03:00 Mathias Brito <span dir="ltr" class="">
<<a href="mailto:mathiasbrito@gmail.com" target="_blank" class="">mathiasbrito@gmail.com</a>></span>:<br class="">
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<div class="">Hello people,</div>
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Is there a away to avoid Openstack of making a copy of the VM when resizing it?<span class="HOEnZb"><font color="#888888" class="">
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<div class="">Mathias</div>
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-- <br class="">
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<div dir="ltr" class="">Pavlik Salles Juan José
<div class="">Blog - <a href="http://viviendolared.blogspot.com/" target="_blank" class="">
http://viviendolared.blogspot.com</a></div>
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