<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif;"><div>Thanks Mike , </div><div>Thanks for sharing </div><div>VM</div><div><br></div><span id="OLK_SRC_BODY_SECTION"><div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style="font-weight:bold">From: </span> Mike Smith <<a href="mailto:mismith@overstock.com">mismith@overstock.com</a>><br><span style="font-weight:bold">Date: </span> Saturday, 10 December 2016 at 08:22<br><span style="font-weight:bold">To: </span> Vahric Muhtaryan <<a href="mailto:vahric@doruk.net.tr">vahric@doruk.net.tr</a>><br><span style="font-weight:bold">Cc: </span> David Medberry <<a href="mailto:openstack@medberry.net">openstack@medberry.net</a>>, "<a href="mailto:openstack-operators@lists.openstack.org">openstack-operators@lists.openstack.org</a>" <<a href="mailto:openstack-operators@lists.openstack.org">openstack-operators@lists.openstack.org</a>>, "<a href="mailto:matt@mattjarvis.org.uk">matt@mattjarvis.org.uk</a>" <<a href="mailto:matt@mattjarvis.org.uk">matt@mattjarvis.org.uk</a>><br><span style="font-weight:bold">Subject: </span> Re: [Openstack-operators] Any serious stability and performance issues on RBD as ephemeral storage ?<br></div><div><br></div><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><div class="" style="word-wrap:break-word">
Vahric -
<div class=""><br class=""></div><div class="">We use Ceph for nova ephemeral as well on thousands of VMs and we love it. Fast provisioning of VMs, solid, reliable and flexible. Works great with live-migration. The only time we ever have a problem is an OSD is allowed to get too full.
Never let that happen!<br class=""><div class=""><div class="" style="color:rgb(0,0,0); font-family:Helvetica; font-size:12px; font-style:normal; font-weight:normal; letter-spacing:normal; orphans:auto; text-align:start; text-indent:0px; text-transform:none; white-space:normal; widows:auto; word-spacing:0px"><div class=""><br class="Apple-interchange-newline">
Mike Smith</div><div class="">Lead Cloud Systems Architect</div><div class=""><a href="http://overstock.com" class="">Overstock.com</a></div></div><div class="" style="color:rgb(0,0,0); font-family:Helvetica; font-size:12px; font-style:normal; font-weight:normal; letter-spacing:normal; orphans:auto; text-align:start; text-indent:0px; text-transform:none; white-space:normal; widows:auto; word-spacing:0px"><br class=""></div><br class="Apple-interchange-newline"></div><br class=""><div><blockquote type="cite" class=""><div class="">On Dec 8, 2016, at 10:36 AM, Matt Jarvis <<a href="mailto:matt@mattjarvis.org.uk" class="">matt@mattjarvis.org.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">I'd say using Ceph for ephemeral disks is the most common deployment pattern, at DataCentred we've been using it for years. It's rock solid and has been for several releases. There were some edge case issues around resizing and snapshotting,
but I think that's all been fixed in the last couple of iterations.</div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, Dec 8, 2016 at 4:58 PM, David Medberry <span dir="ltr" class="">
<<a href="mailto:openstack@medberry.net" target="_blank" class="">openstack@medberry.net</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex"><div dir="ltr" class="">We've been using it and recommending it for years. It solves many many problems with a running cloud and there have been very few issues. Pay close attention when upgrading versions of CEPH and do things in the right order and you will
be fine!</div><div class="gmail_extra"><br class=""><div class="gmail_quote"><div class=""><div class="h5">On Wed, Dec 7, 2016 at 7:51 AM, Vahric Muhtaryan <span dir="ltr" class="">
<<a href="mailto:vahric@doruk.net.tr" target="_blank" class="">vahric@doruk.net.tr</a>></span> wrote:<br class=""></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex"><div class=""><div class="h5"><div class="" style="word-wrap:break-word; font-size:14px; font-family:Calibri,sans-serif"><div class="">Hello All, </div><div class=""><br class=""></div><div class="">I would like to use ephemeral disks with ceph instead of on nova compute node. I saw that there is an option to configure it but find many different bugs and reports for its not working , not stable , no success at the instance creation time.</div><div class="">Anybody In this list use ceph as an ephemeral storage without any problem ?</div><div class="">Could you pls share your experiences pls ? </div><div class=""><br class=""></div><div class="">Regards</div><span class="m_-379861312941819733HOEnZb"><font color="#888888" class=""><div class="">VM</div></font></span></div><br class=""></div></div><span class="">______________________________<wbr class="">_________________<br class="">
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