<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"MS Gothic";
panose-1:2 11 6 9 7 2 5 8 2 4;}
@font-face
{font-family:MingLiU;
panose-1:2 2 5 9 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"\@MingLiU";
panose-1:2 1 6 9 0 1 1 1 1 1;}
@font-face
{font-family:"\@MS Gothic";
panose-1:2 11 6 9 7 2 5 8 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.msonormal0, li.msonormal0, div.msonormal0
{mso-style-name:msonormal;
margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
span.EmailStyle19
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-GB">I’m not sure you actually need full cinder support, see “Boot Without Cinder” in
</span><a href="https://docs.openstack.org/ironic/latest/admin/boot-from-volume.html">https://docs.openstack.org/ironic/latest/admin/boot-from-volume.html</a><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">(Never tried it though ….)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Tim<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Jason Anderson <jasonanderson@uchicago.edu><br>
<b>Date: </b>Wednesday, 8 May 2019 at 18:17<br>
<b>To: </b>"openstack-discuss@lists.openstack.org" <openstack-discuss@lists.openstack.org>, "jsbryant@electronicjungle.net" <jsbryant@electronicjungle.net><br>
<b>Subject: </b>Re: topic: ironic boot from cinder volume(the cinder volume backend is ceph storage)<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;color:black">Tim, Jay --<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;color:black">I looked in to this recently as it was a use-case some of our HPC users wanted support for. I noticed that Ceph has the iSCSI gateway, but my impression was that this
wouldn't work without adding some sort of new driver in Cinder. Is that not true? I thought that Cinder only Ceph via RBD. I'd be happy to be proven wrong on this.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;color:black">Cheers,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:12.0pt;color:black">/Jason<o:p></o:p></span></p>
</div>
<div class="MsoNormal" align="center" style="margin-left:36.0pt;text-align:center">
<hr size="0" width="100%" align="center">
</div>
<div id="divRplyFwdMsg">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="color:black">From:</span></b><span style="color:black"> Jay Bryant <jungleboyj@gmail.com><br>
<b>Sent:</b> Wednesday, May 8, 2019 11:04<br>
<b>To:</b> openstack-discuss@lists.openstack.org<br>
<b>Subject:</b> Re: topic: ironic boot from cinder volume(the cinder volume backend is ceph storage)</span>
<o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt">
Tim,<br>
<br>
Good thought. That would be an interim solution until we are able to <br>
get the process automated.<br>
<br>
Jay<br>
<br>
On 5/8/2019 10:55 AM, Tim Bell wrote:<br>
> Just brainstorming....<br>
><br>
> Would it be possible to set up a couple of VMs as iscsi LIO gateways by hand while this feature is being developed and using that end point to boot an Ironic node? You may also be on a late enough version of Ceph to do it using
<a href="http://docs.ceph.com/docs/mimic/rbd/iscsi-overview/">http://docs.ceph.com/docs/mimic/rbd/iscsi-overview/</a>.<br>
><br>
> Not self-service but could work for a few cases..<br>
><br>
> Tim<br>
><br>
> -----Original Message-----<br>
> From: Jay Bryant <jungleboyj@gmail.com><br>
> Reply-To: "jsbryant@electronicjungle.net" <jsbryant@electronicjungle.net><br>
> Date: Wednesday, 8 May 2019 at 17:46<br>
> To: "openstack-discuss@lists.openstack.org" <openstack-discuss@lists.openstack.org><br>
> Subject: Re: topic: ironic boot from cinder volume(the cinder volume backend is ceph storage)<br>
><br>
> This is going to require being able to export Ceph volumes via iSCSI.<br>
> The Ironic team communicated the importance of this feature to the<br>
> Cinder team a few months ago.<br>
> <br>
> We are working on getting this support in place soon but it probably<br>
> will not be until the U release.<br>
> <br>
> Thanks!<br>
> <br>
> Jay<br>
> <br>
> <br>
> On 5/8/2019 6:48 AM, <span style="font-family:MingLiU">陈</span><span style="font-family:"MS Gothic"">杰</span> wrote:<br>
> > Nowdays , the opestack rocky release ironic , is support ironic boot<br>
> > from cinder volume(the cinder volume backend is ceph storage)? My goal<br>
> > is to achieve this.<br>
> > Who can tell me about this principle?<br>
> > looking forward to a reply<br>
> > thank you all.<br>
> <br>
> <br>
><o:p></o:p></p>
</div>
</div>
</div>
</body>
</html>