<div dir="ltr"><div><div><div><div><font size="4">Hi,<br></font></div><font size="4">Thank you very much for your reply !<br></font></div><font size="4">But there are still some questions for me. Now I've come to the step where ironic partitions the disk as you replied.<br>
</font></div><font size="4">Then, how does ironic copies an image ? I know the image comes from glance. But how to know image is really available when reboot? <br></font></div><font size="4">And, what are the differences between final kernel (ramdisk) and original kernel (ramdisk) ? </font></div>
<div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div><font face="comic sans ms, sans-serif" size="4"><b><i>Best Regards!</i></b></font></div><font face="comic sans ms, sans-serif" size="4"><b><i>Chao Yan<br><font>--------------<br>
</font></i></b></font><font face="comic sans ms, sans-serif" size="4"><b><i><font>My twitter:Andy Yan <a href="https://twitter.com/yanchao727" target="_blank">@yanchao727</a></font></i></b></font><br><font face="comic sans ms, sans-serif" size="4"><b><i><font>My Weibo:<a href="http://weibo.com/herewearenow" target="_blank">http://weibo.com/herewearenow</a><br>
--------------</font><br></i></b></font></div></div>
<br><br><div class="gmail_quote">2014-06-04 19:36 GMT+08:00 Dmitry Tantsur <span dir="ltr"><<a href="mailto:dtantsur@redhat.com" target="_blank">dtantsur@redhat.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi!<br>
<br>
Workflow is not entirely documented by now AFAIK. After PXE boots deploy<br>
kernel and ramdisk, it exposes hard drive via iSCSI and notifies Ironic.<br>
After that Ironic partitions the disk, copies an image and reboots node<br>
with final kernel and ramdisk.<br>
<div><div class="h5"><br>
On Wed, 2014-06-04 at 19:20 +0800, 严超 wrote:<br>
> Hi, All:<br>
><br>
> I searched a lot about how ironic automatically install image<br>
> on bare metal. But there seems to be no clear workflow out there.<br>
><br>
> What I know is, in traditional PXE, a bare metal pull image<br>
> from PXE server using tftp. In tftp root, there is a ks.conf which<br>
> tells tftp which image to kick start.<br>
><br>
> But in ironic there is no ks.conf pointed in tftp. How do bare<br>
> metal know which image to install ? Is there any clear workflow where<br>
> I can read ?<br>
><br>
><br>
><br>
><br>
> Best Regards!<br>
> Chao Yan<br>
> --------------<br>
> My twitter:Andy Yan @yanchao727<br>
> My Weibo:<a href="http://weibo.com/herewearenow" target="_blank">http://weibo.com/herewearenow</a><br>
> --------------<br>
><br>
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