| Dean Troyer | 54b9732 | 2014-06-20 17:53:55 -0500 | [diff] [blame] | 1 | <!DOCTYPE html> |
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| Adrien Cunin | eaff3e1 | 2014-10-21 13:46:54 +0200 | [diff] [blame] | 37 | <li><a href="https://git.openstack.org/cgit/openstack-dev/devstack">git.openstack.org</a></li> |
| Dean Troyer | 54b9732 | 2014-06-20 17:53:55 -0500 | [diff] [blame] | 38 | <li><a href="https://review.openstack.org/#/q/status:open+project:openstack-dev/devstack,n,z">Gerrit</a></li> |
| 39 | </ul> |
| 40 | </div> |
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| 42 | </div> |
| 43 | |
| 44 | <div class="container"> |
| 45 | <section id="overview"> |
| 46 | <h1>USB Boot: Undoable Stack Boot</h1> |
| 47 | <p>Boot DevStack from a USB disk into a RAM disk.</p> |
| 48 | </section> |
| 49 | |
| 50 | <section id="requirements"> |
| 51 | <div class="page-header"> |
| 52 | <h2>Prerequisites</h2> |
| 53 | </div> |
| 54 | |
| 55 | <h3>Hardware</h3> |
| 56 | <p>This guide covers the creation of a bootable USB drive. Your |
| 57 | computer BIOS must support booting from USB and You will want at least 3GB of |
| 58 | RAM. You also will need a USB drive of at least 2GB.</p> |
| 59 | |
| 60 | <h3>Software</h3> |
| 61 | <p>Ubuntu 11.10 (Oneiric Ocelot) is required on host to create images.</p> |
| 62 | </section> |
| 63 | |
| 64 | <section id="installation"> |
| 65 | <div class="page-header"> |
| 66 | <h2>Installation <small>bit blasting</small></h2> |
| 67 | </div> |
| 68 | |
| 69 | <h3>Set Up USB Drive</h3> |
| 70 | <ul> |
| 71 | <li>Insert the USB drive into the computer. Make a note of the device name, such as |
| 72 | <code>sdb</code>. Do not mount the device.</li> |
| 73 | <li>Install the boot system: |
| 74 | <pre>tools/build_usb_boot.sh /dev/sdb1</pre> |
| 75 | <p>This calls tools/build_ramdisk.sh to create a 2GB ramdisk |
| 76 | containing a complete development Oneiric OS plus the |
| 77 | OpenStack code checkouts. It then writes a syslinux boot sector |
| 78 | to the specified device and creates <code>/syslinux</code>.</p> |
| 79 | </li> |
| 80 | <li>If desired, you may now mount the device: |
| 81 | <pre>mount /dev/sdb1 /mnt/tmp |
| 82 | # foo |
| 83 | umount /mnt/tmp</pre> |
| 84 | </li> |
| 85 | </ul> |
| 86 | |
| 87 | <p>Now <a href="ramdisk.html">return</a> to the RAM disk Guide to kick |
| 88 | off your DevStack experience.</p> |
| 89 | |
| 90 | </section> |
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