58 lines
1.4 KiB
ReStructuredText
58 lines
1.4 KiB
ReStructuredText
`DevStack </>`__
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- `Overview <../overview.html>`__
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- `Changes <../changes.html>`__
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- `FAQ <../faq.html>`__
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- `git.openstack.org <https://git.openstack.org/cgit/openstack-dev/devstack>`__
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- `Gerrit <https://review.openstack.org/#/q/status:open+project:openstack-dev/devstack,n,z>`__
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USB Boot: Undoable Stack Boot
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=============================
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Boot DevStack from a USB disk into a RAM disk.
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Prerequisites
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-------------
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Hardware
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~~~~~~~~
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This guide covers the creation of a bootable USB drive. Your computer
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BIOS must support booting from USB and You will want at least 3GB of
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RAM. You also will need a USB drive of at least 2GB.
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Software
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~~~~~~~~
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Ubuntu 11.10 (Oneiric Ocelot) is required on host to create images.
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Installation bit blasting
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-------------------------
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Set Up USB Drive
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~~~~~~~~~~~~~~~~
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- Insert the USB drive into the computer. Make a note of the device
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name, such as ``sdb``. Do not mount the device.
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- Install the boot system:
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::
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tools/build_usb_boot.sh /dev/sdb1
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This calls tools/build\_ramdisk.sh to create a 2GB ramdisk containing
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a complete development Oneiric OS plus the OpenStack code checkouts.
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It then writes a syslinux boot sector to the specified device and
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creates ``/syslinux``.
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- If desired, you may now mount the device:
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::
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mount /dev/sdb1 /mnt/tmp
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# foo
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umount /mnt/tmp
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Now `return <ramdisk.html>`__ to the RAM disk Guide to kick off your
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DevStack experience.
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