Sean M. Collins 0f3bafc74e Remove copyright footer from RST docs

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2014-10-24 10:48:46 -04:00

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DevStack

USB Boot: Undoable Stack Boot

Boot DevStack from a USB disk into a RAM disk.

Prerequisites

Hardware

This guide covers the creation of a bootable USB drive. Your computer BIOS must support booting from USB and You will want at least 3GB of RAM. You also will need a USB drive of at least 2GB.

Software

Ubuntu 11.10 (Oneiric Ocelot) is required on host to create images.

Installation bit blasting

Set Up USB Drive

Insert the USB drive into the computer. Make a note of the device name, such as sdb. Do not mount the device.
Install the boot system:
```
tools/build_usb_boot.sh /dev/sdb1
```
This calls tools/build_ramdisk.sh to create a 2GB ramdisk containing a complete development Oneiric OS plus the OpenStack code checkouts. It then writes a syslinux boot sector to the specified device and creates /syslinux.

If desired, you may now mount the device:

mount /dev/sdb1 /mnt/tmp
# foo
umount /mnt/tmp

Now return to the RAM disk Guide to kick off your DevStack experience.

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