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**This is heavily WIP as long this note is here** ====== Ubuntu 9.04 (jaunty jackalope) ====== (this howto is based on the Debian Etch iSCSI howto with some major changes) ===== Introduction ===== If you are experienced with ubuntu and initramfs / initrd creation you can install ubuntu directly onto the iscsi target using the desktop (i386 or amd64) install CD (more on that later). The alternate install disk is not capable of installing additional packages at runtime, because of the limitations of the busybox environment. If you have the possibility it is more comfortable to install ubuntu onto a local HDD, USB stick or whatever and boot into the installed system after that. ===== Assumptions ===== This howto is based on the following assumptions: * An installation of ubuntu or one of its pendants in the latest (jaunty) version * the system is installed on a single harddrive, no matter how much partitions you have set up * there is an already done iscsi target on an iscsi server * there is a working dhcp server (although you will only need it for comfort, configuring gpxe manually does also work) ===== Preparations ===== The debian howto recommended to compile open-iscsi yourself as iscsistart and fwparam_ibft were not available in the debian packages that time. This is not necessary for ubuntu for some reasons: * fwparam_ibft is no longer a (fully featured) component of neither the open-iscsi semi-stable release (which does not even support kernel 2.6.28+) nor the development git source tree * iscsistart is available via [[http://packages.ubuntu.com/jaunty/open-iscsi|open-iscsi]] from the ubuntu repositories. * the initramfs scripts are even prepared for iscsi usage in some way But the initramfs / initrd has to be recreated to include the required iscsi stuff: (I use joe for some vintage reason, but you are of course free to use the editor of your choice) * install required packages sudo aptitude install initramfs-tools open-iscsi * change the initiatorname (of the client) to something unique if you are planning to set up many boxes sudo echo "InitiatorName=iqn.1993-08.org.debian:01:22b2ed5d3ccc" > /etc/iscsi/initiatorname.iscsi * touch the indicatorfile, which is queried to determine, whether the daemons are to be copied into the new initrd sudo touch /etc/iscsi/iscsi.initramfs * now we have to workaround a bug in the jaunty stable tree, so edit /usr/share/initramfs-tools/hooks/iscsi with your favourite editor: sudo joe /usr/share/initramfs-tools/hooks/iscsi and change line 25 from: copy_exec /usr/sbin/iscsistart /sbin to copy_exec /sbin/iscsistart /sbin


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