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450 lines
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<title>Brief description of DriverDisc version 3 — Anaconda 23.15 documentation</title>
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<li class="toctree-l1"><a class="reference internal" href="intro.html">Introduction to Anaconda</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-ks-sendsn">inst.ks.sendsn</a></li>
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<li class="toctree-l2"><a class="reference internal" href="boot-options.html#network-options">Network Options</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#ip">ip</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#ifname">ifname</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-dhcpclass">inst.dhcpclass</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="boot-options.html#console-display-options">Console / Display Options</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#console">console</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-lang">inst.lang</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-geoloc">inst.geoloc</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-keymap">inst.keymap</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-cmdline">inst.cmdline</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-graphical">inst.graphical</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-text">inst.text</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-resolution">inst.resolution</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-vnc">inst.vnc</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-vncpassword">inst.vncpassword</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-vncconnect">inst.vncconnect</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-headless">inst.headless</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-xdriver">inst.xdriver</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-usefbx">inst.usefbx</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-sshd">inst.sshd</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="boot-options.html#debugging-and-troubleshooting">Debugging and Troubleshooting</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-rescue">inst.rescue</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-updates">inst.updates</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-loglevel">inst.loglevel</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-syslog">inst.syslog</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-virtiolog">inst.virtiolog</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-zram">inst.zram</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="boot-options.html#deprecated-options">Deprecated Options</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#method">method</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#repo-nfsiso">repo=nfsiso:...</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#dns">dns</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#netmask-gateway-hostname">netmask, gateway, hostname</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#ip-bootif">ip=bootif</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#ksdevice">ksdevice</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#blacklist-nofirewire">blacklist, nofirewire</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="boot-options.html#removed-options">Removed Options</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#askmethod-asknetwork">askmethod, asknetwork</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#id5">serial</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#updates">updates</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#essid-wepkey-wpakey">essid, wepkey, wpakey</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#ethtool">ethtool</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#gdb">gdb</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#inst-mediacheck">inst.mediacheck</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#ks-floppy">ks=floppy</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#display">display</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#utf8">utf8</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#noipv6">noipv6</a></li>
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<li class="toctree-l3"><a class="reference internal" href="boot-options.html#upgradeany">upgradeany</a></li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="kickstart.html">Anaconda Kickstart Documentation</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="kickstart.html#pwpolicy">pwpolicy</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="commit-log.html">Rules for commit messages</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="">Brief description of DriverDisc version 3</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#devices-which-can-contain-dds">Devices which can contain DDs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#what-can-be-updated-using-dds">What can be updated using DDs?</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#selecting-dd-manually">Selecting DD manually</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#automatic-driverdisc-detection">Automatic DriverDisc detection</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#ddv3-structure">DDv3 structure</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#initrd-overlay-driverdisc-image">Initrd overlay driverdisc image</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#firmware-and-module-update">Firmware and module update</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#package-installation">Package installation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#summary">Summary</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="iscsi.html">iSCSI and Anaconda</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="iscsi.html#introduction">Introduction</a></li>
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<li class="toctree-l2"><a class="reference internal" href="iscsi.html#what-is-expected-from-anaconda">What is expected from Anaconda</a></li>
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<li class="toctree-l2"><a class="reference internal" href="iscsi.html#how-anaconda-handles-iscsi">How Anaconda handles iscsi</a></li>
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<li class="toctree-l2"><a class="reference internal" href="iscsi.html#libiscsi">Libiscsi</a></li>
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<li class="toctree-l2"><a class="reference internal" href="iscsi.html#debugging-iscsi-bugs">Debugging iSCSI bugs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="iscsi.html#future-of-iscsi-in-anaconda">Future of iSCSI in Anaconda</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="multipath.html">Multipath and Anaconda</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="multipath.html#introduction">Introduction</a></li>
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<li class="toctree-l2"><a class="reference internal" href="multipath.html#what-is-expected-from-anaconda">What is expected from Anaconda</a></li>
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<li class="toctree-l2"><a class="reference internal" href="multipath.html#how-anaconda-handles-multipath">How Anaconda handles multipath</a></li>
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<li class="toctree-l2"><a class="reference internal" href="multipath.html#debugging-multipath-bugs">Debugging multipath bugs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="multipath.html#future-of-multipath-in-anaconda">Future of multipath in Anaconda</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="modules.html">pyanaconda</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="pyanaconda.html">pyanaconda package</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#subpackages">Subpackages</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="pyanaconda.installclasses.html">pyanaconda.installclasses package</a></li>
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<li class="toctree-l4"><a class="reference internal" href="pyanaconda.isys.html">pyanaconda.isys package</a></li>
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<li class="toctree-l4"><a class="reference internal" href="pyanaconda.packaging.html">pyanaconda.packaging package</a></li>
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<li class="toctree-l4"><a class="reference internal" href="pyanaconda.ui.html">pyanaconda.ui package</a></li>
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</ul>
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</li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#submodules">Submodules</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.addons">pyanaconda.addons module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.anaconda">pyanaconda.anaconda module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.anaconda_argparse">pyanaconda.anaconda_argparse module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.anaconda_log">pyanaconda.anaconda_log module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.bootloader">pyanaconda.bootloader module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.constants">pyanaconda.constants module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.constants_text">pyanaconda.constants_text module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.desktop">pyanaconda.desktop module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.errors">pyanaconda.errors module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.exception">pyanaconda.exception module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.flags">pyanaconda.flags module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.geoloc">pyanaconda.geoloc module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.i18n">pyanaconda.i18n module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.ihelp">pyanaconda.ihelp module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.image">pyanaconda.image module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.install">pyanaconda.install module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.installclass">pyanaconda.installclass module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.installinterfacebase">pyanaconda.installinterfacebase module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.iutil">pyanaconda.iutil module</a></li>
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<li class="toctree-l3"><a class="reference internal" href="pyanaconda.html#module-pyanaconda.kexec">pyanaconda.kexec module</a></li>
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<li><a href="index.html">Docs</a> »</li>
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<li>Brief description of DriverDisc version 3</li>
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<div role="main" class="document">
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<div class="section" id="brief-description-of-driverdisc-version-3">
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<h1>Brief description of DriverDisc version 3<a class="headerlink" href="#brief-description-of-driverdisc-version-3" title="Permalink to this headline">¶</a></h1>
|
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<p>For a new major release we decided to introduce a new version of DriverDisc
|
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feature to ensure the smoothest vendor and user experience possible. We had
|
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many reasons for it:</p>
|
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<ul class="simple">
|
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<li>the old DD didn’t support multiple architectures</li>
|
||
|
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<li>the old DD wasn’t particulary easy to create</li>
|
||
|
|
<li>the old DD had two copys of modules, one for anaconda and one for
|
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instalation</li>
|
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|
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<li>the modules in old DD weren’t checked for kernel version</li>
|
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</ul>
|
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<p>We also changed the feature internal code to enable some functionality that
|
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was missing from the old version. More about it below.</p>
|
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<div class="section" id="devices-which-can-contain-dds">
|
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<h2>Devices which can contain DDs<a class="headerlink" href="#devices-which-can-contain-dds" title="Permalink to this headline">¶</a></h2>
|
||
|
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<p>The best place to save your DriverDisc to is USB flash device. We also support
|
||
|
|
(or plan to) IDE and SATA block devices with or without partitions, DriverDisc
|
||
|
|
image stored on block device, initrd overlay (see documentation below) and for
|
||
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special cases even network retrieval of DriverDisc image.</p>
|
||
|
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</div>
|
||
|
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<div class="section" id="what-can-be-updated-using-dds">
|
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<h2>What can be updated using DDs?<a class="headerlink" href="#what-can-be-updated-using-dds" title="Permalink to this headline">¶</a></h2>
|
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<p>All drivers for block devices, which weren’t used for retrieving DriverDiscs,
|
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|
the same applies also for network drivers eg. you cannot upgrade network
|
||
|
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driver for device, which was used prior the DriverDisc extraction.</p>
|
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<p>RPMs for installation. If the DriverDisc repo contains newer package, than the
|
||
|
|
official repository, the newer package will get used.</p>
|
||
|
|
<p>We also plan to support anaconda’s updates.img placement on the DriverDisc to
|
||
|
|
update stage2 behaviour of anaconda.</p>
|
||
|
|
</div>
|
||
|
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<div class="section" id="selecting-dd-manually">
|
||
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|
<h2>Selecting DD manually<a class="headerlink" href="#selecting-dd-manually" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>Use the ‘inst.dd’ kernel command line option to trigger DD mode.
|
||
|
|
If no argument is specified, the UI will prompt for the location of the driver
|
||
|
|
rpm. Otherwise, the rpm will be fetched from the specified location.</p>
|
||
|
|
<p>Please consult the appropriate Installer Guide for further information.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section" id="automatic-driverdisc-detection">
|
||
|
|
<h2>Automatic DriverDisc detection<a class="headerlink" href="#automatic-driverdisc-detection" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>Anaconda automatically looks for driverdiscs during startup.</p>
|
||
|
|
<p>The DriverDisc has to be on partition or filesystem which has been labeled
|
||
|
|
with ‘OEMDRV’ label.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section" id="ddv3-structure">
|
||
|
|
<h2>DDv3 structure<a class="headerlink" href="#ddv3-structure" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>The new DriverDisc format uses simple layout which can be created on top of
|
||
|
|
any anaconda’s supported filesystem (vfat, squashfs, ext2 and ext3).</p>
|
||
|
|
<div class="highlight-python"><div class="highlight"><pre>/
|
||
|
|
|rhdd3 - DD marker, contains the DD's description string
|
||
|
|
/rpms
|
||
|
|
| /i386 - contains RPMs for this arch and acts as package repo
|
||
|
|
| /i586
|
||
|
|
| /x86_64
|
||
|
|
| /ppc
|
||
|
|
| /... - any other architecture the DD provides drivers for
|
||
|
|
</pre></div>
|
||
|
|
</div>
|
||
|
|
<p>There is a special requirement for the RPMs used to update drivers. Anaconda
|
||
|
|
picks up only RPMs which provide “kernel-modules = <running kernel version>”.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section" id="initrd-overlay-driverdisc-image">
|
||
|
|
<h2>Initrd overlay driverdisc image<a class="headerlink" href="#initrd-overlay-driverdisc-image" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>We have designed another possible way of providing updates in network boot
|
||
|
|
environments. It is possible to update all modules this way, so if special
|
||
|
|
storage module (which gets used early) needs to be updated, this is the
|
||
|
|
preffered way.</p>
|
||
|
|
<p>This kind of driverdisc image is applied over the standard initrd and so has
|
||
|
|
to respect some rules.</p>
|
||
|
|
<ul class="simple">
|
||
|
|
<li>All updated modules belong to /lib/modules/<kernel version>/.. according to
|
||
|
|
their usual location</li>
|
||
|
|
<li>All new modules belong to /lib/modules/<kernel version>/updates</li>
|
||
|
|
<li>All new firmware files belong to /lib/firmware</li>
|
||
|
|
<li>The rpm repo with updated packages belongs to /tmp/DD-initrd/</li>
|
||
|
|
<li>The (empty) trigger file /.rundepmod must be present</li>
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
<div class="section" id="firmware-and-module-update">
|
||
|
|
<h2>Firmware and module update<a class="headerlink" href="#firmware-and-module-update" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>The firmware files together with all .ko files from the RPMs are exploded to
|
||
|
|
special module location, which has preference over built-in Anaconda modules.</p>
|
||
|
|
<p>Anaconda doesn’t use built-in modules (except some storage modules needed for
|
||
|
|
the DD to function properly) during the DriverDisc mode, so even in case when
|
||
|
|
you are updating some modules with second (or later) DriverDisc, the updated
|
||
|
|
modules will be loaded. There is one exception though, if your module depends
|
||
|
|
on a module which is only present in built-in module directory, that built-in
|
||
|
|
module gets also loaded.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section" id="package-installation">
|
||
|
|
<h2>Package installation<a class="headerlink" href="#package-installation" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>It is also possible to include arbitrary packages on the DriverDisc media and
|
||
|
|
mark them for installation. You just have to include the package name in the
|
||
|
|
package repo for correct architecture and mark it as mandatory.</p>
|
||
|
|
</div>
|
||
|
|
<div class="section" id="summary">
|
||
|
|
<h2>Summary<a class="headerlink" href="#summary" title="Permalink to this headline">¶</a></h2>
|
||
|
|
<p>This new DriverDisc format should simplify the DD creation and usage a lot. We
|
||
|
|
will gladly hear any comments as this is partially still work in progress.</p>
|
||
|
|
</div>
|
||
|
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