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XenificationOfSLC
(2007-05-22,
JaroslawPolok
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*NOTE*: this document describes what has been done for SLC4.4: SLC4.5 did not require any of the following since we get Xen Domain U setups "for free" from Red Hat Enterprise Linux 4 Update 5 sources. (However SLC3 still does require changes ...) Xenification of existing SLC3/SLC4 releases for the installation within domU Xen domains required a little bit of tweaking of existing anaconda installer and some supporting tools code. This is the overview of what has been changed in the standard SLC3/SLC4 installation code in order to support Xen: ---+++ SLC3 * modification of _parted_ partition editor (Xen xenblk driver does not fully emulate a real SCSI device and does not support some ioctls) * modification of _anaconda_ _init_ and _loader _ in order to preload modified parted library * modification of _anaconda_ and _kudzu_ hardware detection to support *xenblk* and *xennet* devices * modification of _anaconda_ tty detection code (apparently Xen also does not fully emulate ttys ... some ioctls there tend to crash console or xenU kernel ..) * addon of xenU kernel / openafs module to the installation image. Modified source code can be found at: <a href="file:///afs/cern.ch/project/linux/dev/xen/work/slc3_install">/afs/cern.ch/project/linux/dev/xen/work/slc3_install</a> (no clean patchset for now, just build directories...) ---+++ SLC4 * modification of _parted_ partition editor (Xen xenblk driver does not fully emulate a real SCSI device and does not support some ioctls) * modification of _anaconda_ _init_ and _loader _ in order to preload modified parted library * modification of _anaconda_ and _kudzu_ hardware detection to support *xenblk* and *xennet* devices * modification of _anaconda_ tty detection code (apparently Xen also does not fully emulate ttys ... some ioctls there tend to crash console) * addon of xenU kernel / openafs module to the installation image. Modified source code can be found at: <a href="file:///afs/cern.ch/project/linux/dev/xen/work/slc4_install">/afs/cern.ch/project/linux/dev/xen/work/slc4_install</a> (no clean patchset for now, just build directories...) <div align="right">-- Main.JaroslawPolok - 22 May 2007</div>
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Topic revision: r2 - 2007-05-22
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JaroslawPolok
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