491 lines
7.5 KiB
HTML
491 lines
7.5 KiB
HTML
<HTML
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><HEAD
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><TITLE
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> Kernel Configuration and Installation </TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="Linux + XFS HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE=" Preparation for XFS Installation "
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HREF="x51.html"><LINK
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TITLE="Filesystem Migration"
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><TR
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><TH
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COLSPAN="3"
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>Linux + XFS HOWTO: Linux on Steroids</TH
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WIDTH="10%"
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="AEN106">3. Kernel Configuration and Installation</H1
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN108">3.1. Configuring your kernel for XFS support</H2
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><DIV
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CLASS="NOTE"
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><P
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></P
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><TABLE
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CLASS="NOTE"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TH
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ALIGN="LEFT"
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VALIGN="CENTER"
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><B
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>Note</B
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></TH
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></TR
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><TR
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><TD
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> </TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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> If you have never configured and compiled a new linux kernel
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you might consider reading the Linux Kernel HOWTO before doing this
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step. It can be found at the
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<A
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HREF="http://www.linuxdoc.org/HOWTO/Kernel-HOWTO.html"
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TARGET="_top"
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> Linux Documentation Project (LDP)
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</A
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>
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or one of its mirrors.
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</P
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></TD
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></TR
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></TABLE
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></DIV
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><P
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>After having downloaded the cvs source tree the actual kernel
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source will be in /usr/src/linux-2.4-xfs(-beta)/linux, so you should
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switch to that directory before running the make config command of
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your choice. The main things that must be included in your kernel
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to provide XFS support are "Page Buffer support" and (duh)
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"SGI XFS filesystem support." Both options are available
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in the "File systems" section of the kernel configuration.
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You will need to have "Prompt for development and/or incomplete
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code/drivers" selected under "Code maturity level options"
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for those options to be available to you. Optionally, you may also
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want to select "Enable XFS Debug mode" and "Enable
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XFS Vnode Tracing" under "SGI XFS filesystem support."
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These options may slow your XFS implementation some, but may be useful
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in tracing the cause of a crash if a crash occurs.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN115">3.2. Building the kernel and modules</H2
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><P
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>As with any kernel build, the following commands must be run
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to actually build the new kernel:
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</P
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>$ make dep
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$ make bzImage
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$ make modules
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN120">3.3. Installing the new kernel and modules</H2
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><P
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>Again this is standard for any kernel installation:
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</P
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>$ make modules_install
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$ cp arch/i386/boot/bzImage /boot/vmlinuz-2.4.0-XFS
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN125">3.4. Add a new entry to your lilo configuration and re-install lilo</H2
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>$ vi /etc/lilo.conf
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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><P
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>Add a new image section to your lilo.conf file similar to the
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following:
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</P
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>image=/boot/vmlinuz-2.4.0-XFS label=xfs read-only root=/dev/hda2
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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><P
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>The "root=" line should match the "root="
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line from the existing image sections in your lilo.conf file. Don't
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forget to run lilo when you're through editing lilo.conf to make
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the changes effective.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN133">3.5. Build and install the XFS utilities</H2
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><P
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>There are a number of tools that come with the XFS filesystem that allow
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you to build and manage your XFS filesystems that must be built as well.
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These tools are in the /usr/src/linux-2.4-xfs(-beta)/cmd/xfsprogs directory.
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</P
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><DIV
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CLASS="NOTE"
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><P
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></P
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><TABLE
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CLASS="NOTE"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TH
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ALIGN="LEFT"
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VALIGN="CENTER"
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><B
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>Note</B
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></TH
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></TR
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><TR
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><TD
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> </TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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>These tools rely on the /usr/lib/libuuid.a shared library. If you
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do not have this library installed you will need it in order for
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the XFS utilities to compile. You can find the rpm package for
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your version of Linux from <A
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HREF="http://www.rpmfind.net"
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TARGET="_top"
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>Rpmfind.net</A
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> by searching for "/usr/lib/libuuid.a." The debian package that contains libuuid is uuid-dev. There will no doubt be other distributions that package this library in another place. A good way to find the correct package on those distributions is to search on the <A
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HREF="http://www.google.com/linux"
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TARGET="_top"
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>Google Linux</A
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> search engine.
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</P
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></TD
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></TR
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></TABLE
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></DIV
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><P
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>Change to that directory:
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</P
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>$ cd ../cmd/xfsprogs
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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><P
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>Build and install the xfs utilities:
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</P
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>$ make install
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN147">3.6. Boot the new kernel</H2
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>$ reboot
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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</P
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><DIV
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CLASS="NOTE"
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><P
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></P
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><TABLE
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CLASS="NOTE"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TH
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ALIGN="LEFT"
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VALIGN="CENTER"
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><B
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>Note</B
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></TH
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></TR
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><TR
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><TD
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> </TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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> Unless you changed the default label to boot in your lilo.conf
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file you will need to enter "xfs" at the "LILO Boot:"
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prompt in order to boot the new kernel image.
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</P
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></TD
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></TR
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></TABLE
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VALIGN="top"
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>Preparation for XFS Installation</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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> </TD
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>Filesystem Migration</TD
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