154 lines
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154 lines
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<TITLE>The Answer Guy 34:
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Suggestions for Linux Users with Ultra Large Disks
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Booting and partitions
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<H4>"Linux Gazette...<I>making Linux just a little more fun!</I>"
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<H1 align="center"><A NAME="answer">
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<img src="../../gx/dennis/qbubble.gif" alt="" border="0" align="middle">
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<a href="../index.html">The Answer Guy</a>
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<BR>
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<H4 align="center">By James T. Dennis,
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<a href="mailto:linux-questions-only@ssc.com">linux-questions-only@ssc.com</a>
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<BR>Starshine Technical Services, <A HREF="http://www.starshine.org/">http://www.starshine.org/</A>
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</H4>
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<p><hr><p>
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<H3><img src="../../gx/dennis/qbub.gif" alt="(?)"
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width="50" height="28" align="left" border="0"
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>Suggestions for Linux Users with Ultra Large Disks</H3>
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<p><strong>From Tom Watson on 09 Sep 1998 </strong></p>
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<!-- begin body -->
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<p><strong>Answer guy:
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</strong></p>
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<p><strong>In several questions, I see people asking about booting large disks
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with older machines. A while ago I built up a machine like this,
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and had a reasonable solution.
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</strong></p>
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<p><strong>While I can understand that the problem is often interference with the
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"other" operating systems, in the case I used, I had an older '486
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motherboard which given the requirements for windoze was a bit out of
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date, but quite reasonable for Linux. In attempting a "normal"
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installation on the larger disk, the first (root) partition was quite a
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bit over the 540 MB BIOS limitation. It took me a few attempts at
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running LILO and understanding its error messages (I even tried the
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"linear" option) to understand the problem (I hadn't used a disk that
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large before). When I remembered the "540MB" problem, the solution that
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I explained above seemed the "easiest" to implement, and with the least
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amount of "hassle". It only took a few symbolic links/copies and I was
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done. The "basic" root partition was still intact, and nobody really
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worried about the difference. I feel that if I wanted to, I could have
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made a "small" partition and installed the "root" files there, but most
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installations want a larger partition to get "the whole works"
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installed.
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</strong></p>
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<p><strong>Sure this gets around the "1024 cylinder" problem, but usually that is
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all that is needed. Linux, once it has started the kernel, supplies the
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drivers for further operation. The small partition is only used to
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accomidate the BIOS, whose ONLY function is to load the kernel anyway.
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</strong></p>
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<p><strong>I suppose an altrenative is to use "loadlin" under dos, but you still
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need to boot DOS, and the 1024 cylinder problem comes up again.
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</strong></p>
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<p><strong>I'm trying to get a solution that involves "minimum impact".
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<br>--
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Tom Watson I'm at work now (Generic short signature)
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</strong></p>
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<blockquote><IMG SRC="../../gx/dennis/bbub.gif" ALT="(!)" height="28" width="50" align="bottom">All true enough. My point is that my answers are not
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simply intended to show what works for me or what is
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minimum impact for one situation (usually a situation
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about which I'm given very little information). My
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answers try to cover a large number of likely situations
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and to suggest things that no one seems to have tried before
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(like the auto-rescue configuration I was babbling about).
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</blockquote>
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<blockquote>I've frequently suggested small partitions, LOADLIN,
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alternate root partitions, even floppy drive kernels.
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</blockquote>
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<blockquote>Another problem --- the source of this whole thread
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has to do with support for these Ultra-DMA drives that are
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over 8Gb. I guess that the most recent kernels (2.0.35 and
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later?) have support for a different IDE driver that can
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handle these. I thought I'd seen reports of problems with
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them. I commented on this in the hopes that someone would
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give me the scoop on <em>those</em>.
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</blockquote>
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<!-- end body -->
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<P> <hr> <P>
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<H5 align="center"><a href="http://www.linuxgazette.com/copying.html"
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>Copyright ©</a> 1998, James T. Dennis <BR>
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Published in <I>Linux Gazette</I> Issue 34 November 1998</H5>
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