77 lines
3.5 KiB
HTML
77 lines
3.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9">
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<TITLE>Jaz-drive HOWTO: Booting from a Jaz Cartridge</TITLE>
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<LINK HREF="Jaz-Drive-HOWTO-5.html" REL=previous>
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<LINK HREF="Jaz-Drive-HOWTO.html#toc6" REL=contents>
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</HEAD>
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<BODY>
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Next
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<A HREF="Jaz-Drive-HOWTO-5.html">Previous</A>
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<A HREF="Jaz-Drive-HOWTO.html#toc6">Contents</A>
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<HR>
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<H2><A NAME="s6">6. Booting from a Jaz Cartridge</A></H2>
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<H2><A NAME="ss6.1">6.1 BIOS Issues</A>
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</H2>
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<P>If the Jaz drive co-exists with other SCSI harddrives, most BIOSes will
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want to boot the disk that has the lowest SCSI Id. The Jaz drive can be
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set to SCSI Ids 0-6, and typically come out of the box set to SCSI Id 5.
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Some BIOSes detect and skip removable devices like the Jaz. If your
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BIOS will boot from a Jaz, you can set your main SCSI harddrive to SCSI
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Id 1, then you can change the Jaz from SCSI Id 5 to 0 when you want to
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boot from the Jaz.
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<P>More typically, the Jaz drive co-exists with an IDE harddrive. Nearly
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every BIOS will want to boot the first IDE harddrive. Some BIOSes will
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allow you change a setting in the BIOS setup to boot from a SCSI device
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first. Others may require you to disable the IDE drives in the BIOS
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setup. Still others may require detaching the IDE drives physically or
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disabling the IDE interface.
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<H2><A NAME="ss6.2">6.2 Installing Linux on a Jaz Cartridge</A>
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</H2>
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<P>Although running Linux from a Jaz cartridge is <EM>much</EM> slower than
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running from a harddrive, the Jaz drive makes an excellent ERD (Emergency
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Repair Disk). It's also fun to be able to just pop in some new Linux system
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or to try Linux on someone else's Jaz-equipped machine.
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<P>By far the easiest way to install Linux on the Jaz cartridge is simply to
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follow the install procedure for your favorite distribution with the Jaz
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drive being the only drive on the system. I've done this with RedHat 5.2,
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and it works perfectly. If you're not completely comfortable with doing
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weird, wild stuff with LILO, it's the only way to go.
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<P>If you want to do an "install" from your running system, you can
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often succeed in "building" a bootable system on a Jaz cartridge.
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<P>
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<UL>
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<LI>Partition the drive and make the filesystems. You probably need to
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have a swap partition, too, but if you have lots of RAM then maybe not.
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Mount the new root as /jaz and any additional partitions within that
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directory as appropriate.</LI>
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<LI>Copy all the files into place. Be sure all the <CODE>/dev</CODE>
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files are copied. Be sure all permissions, ownership and group ids
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are retained.</LI>
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<LI>Modify the files on the Jaz cartridge to suit the
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circumstances of booting from it. In particular be sure to change
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<CODE>/jaz/etc/fstab</CODE> to mount the Jaz cartridge partition(s) as
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appropriate. Also change <CODE>/jaz/etc/lilo.conf</CODE> to match as well.</LI>
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<LI>There are two alternatives for installing the LILO boot loader:
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<UL>
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<LI>Make a kernel image floppy and use <CODE>rdev</CODE> to make it
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mount the Jaz cartridge as root. Boot from the floppy when ready
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the first time then run LILO to make the Jaz MBR bootable.</LI>
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<LI>You can run LILO from your non-Jaz root running system to
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install the bootable MBR on the Jaz cartridge. For more information
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on this option, check out
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<A HREF="http://metalab.unc.edu/mdw/HOWTO/mini/LILO.html">Alessandro Rubini's LILO mini-HOWTO</A></LI>
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</UL>
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</LI>
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</UL>
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<HR>
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Next
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<A HREF="Jaz-Drive-HOWTO-5.html">Previous</A>
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<A HREF="Jaz-Drive-HOWTO.html#toc6">Contents</A>
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