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61 lines
2.5 KiB
Plaintext
61 lines
2.5 KiB
Plaintext
For a normal CDROM or network installation, all you need to copy onto an
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actual floppy from this directory is the boot.flp image (for 1.44MB floppies).
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If you're on the ALPHA then the boot.flp image is probably larger
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than any kind of floppy you have available and you will need to
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either netboot it, load it from some other type of media (such
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as a jaz drive) or use the kern.flp image described below.
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This release still uses only one installation floppy, the boot.flp
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image. For convenience (and for the DEC ALPHA architecture, on which
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binaries are quite a bit larger), however, we also provide the
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functionality of boot.flp now "decoupled" into a kern.flp image,
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which contains just the boot kernel, and mfsroot.gz, which contains
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the compressed MFS root image that is normally stored as part of
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the kernel itself on the boot.flp image. This allows you to boot
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from kern.flp, which will fit on a 1.44MB floppy even on the alpha,
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and then load mfsroot.gz from a 2nd floppy. This also allows you
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to easily make your own boot or MFS floppies should you need to customize
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some aspect of the installation process. As long as the kernel is compiled
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with ``options MFS'' and ``options MFS_ROOT'', it will properly
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boot an mfsroot.gz image when run. The mfsroot.gz image is simply
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a gzip'd filesystem image, something which can be made rather
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easily using vnconfig(8). If none of this makes any sense to you,
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don't worry about it - just use the boot.flp image as always; nothing
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has changed there.
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NOTE: The *.flp images are NOT DOS files! You cannot simply copy them
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to a DOS or UFS floppy as regular files, you need to *image* copy them
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to the floppy with fdimage.exe under DOS or `dd' under UNIX.
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For example:
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To create the boot floppy image from DOS, you'd do something like
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this:
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C> fdimage boot.flp a:
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Assuming that you'd copied fdimage.exe and boot.flp into a directory
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somewhere. If you were doing this from the base of a CD distribution,
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then the *exact* command would be:
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E> tools\fdimage floppies\boot.flp a:
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If you're creating the boot floppy from a UNIX machine, you may find
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that:
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dd if=floppies/boot.flp of=/dev/rfd0
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or
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dd if=floppies/boot.flp of=/dev/floppy
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work well, depending on your hardware and operating system environment
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(different versions of UNIX have totally different names for the
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floppy drive - neat, huh? :-).
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The only image which is copied onto a floppy as an ordinary file is
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mfsroot.gz, should you actually be using that image for something.
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