3 Hard disk setup

First, mount your dos hard disk partition as a Linux subdirectory. For example, you could create a directory in Linux such as /dos (mkdir -m 755 /dos) and add a line like

   /dev/hda1       /dos     msdos   umask=022

  lredir d: linux\fs/dos

  lredir d: linux\fs\${home}

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Tim Bird (Tim_R_Bird@Novell.COM) states that LREDIR users should

be careful when they use LREDIR in the autoexec, because COMMAND.COM will continue parsing the autoexec.bat from the redirected drive as the same file offset where it left off in the autoexec.bat on the physical drive. For this reason, it is safest to have the autoexec.bat on the redirected drive and the physical drive (diskimage) be the same.

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Robert D. Warren (rw11258@xx.acs.appstate.edu) reported (4/28/94) that

I boot off a small hdimage file (less than 1 MB - and twice as large as needs be at that), and the next to last line in my config.sys file on the hdimage boot image is:

        
        install=c:\lredir.exe LINUX\FS\home/dos

At this time, compressed drives cannot be accessed via the redirector (lredir or emufs). However, many people have had success by simply uncommenting the

   disk { wholedisk "/dev/hda" }        # 1st partition on 1st disk

   disk { partition "/dev/hda1" 1 }

[WARNING: Make sure your dos partitions are not mounted and writeable from Linux while you are using dosemu with wholedisk or partition access. This is an easy way to destroy the data on your dos partition.]

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If LILO is installed, the above will not work. However...

Thomas Mockridge (thomas@aztec.co.za) reported (8/5/94) that

To boot dosemu with LILO and Stacker 4.0 I did a little work around...

1. dd the MBR to a file. (or norton utility, etc., first 512 bytes)

2. Boot dos (from full boot not emu), do a fdisk /mbr, make your dos partition active with (dos) fdisk.

3. Copy the new MBR to a file.

4. Replace the original MBR

5. Copy the second MBR to /var/lib/dosemu/partition.hda? (Whichever is your dos partition)

6. Set dosemu.conf

               disk {partition "/dev/hda? ?"}

7. Start dosemu and and voila! No LILO.

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Holger Schemel (q99492@pbhrzx.uni-paderborn.de) reported (2/10/94) that

Works even fine under DOSEMU with MS-DOS 6.0. If you have problems, then you have to edit the file 'DBLSPACE.INI' manually and change the disk letter to the letter your drive gets under DOSEMU.

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Darren J Moffat (moffatd@dcs.gla.ac.uk) also reported (3/27/94)

"...use 6.2 if you can get it!! Just make sure you have a lilo boot disk on hand since dos 6{.2} will change the MBR of the boot HD."

Corey Sweeney (corey@amiganet.xnet.com) reported (12/8/93) that

Sometimes when loading config.sys you will get a error message saying something like "error in line 6 of config.sys". The problem will go away if you add several carriage returns at the end of your config.sys.

Joep Mathijssen (joep@tm.tno.nl) reported (7/9/94) that

Last night I installed DOSEMU-0.52 on a DouBle'd disk (compressed file system for Linux). But when I tried to put a system on my hdimage, I got an "ERROR ON DRIVE C:" message. After putting the hdimage on a normal filesystem, it worked fine. Afterwards, I found the my compressed filesystem was ruined. Ah well, DouBle is an Alpha version, so problems like these can be expected.