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Re: linux and flash disks



On Thu, 25 Sep 1997 10:29:14 -0700, Paul Rubin wrote:

>>I'm sure it's not too hard.  If one had enough money to spend, a 40MB
>>drive might be able to have X and Emacs (MAYBE), and you
>>could boot with a boot disk and use the mount root=/dev/whatever
>>command, or boot from the hard drive, and mount the
>>Flash card under /USR.
>
>40 MB is more than plenty for X, Emacs, and other basic utilities.
>Remember that 40 MB was a respectably sized disk drive when those
>programs were written.  But there are some problems with doing things
>so simply:
>  1) If the root is on the hard disk, it still seems likely to spin
>     up every now and then.  So it's probably best to have the root
>     on the flash card.
>  2) If /usr is on the flash card, a lot of the files and directories
>     there must be replaced by symlinks pointing to the hard disk.
>  3) If the hard disk is mounted as a file system, I still fear that
>     it might spin up unnecessarily sometimes.  So it may be necessary
>     to automount it by NFS and unmount it when not in use.
>
>But all of this should be doable with some effort.
>
>Somewhat harder is the case with the 10 MB flash card, which is
>not really enough for the most common system and user files.
>For that case, the idea of putting system files into a ramdisk
>and user files on the flash card sounds doable, but more work.
>
>It's kind of interesting to see what happens to OS configuration
>when ram is cheaper than "disk" space.
>
I think that I might be willing to try it out, and put the hibernation 
file on another partition.  So, how can I get a Slackware kernel with
APM, PCMCIA, and ESS688 support, where I DON'T have to compile
it myself?  I want X, some of the terminal games (not all), XLock,
and "maybe" XEmacs.  I don't really know much about Emacs in
general, except that it is apparently a must-have program for UNIX
users.

Paul