From: Marco Peereboom (slashpeereboom.us)
Date: Tue Apr 01 2008 - 13:18:36 CDT

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I suggest you add read/write/read capacity(16) for those extra super
large memory machines.

On Tue, Apr 01, 2008 at 06:00:38PM +0000, mickey wrote:
> re
> 80s are back and so is HIMEM.SYS now for the modern 32bit
> architecture known as i386 or "that intel crap."
>
> yes as you can have guessed already it gives your >4G
> memory another chance at life reincarnated as scsi disk.
>
> http://mickey.lucifier.net/himem.sys
>
> you can read it write it and damn swap on it if you want!
> credit shall be given to mpf for a productive discussion
> where this most atypical concept had been born few months
> ago and later became stations creation in about 30h (and
> a bottle of port) and later debugged/tested in a few more
> other more sober hours...
>
> few caveats:
> - man page coming soon!
> - booting is not supported (yet);
> - one needs to disklabel+newfs(or dd(2) some image) it before use;
> - it will get some performance improvement;
> - not stress-tested much (yet).
>
> here is samples:
> himem0 at root: size 768MB
> scsibus2 at himem0: 1 targets
> sd2 at scsibus2 targ 0 lun 0: <McIkye, HIMEM drive, 1.0> SCSI2 0/direct fixed
> sd2: 768MB, 12 cyl, 255 head, 63 sec, 4096 bytes/sec, 196608 sec total
>
> # dd if=/dev/rsd2c of=/dev/null bs=256k
> 3072+0 records in
> 3072+0 records out
> 805306368 bytes transferred in 0.806 secs (998241492 bytes/sec)
>
> # ps auxwwk | fgrep himem
> root 17 1.2 0.0 0 0 ?? DK 5:33PM 0:00.41 (himem.sys)
>
>
> --
> paranoic mickey (my employers have changed but, the name has remained)

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