[comp.sys.amiga.tech] RAD:

joe@dayton.UUCP (Joseph P. Larson) (09/11/89)

We just upgraded the 500 at work to a 3-meg machine.  Does really
nice things to the speed of things when you never touch the disk after
bootup.

Anyways, I wanted to try something -- make a larger RAD:.  It complained
when I changed the highcyl value to 120 -- "Not a DOS disk".  So I changed
it back to 79 and created a second RAD: entry, renaming it to RD2:, and
tried that.  Machine eventually crashed.

So -- is there anything I can do to obtain an extra 300K or so of
recoverable ramdisk space?  I've got memory to burn, you see.  I can just
use RAM:, but that doesn't survive the occassional crash or necessary
reboot terribly well.

-Joe
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Life is a cabaret (old chum).
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shadow@pawl.rpi.edu (Deven T. Corzine) (09/13/89)

On 11 Sep 89 14:27:29 GMT, joe@dayton.UUCP (Joseph P. Larson) said:

joe> Anyways, I wanted to try something -- make a larger RAD:.  It
joe> complained when I changed the highcyl value to 120 -- "Not a DOS
joe> disk".  So I changed it back to 79 and created a second RAD:
joe> entry, renaming it to RD2:, and tried that.  Machine eventually
joe> crashed.

I don't know how large you can manage to make RAD:, but whenever you
change the size of RAD: while an old one exists (whether mounted yet
or not) you will get the "Not a DOS disk" error.  You can either do a
RemRAD and reboot, and it will recreate it from scratch, or you can
simply mount the new sized one and format it.  (It's fun to watch RAD:
format...  it FLIES.)

Deven
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Simple things should be simple and complex things should be possible.

fgd3@jc3b21.UUCP (Fabbian G. Dufoe) (09/13/89)

From article <6757@dayton.UUCP>, by joe@dayton.UUCP (Joseph P. Larson):
> Anyways, I wanted to try something -- make a larger RAD:.  It complained
> when I changed the highcyl value to 120 -- "Not a DOS disk".  So I changed
> it back to 79 and created a second RAD: entry, renaming it to RD2:, and
> tried that.  Machine eventually crashed.

     Did you make a renamed copy of your RAD: handler and edit it to have a
different name or did you just rename RAD: with a relabel command?  I ran a
second RAD: for a while and it worked OK.

     Copy sys:devs/ramdrive.device to sys:devs/ramdriv2.device.  The use a
disk editor to change "ramdrive" to "ramdriv2" and "RAMB0" to "RAMB1" in
ramdriv2.device.  Then add a second mountlist entry for RD2:, for example.

     I hope I have't left out anything.

--Fabbian Dufoe
  350 Ling-A-Mor Terrace South
  St. Petersburg, Florida  33705
  813-823-2350

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