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RE: OS/2 Warp Compression



Sorry this is drifting off the topic of the TP750.

In message Sat, 10 Dec 1994 16:54:17 -0500 (EST),
  "Darren P. McCabe" <halinatr@gwis2.circ.gwu.edu>  writes:

> On Sat, 10 Dec 1994, John H. Kim wrote:

>>    What most of us do is leave it running.  I spend far less time
>> waiting for  OS/2 to reboot once every few days....
>
> Which I tend to do as well, but isn't rebooting the only way to reset the
> size of the swapfile?

The swapfile will shrink on its own, *very* slowly.  The idea is that if
you needed all that swap space recently, you'll probably need it again.
I take it you have the swapfile in the same partition as all your data and
this behavior is irritating?  There are config.sys parameters to control
the initial size of the swapper, and how much space it should leave free.
Type "help swappath" from a command prompt.  Unfortunately, there isn't a
parameter to control the maximum size - you'll just have to set the free
space parameter very high.

>  Also, do you just use suspend mode, or are you
> going into hibernation (Which I never use).... I have just been booting
> up only once a day, and turning off at night.

Yes, I use the suspend mode if I'm taking the computer someplace unplugged.
Otherwise I just leave it.  The backlight turns off when I close the lid
(or if it's been sitting idle for a few minutes), and I've set the hard
drive to spin down after a few minutes.

>>    That's the right file.  Are you sure you're using it correctly?  I
>>  asked the  authors if there's a way to make it compress OS/2's system
>> files but they  haven't answered.
>
> Hmmmmm.  Well then I may not be using it correctly.  I told it to mirror
> my D: (OS/2 HPFS) drive with H:, like in the instructions.  But it seems
> to indicate you have to tell it what files to compress, like simlply
> zipping them.  What I did was type ZSPACK D:\software\FLG, which is my
> Lotus Freelane directory.  After that, I was under the impression the
> files would program like normal, but they didn't. Did I do something
> wrong?

Yeah.  The docs aren't very well organized.  It can't compress entire
directories at once right now.  You *can* compress using wildcards.  But
the easiest way is just to copy the stuff to the h: drive.  After you've
attached a Zipstream drive (h: in your case), you can use it just like any
other drive.  The original files are stored on d: in raw format - either
compressed or uncompressed.  If you try to view/run a compressed file on
your d: drive, it'll look/act like garbage.  But if you go to the mirror
h: drive and look at the same file, zipstream will decompress it for you
on the fly.  (uncompressed files look the same on the d: and h: drives)

You can compress files directly on the d: drive with ZSPACK, or you can copy
it to the h: drive, which will compress it automatically (you'll hear your
hard drive at work long after the copy command is "finished").  It'll make
a compressed version of your file on your d: drive so you can delete the
original.  The nice thing about being able to pick and choose which files
to compress is that if you're finding a particular file takes too long to
decompress, you can just leave it uncompressed.  You'll have to redirect
any drive letters the program uses from d: to h: though.

You can also do some thoughtful drive organization with the ZSATTACH
program.  I use f: for ftp stuff, g: for programs, and h: for data.
All these drives are actually directories on my D: drive.

> I use a Colorado Trakker 250, and have not tried to back up since the
> install. Anyone else using such a device with OS/2 on a thinkpad USING
> the HPFS? I may need new software.....

This one you'll have to ask in the OS/2 newsgroups:  comp.os.os2.apps seems
most appropriate.
 _____________________________________________________________________
|\_____________________________________________________________________\
| |                                                                     |
| | John H. Kim    "None of what you are seeing is actually happening." |
| | jokim@mit.edu        - disclaimer for TV movie 'Without Warning'    |
| | jokim@uni.uiuc.edu     jokim@tuna.mit.edu does not work (yet)       |
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