colinux-devel

Re: [coLinux-devel] Is there a way to increase total memory?

[Jonathan B. <sac...@ya...>]

> Is there an easy way to increase total memory?  29MB
just isn't enough to
do
> anything graphical.

An easy way?  Okay:

* shutdown coLinux  [ "shutdown -h now" ]
* change directory to your coLinux installation  [
C:\coLinux by default ]
* copy "Debian-3.0.r0.ext3.1gb" to "cobd.1"
* copy "default.colinux.xml" to "colinux.xml"
* edit colinux.xml to add device index #1, like:

<?xml version="1.0" encoding="UTF-8"?>
<colinux>
    <block_device index="0"
path="\DosDevices\c:\coLinux\Debian-3.0r0.ext3.1gb"
enabled="true">
    </block_device>
    <block_device index="1"
path="\DosDevices\c:\coLinux\cobd.1"
enabled="true">
    </block_device>
    <bootparams>root=/dev/cobd0</bootparams>
    <image path="vmlinux"></image>
</colinux>

* startup coLinux-daemon with the new config  [
"colinux-daemon -d -c
colinux.xml" ]
* login as root
* $ mkdir /mnt/cobd1
* $ mkfs.ext3 /dev/cobd1
* $ mount /dev/cobd1 /mnt/cobd1
* $ cd /mnt/cobd1
* $ dd if=/dev/zero of=swapfile bs=1024 count=262144  
  [ 1024*bs*256=256MB
swapfile ]
* edit /etc/fstab and add entries for cobd1 and the
swapfile in mount order,
like:

/dev/cobd0 / ext2 defaults 0 1
proc /proc proc defaults 0 0
/dev/cobd1 /mnt/cobd1 ext2 defaults 0 2
/mnt/cobd1/swapfile none swap defaults 0 0

* $ mount -a
* $ swapon -a

If you used my numbers, you have an extra 256MB of
memory.  Since coLinux
runs on NT, there is no need to format a swap
partition or device unless you
need the extra speed with raw access.  The swapfile
should perform
practically the same as a swap device.   And, you can
use the extra rest of
cobd1 as a regular mounted drive with a swapfile.

If you want a larger cobd1 filesystem before you make
cobd1, from NT:

copy
Debian-3.0.r0.ext3.1gb+Debian-3.0.r0.ext3.1gb+Debian-3.0.r0.ext3.1gb+Debian-
3.0.r0.ext3.1gb cobd.1

That would give you a 4GB device.

I thought I would make a utitility to do these steps
easier.  Still
thinking...




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Re: [coLinux-devel] Is there a way to increase total memory?

[Michael H. <hal...@ho...>]

Jonathan,

  Have you tried to make the 4 gig file?  If so what did you do in order to 
format it?  I have not been able to do so sucessfully.

Mike


>From: Jonathan Ballard <sac...@ya...>
>To: Michael Haller <hal...@ho...>,  coLinux Development 
><col...@li...>
>Subject: Re: [coLinux-devel] Is there a way to increase total memory?
>Date: Wed, 11 Feb 2004 09:01:55 -0800 (PST)
>
> > Is there an easy way to increase total memory?  29MB
>just isn't enough to
>do
> > anything graphical.
>
>An easy way?  Okay:
>
>* shutdown coLinux  [ "shutdown -h now" ]
>* change directory to your coLinux installation  [
>C:\coLinux by default ]
>* copy "Debian-3.0.r0.ext3.1gb" to "cobd.1"
>* copy "default.colinux.xml" to "colinux.xml"
>* edit colinux.xml to add device index #1, like:
>
><?xml version="1.0" encoding="UTF-8"?>
><colinux>
>     <block_device index="0"
>path="\DosDevices\c:\coLinux\Debian-3.0r0.ext3.1gb"
>enabled="true">
>     </block_device>
>     <block_device index="1"
>path="\DosDevices\c:\coLinux\cobd.1"
>enabled="true">
>     </block_device>
>     <bootparams>root=/dev/cobd0</bootparams>
>     <image path="vmlinux"></image>
></colinux>
>
>* startup coLinux-daemon with the new config  [
>"colinux-daemon -d -c
>colinux.xml" ]
>* login as root
>* $ mkdir /mnt/cobd1
>* $ mkfs.ext3 /dev/cobd1
>* $ mount /dev/cobd1 /mnt/cobd1
>* $ cd /mnt/cobd1
>* $ dd if=/dev/zero of=swapfile bs=1024 count=262144
>   [ 1024*bs*256=256MB
>swapfile ]
>* edit /etc/fstab and add entries for cobd1 and the
>swapfile in mount order,
>like:
>
>/dev/cobd0 / ext2 defaults 0 1
>proc /proc proc defaults 0 0
>/dev/cobd1 /mnt/cobd1 ext2 defaults 0 2
>/mnt/cobd1/swapfile none swap defaults 0 0
>
>* $ mount -a
>* $ swapon -a
>
>If you used my numbers, you have an extra 256MB of
>memory.  Since coLinux
>runs on NT, there is no need to format a swap
>partition or device unless you
>need the extra speed with raw access.  The swapfile
>should perform
>practically the same as a swap device.   And, you can
>use the extra rest of
>cobd1 as a regular mounted drive with a swapfile.
>
>If you want a larger cobd1 filesystem before you make
>cobd1, from NT:
>
>copy
>Debian-3.0.r0.ext3.1gb+Debian-3.0.r0.ext3.1gb+Debian-3.0.r0.ext3.1gb+Debian-
>3.0.r0.ext3.1gb cobd.1
>
>That would give you a 4GB device.
>
>I thought I would make a utitility to do these steps
>easier.  Still
>thinking...
>
>
>
>
>__________________________________
>Do you Yahoo!?
>Yahoo! Finance: Get your refund fast by filing online.
>http://taxes.yahoo.com/filing.html

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Re: [coLinux-devel] Is there a way to increase total memory?

[Jonathan B. <sac...@ya...>]

>   Have you tried to make the 4 gig file?  If so what
did you do in order
to
> format it?  I have not been able to do so
sucessfully.

Check the size of the created file and see if it is
equal to 4GB.  If not,
the copy command defaulted to text mode.  Do a "copy/b
..." to get a binary
mode copy.

Then follow the rest of the procedures to format:

----- Original Message -----
From: "Michael Haller" <hal...@ho...>
[...]
> >* $ mkdir /mnt/cobd1
> >* $ mkfs.ext3 /dev/cobd1
[...]


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Re: [coLinux-devel] Is there a way to increase total memory?

[Michael H. <hal...@ho...>]

Doing it that way gives the following error:

mkswap: error: swap area needs to be at least 40kB
Usage: mkswap [-c] [-v0|-v1] [-pPAGESZ] /dev/name [blocks]


and I've been spoiled with gentoo linux... in order to make a swap all I 
normally need to type is 'mkswap /dev/hdxx'


>From: ePAc <ep...@ko...>
>To: Jonathan Ballard <sac...@ya...>
>CC: Michael Haller <hal...@ho...>,        coLinux Development 
><col...@li...>
>Subject: Re: [coLinux-devel] Is there a way to increase total memory?
>Date: Wed, 11 Feb 2004 11:22:54 -0800 (PST)
>
> > <?xml version="1.0" encoding="UTF-8"?>
> > <colinux>
> >     <block_device index="0"
> > path="\DosDevices\c:\coLinux\Debian-3.0r0.ext3.1gb"
> > enabled="true">
> >     </block_device>
> >     <block_device index="1"
> > path="\DosDevices\c:\coLinux\cobd.1"
> > enabled="true">
> >     </block_device>
> >     <bootparams>root=/dev/cobd0</bootparams>
> >     <image path="vmlinux"></image>
> > </colinux>
>
>that is good.
>
> >
> > * startup coLinux-daemon with the new config  [
> > "colinux-daemon -d -c
> > colinux.xml" ]
> > * login as root
>
>that is not necessary:
>
> > * $ mkdir /mnt/cobd1
> > * $ mkfs.ext3 /dev/cobd1
> > * $ mount /dev/cobd1 /mnt/cobd1
> > * $ cd /mnt/cobd1
> > * $ dd if=/dev/zero of=swapfile bs=1024 count=262144
> >   [ 1024*bs*256=256MB
> > swapfile ]
> > * edit /etc/fstab and add entries for cobd1 and the
> > swapfile in mount order,
> > like:
> >
> > /dev/cobd0 / ext2 defaults 0 1
> > proc /proc proc defaults 0 0
> > /dev/cobd1 /mnt/cobd1 ext2 defaults 0 2
> > /mnt/cobd1/swapfile none swap defaults 0 0
> >
> > * $ mount -a
> > * $ swapon -a
> >
>
>that on the other hand, is extra work.
>
>why not use the "raw" cobd for swap ?
>
>you should be able to do:
>
>mkswap /dev/cobd1
>and add
>---8<---8<---
>/dev/cobd1	none	swap	defaults
>---8<---8<---
>to your fstab and have the same result, without using an extra
>mountpoint...
>then the same swapon -a .. the fstab, the next time you boot should take
>care of doing the swapon for you.. :o)
>
>Jok
>
>
>---
>Nothing is foolproof to a sufficiently talented fool...
>   oo
>,(..)\
>   ~~

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Re: [coLinux-devel] Is there a way to increase total memory?

[Sean B. <sea...@so...>]

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Re: [coLinux-devel] Is there a way to increase total memory?

[Ballard J. <sac...@ho...>]

> > > /dev/cobd1 /mnt/cobd1 ext2 defaults 0 2

That should read "ext3" instead of ext2 if mkfs.ext3 is used.

Re: [coLinux-devel] Is there a way to increase total memory?

[Ballard J. <sac...@ho...>]

And, I forgot the thing about "mkswap" before the ... um... dang it... you
know.

----- Original Message -----
From: "Ballard Jonathan" <sac...@ho...>
To: <col...@li...>
Sent: Wednesday, February 11, 2004 1:39 PM
Subject: Re: [coLinux-devel] Is there a way to increase total memory?


> > > > /dev/cobd1 /mnt/cobd1 ext2 defaults 0 2
>
> That should read "ext3" instead of ext2 if mkfs.ext3 is used.
>
>
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Re: [coLinux-devel] Is there a way to increase total memory?

[Sean B. <sea...@so...>]

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Re: [coLinux-devel] Is there a way to increase total memory?

[ePAc <ep...@ko...>]

> <?xml version="1.0" encoding="UTF-8"?>
> <colinux>
>     <block_device index="0"
> path="\DosDevices\c:\coLinux\Debian-3.0r0.ext3.1gb"
> enabled="true">
>     </block_device>
>     <block_device index="1"
> path="\DosDevices\c:\coLinux\cobd.1"
> enabled="true">
>     </block_device>
>     <bootparams>root=/dev/cobd0</bootparams>
>     <image path="vmlinux"></image>
> </colinux>

that is good.

>
> * startup coLinux-daemon with the new config  [
> "colinux-daemon -d -c
> colinux.xml" ]
> * login as root

that is not necessary:

> * $ mkdir /mnt/cobd1
> * $ mkfs.ext3 /dev/cobd1
> * $ mount /dev/cobd1 /mnt/cobd1
> * $ cd /mnt/cobd1
> * $ dd if=/dev/zero of=swapfile bs=1024 count=262144
>   [ 1024*bs*256=256MB
> swapfile ]
> * edit /etc/fstab and add entries for cobd1 and the
> swapfile in mount order,
> like:
>
> /dev/cobd0 / ext2 defaults 0 1
> proc /proc proc defaults 0 0
> /dev/cobd1 /mnt/cobd1 ext2 defaults 0 2
> /mnt/cobd1/swapfile none swap defaults 0 0
>
> * $ mount -a
> * $ swapon -a
>

that on the other hand, is extra work.

why not use the "raw" cobd for swap ?

you should be able to do:

mkswap /dev/cobd1
and add
---8<---8<---
/dev/cobd1	none	swap	defaults
---8<---8<---
to your fstab and have the same result, without using an extra
mountpoint...
then the same swapon -a .. the fstab, the next time you boot should take
care of doing the swapon for you.. :o)

Jok


---
Nothing is foolproof to a sufficiently talented fool...
  oo
,(..)\
  ~~

Re: [coLinux-devel] Is there a way to increase total memory?

[Ballard J. <sac...@ho...>]

> why not use the "raw" cobd for swap ?

I have not fully tested a 1GB swap device (file or block device) with only
26MB of kernel memory.  Let us know if it works.  One page of swap of memory
allocated 2 bytes of kernel memory.

Re: [coLinux-devel] Is there a way to increase total memory?

[Richard G. <ric...@ri...>]

I documented making a swap file in a previous email and it worked fine. In
addition, I just made a 1gb swap file by mounting a copy of the 1gb debian
image as /dev/cobd1, booting into cL, doing mkswap /dev/cobd1, and swapon
/dev/cobd1. Seems to work fine from this end.
----- Original Message ----- 
From: "Ballard Jonathan" <sac...@ho...>
To: "ePAc" <ep...@ko...>
Cc: "Michael Haller" <hal...@ho...>; "coLinux Development"
<col...@li...>
Sent: Wednesday, February 11, 2004 2:24 PM
Subject: Re: [coLinux-devel] Is there a way to increase total memory?


> > why not use the "raw" cobd for swap ?
>
> I have not fully tested a 1GB swap device (file or block device) with only
> 26MB of kernel memory.  Let us know if it works.  One page of swap of
memory
> allocated 2 bytes of kernel memory.
>
>
>
> -------------------------------------------------------
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> _______________________________________________
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>
>

Re: [coLinux-devel] Is there a way to increase total memory?

[Bart K. <bar...@su...>]

>Is there an easy way to increase total memory?  29MB

On my system, coLinux starts to eat up the whole system memory wich 
after a while slows down both Windows and Linux. Therefore I increased 
the "memory" by adding a swapdrive. Initially this seems to give some 
relief. After a while nearly all system memory is in use again and 
switching from coLinux <> WindowsXP (1.8G + 512M mem) becomes very slow. 
It would be nice to limit the maximum of system resources (memory) cL 
uses, forcing it to use the cL swap-disk instead of the Windows-swap.

I also have a problem with my filesystem: since the cL seems to be 
unable to set the OS-time on boot, I have to do a fsch on the 
filesystems every boot, than remount and give an init3 (or init5). 
Running with ext3 seems not to bother.

The systems runs for about 30 minutes than it dies, without error 
warnings. This has been since the install, so I think I have to await a 
new version and start allover.

To tease the system, I upgraded to SID and installed KDE - all seems to 
be fine, but a bit slow due to the leak of system resources.

Any tips?

Bart

---
Bart Kerver

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