[coLinux-users] Re: colinux 10gb

[gboutwel <gbo...@pr...>]

Tobias wrote:

> I have a 25GB parition and I am able to boot colinux from it.

> I had nearly no problem: "cp -ax / /mnt/partition" and starting

> with the partition. The only thing that I forgot in the beginning:
I did

> not copy the /dev/*.



Good to know.  Maybe I'll remove the item from the wiki.  Was
any of your partitions logical partitions in the extended partition,
where where they all primary partitions?



> I use it every day for half a year now (8GB file-image). Since

> two weeks ago I had nearly no problem. Since then, I have signs
of memory

> corruption: CoLinux´s ext3 Filesystem gets damaged, and the
whole

> Windows System goes crazy step by step.



ext3 will get corrupt, especially if coLinux crashes or is shutdown
improperly.  While this would probably not normally happen, with
coLinux/VMWare, etc we are a little at the mercy of when the
host OS decides to write out to disk.  If we crash or close improperly
we could have a situation where the host doesn't get the stuff
in memory that needed to go to disk out to disk (for various
and lots of reasons).  On ext3 that would cause corruption. 
You might try a better journaling filesystem (such as reiserfs
or XFS)



> At this point I tried the change from 0.6.1 to 0.6.2 and from
a

> file-based coLinux to a partition (without severe problems).
But

> now the ext3 Filesystem on the partition gets damaged. I will
check my

> hardware (memory and disk), but I think it´s a software problem.
(Checking

> the corrupted file-system repeatedly corrupted the Windows
Host (e.g.

> Mozilla had problems with scrolling and with displayin the
menu...)).



Extermely odd.  WIndows Host should not be that affected by coLinux
unless it's seriously crashing or causing reboots when being
run.



> This gave rise to the question: Now that I have the partition,

> can´t I use it with real Linux (overcoming the 512 MB -memory
limit of

> colinux (my machine has 2GB))? Here I ran into problems: Probably
because

> the  /etc/fstab has to be adopted, I could not mount the filesystem.



Yes you can install real Linux on the partition, boot into it
and have FULL access to all hardware, unlike coLinux which is
very limited.  Basically if you use 0.6.2, you use alias= in
your XML Config file for block_devices to make coLinux treat
cobd devices as if they where hd<whatever> or sd<whatever> devices.
 After you do that you'll probably still need to do 'profiles'
to prevent some things from happening in coLinux, that you want
happening when running real linux.  See the Mailing List Archives
for discussions of this stuff.  Or maybe someone running an set-up
like this can pitch in at this time.



> Do you have any pointers on booting coLinux and linux from
the

> same partition? I just got a thread mailed from a friend. Perhaps
this

> helps. I could write a wiki page on that...



Just the above, if you figure it out and get it working.  It
would benefit a lot of people if you'd write wiki page about
it.



George



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