Re: Prevent command prompt from popping up at system startup
- From: "Jure" <jure.br@xxxxxxxxx>
- Date: 6 Jan 2007 08:54:46 -0800
That's right. I call commit on boot time because actually it doesn't
matter when you issue this command, as long as it's done before the
system reboots, of course. And the boot time seemed the easiest
solution to me.
I'll also explain why I use such an approach, maybe anyone of you has a
better suggestion how to do that and I'll be gratefull for any help.
I'm using RAM Reg mode to protect the lifetime of the CompactFlash
where the system runs. The CompactFlash is 4GB in size, whereas the
system RAM is "only" 1GB, so it could be possible to fill up the whole
RAM. But since the user will be limited in its actions, that should
never occour. With that I mean that the system will boot in a custom
shell which is an application which allows only certain actions. To
tell the truth, I haven't tested the system in a long run yet, i.e.
running for a week, but I'll do it as soon as I have the chance.
I also thought of the possibility of filling up the RAM which would
lead to a system crash, but is there any other approach to protect the
CF? Maybe to commit the overly when the system runs, but as I know
that's impossible....
Regards,
Jure
KM wrote:
My guess is...
The actual commit is going to be done on graceful shutdown/reboot.
The storage is still protected (calls are redirected to the EWF overlay). So if sudden power loss occurs, it won't break the system.
And all the changes user makes are persistent. Sometime it may be required by a system specs.
However, there is still a risk factor in such approach. If RAM overlay used, user changes, if not controlled, may easy and quickly
increase the overlay size before the current session ends (reboot). The overlay will grow unlimitedly until it eats up all the
memory. Only cure (without being able to limit EWF overlay size) is to control what users can do at run time - lock the OS, shell,
turn off all possible OS, IE and app caches, disable background disk processes like defragmentator, etc.
--
=========
Regards,
KM
Jure wrote:
Thanks for your help. I'll do what you suggested.
.
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