[maemo-developers] [maemo-developers] Re: [maemo-users] 'Locking down' software installation

From: Eero Tamminen eero.tamminen at nokia.com
Date: Thu Feb 15 18:38:10 EET 2007

ext Andy Mulhearn wrote:
>>>> So are you looking to move away from the System Upgrade := reflash 
>>>> device model? If so, then GOOD!
>>> To be honest I prefer this route now, if only from the point of view
>>> that if I bork my device I can reflash an image and get it working
>>> again.
>> I am not sure if there will always be flash image for each version of
>> the meta package, but there will always be reasonably recent flash
>> images so that upgrading from one to the latest 'patch level' should
>> not be daunting.
> I suppose that depends on how reliable is the incremental flash process. If it's 100% then there should be no problems with what you suggest. 
> My only concern would be getting into a Windows XP-like situation where you reinstall with XP SP1 becaude that's what came with your system and then have to install SP2 and 100+ hotfixes to get back to where you were.
> Microsoft have put a lot of effort into windows update to get around the fact that they can't redistribute windows CDs where with the N770/N800 we're in the reverse situation where redistribution of the firmware image is relatively painless.
> It also occurs to me that when you reflash, you know you have to do a backup or you lose your data. The fact that when you boot for the first time with a fresh image, the N800 sees the backups and offers to reinstall your settings makes that a relatively painless process. 
> But if you can just apply a major firmware upgrade by accepting it in application manager and you don't think to backup first, what happens it goes wrong leaving you with an unworkable system?

Good point, I think the application manager should prompt user
to do a backup before trying to do a system upgrade.

> Andy, voting for both the old and the new approach...

	- Eero

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