[OpenWrt-Devel] [RFC] [mvebu] WRT1900AC syscfg as overlay

[mark milburn]

I should have looked at the code before posting.  :)

On Wed, Jan 14, 2015 at 6:21 AM, Imre Kaloz <kaloz at openwrt.org> wrote:
> Hi Mark,
>
>
> On Tue, 13 Jan 2015 22:18:13 +0100, mark milburn <mark.a.milburn at gmail.com>
> wrote:
>
>> I believe this is the appropriate forum for discussing this.  Let me
>> know if this is not the case.
>>
>> I think that employing the syscfg partition as the overlayfs is not
>> useful for this device, and for at least one case, harmful.
>>
>> The current setup that allows for a primary and alternate firmware
>> image to be loaded is useful, it adds insurance if you aren't using
>> the squashfs failsafe.  However:
>>
>> 1.  If a configuration problem prevents the device from booting, or
>> renders the device effectively inaccessible, booting to the alternate
>> image may not allow the device to be recovered.  I think this negates
>> the utility of having an alternate image.
>
>
>> 2.  One cannot test two different configurations effectively using two
>> different boot images.
>>
>> Provided it does not affect the ability of a user to flash his or her
>> firmware back to a manufacturer image, I would suggest that mtdparts
>> be redefined and syscfg removed.
>
>
> Mainline OpenWrt doesn't use syscfg as the overlay, we only use it to store
> the backup tarfile (if you choose to keep it) upon sysupgrading.
>
>
> Imre
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