UBI - exclude bootloader blocks from wear levelling

Artem Bityutskiy dedekind1 at gmail.com
Sat Jan 9 18:18:04 EST 2010


On Mon, 2009-12-21 at 15:12 -0800, Darwin Rambo wrote:
> My understanding is that wear levelling occurs across each ubi device,
> and if there were 4 volumes on it, then the wear levelling would be
> spread efficiently over the single large device. Then you probably get
> better wear levelling than if you had 4 smaller devices and 4 volumes.

Right.

WL works on UBI device, which corresponds to the attached MTD device. So
there is 1-1 mapping between MTD and UBI devices. And each UBI device
may contain many volumes.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)




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