Does UBI support MLC nand flash?

Josh Boyer jwboyer at linux.vnet.ibm.com
Wed Jan 2 07:39:45 EST 2008


On Wed, 2 Jan 2008 14:19:16 +0800
Nancy <nancydreaming at gmail.com> wrote:

> oh, forgot to metion UBI.
> UBI has two headers for each LED/PED, they are not write at same time.
> Is that against MLC nand's no ramdom write and  write only once
> permission?

Not to my knowledge.  The second header is written to the second page
in the block if subpage writes aren't supported by the underlying
chip.  That should still work fine for MLC.

josh



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