Re: [patch] Allow any filesystem on MTD Nand when Read Only

Thomas Gleixner
2004-05-06T09:53:17Z

On Thursday 06 May 2004 11:30, Srinivasu.Vaduguri@nokia.com wrote:
> >
> >How many times have you written the block in order for something like
> >this to occur?
>
> I haven't counted the number of times. But I remember reading some
> information, that even on multiple reads we do get bit errors and it is a
> symptom that the block slowly becoming bad after some time.

Hmm. Never seen this. I have some read only paritions which are accessed in
stress testing and I never have seen, that a block gets bad due to reading.

> But what I feel is, a read-only filesystem like cramfs is not that reliable
> on NAND flash. We have to detect a bad block early.

Yep, but you can only detect it while writing / erasing.

--
Thomas
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