Re: ext4 features

From: Alan Cox
Date: Mon Jul 03 2006 - 17:53:58 EST


Ar Llu, 2006-07-03 am 23:01 +0200, ysgrifennodd Arjan van de Ven:
> raid is great for protecting against individual disks or sectors going
> bad. But raid, especially high performance implementations, do not
> checksum data or detect corruptions.
>
> They're different purpose with almost zero overlap in purpose or even
> goal...

Same layer though - checksums are really a device mapper type problem
rather than an fs type problem.

Alan

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