Messages in this thread | | | Subject | Re: ext4 features (checksums) | From | Krzysztof Halasa <> | Date | Tue, 04 Jul 2006 13:19:11 +0200 |
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Neil Brown <neilb@suse.de> writes:
> With checksums - the filesystem is in a better position to: > - be selective about what is checksummed - no point checksumming > blocks that aren't part of any file. Some blocks (highlevel > metadata) might always be checksummed, while other blocks > (regular data) might not if a 'fast' option was chosen.
The same applies to RAID - for example, why "synchronise" unused area?
While fs vs. RAID provides a good layering scheme and is easier, integrating them into one entity (as with ZFS) would certainly be more efficient (and probably harder to maintain). -- Krzysztof Halasa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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