Messages in this thread | | | Date | Sun, 27 Jun 1999 16:51:53 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: [patch] pagecache-2.3.9-H3, bmap & ext2fs cleanup patch |
| |
On Sun, 27 Jun 1999, Ingo Molnar wrote:
>On Sun, 27 Jun 1999, Andrea Arcangeli wrote: > >> BTW, I think that a filesystem that span over multiple devices could make >> better choices than raid, right? > >no, RAID is really a different concept, and it's filesystem independent.
Sure they are completly different things. You may span a multi-spanning-filesystm over many raid device and the filesystem won't ever notice that. Fun :).
>multi-device filesystems _might_ be useful but the cleanest way of >handling striping and/or redundancy is IMO MD at the block device layer.
I wouldn't call it cleanest, I would call it more generic/simpler. At the block device layer you lose the semantic of the write requests. (no one difference for reads of course)
>Caching and block allocation decisions are best done on the filesystem >level.
So why you said `no'? :)
Andrea
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |