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On Tue, Nov 29, 2005 at 12:04:39AM -0500, Theodore Ts'o wrote: > On Mon, Nov 28, 2005 at 01:53:51PM +0100, Lars Marowsky-Bree wrote: > > On 2005-11-21T11:19:59, J?rn Engel <joern@wohnheim.fh-wedel.de> wrote: > > > > > o Merge of LVM and filesystem layer > > > Not done. This has some advantages, but also more complexity than > > > seperate LVM and filesystem layers. Might be considers "not worth > > > it" for some years. > > > > This is one of the cooler ideas IMHO. In effect, LVM is just a special > > case filesystem - huge blocksizes, few files, mostly no directories, > > exports block instead of character/streams "files". > > This isn't actually a new idea, BTW. Digital's advfs had storage > pools and the ability to have a single advfs filesystem spam multiple > filesystems, and to have multiple adv filesystems using storage pool, > something like ten years ago. Something to keep in mind for those > people looking for prior art for any potential Sun patents covering > ZFS.... (not that I am giving legal advice, of course!) > > - Ted Having played a few months with a machine installed with advfs, I can say that I *loved* this FS. It could be hot-resized, mounted into several places at once (a bit like we can do now with --bind), and best of all, it was by far the fastest FS I had ever seen. I think that the 512 MB cache for the metadata helped a lot ;-) Regards, Willy - 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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