-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > > I belive that is what LVM is for > > OK. i read sistina's page about LVM and I'm still not quite sure I > understand. Is this just a version of software raid striping? why > couldn't this guy do what he wants with raid? > > I'm not debating your answer, I'm intrigued. what's the difference?
My understanding is that LVM and raid are very different. Your probably right that one can mimick the other in certain setups. LVM is for making multiple disks and partitions appear as one logical device to the OS. AFAIK raid is only for dealing with multiple disks when you want reduncy (for data protection) and stripping (for speed), and doesnt deal (unless you use software raid i think) with multiple partitions on the same disk. LVM does not provide redundancy/stipping but treats a series of disks as one logical disk, and i imagiane doesnt optimise to haveing some data on one disk, and some on another. I have however never used either so i could be completely wrong. I also believe that raid arrays have to made of identical disks, and LVM can use any disk (including non hard disk devices). Hope this provides some insight, but double check any info before you rely on it, as some could be (and probably is) slightly wrong. Tom - -- Tom "Tomahawk" Badran Department of Computing, Imperial College - ----------------------------------------------- PGP Key available from certserver.pgp.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE8CPonXCpWOla2mCcRAqNEAJ9tHIXLcK04R4xyLQgtiZiqAIYQ+wCeIWdY wfS+hIlc1YdfphYk1ArTBdM= =OM4b -----END PGP SIGNATURE-----
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