Date: Wed, 12 Jun 1996 00:27:11 -0400 (EDT) From: Mark Hahn <hahn@neurocog.lrdc.pitt.edu> To: fs@freebsd.org Subject: Re: Breaking ffs - speed enhancement? Message-ID: <199606120427.VAA25458@freefall.freebsd.org> In-Reply-To: <199606120333.UAA04275@silvia.HIP.Berkeley.EDU> from "Satoshi Asami" at Jun 11, 96 08:33:05 pm
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> Speaking of filesystems, does anyone know about works done on very > large (disk) filesystems? By "large", I'm talking in the range of > 100GB - 5TB. large fs's are usually populated by larger-than-normal files. > > I know that FFS will have some problems once we go over about 200GB > (multi-hour fsck being one). But all we can find are studies on > tape-based systems (how to migrate stuff to/from disk, etc.)... log-structuring is the obvious response: simply never have to do fsck, or at least nothing proportional to the total size, rather than proportional to the amount of activity... regards, mark hahn. -- operator may differ from spokesperson. hahn@neurocog.lrdc.pitt.edu http://neurocog.lrdc.pitt.edu/~hahn/
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