Date: Wed, 15 Sep 2004 10:59:36 -0500 (EST) From: Sam <sah@softcardsystems.com> To: hackers@freebsd.org Subject: Re: ZFS Message-ID: <Pine.LNX.4.60.0409151047230.21034@athena> In-Reply-To: <41483C97.2030303@fer.hr> References: <41483C97.2030303@fer.hr>
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On Wed, 15 Sep 2004, Ivan Voras wrote: > It looks like Sun is going to obsolete their UFS: > http://www.sun.com/2004-0914/feature/?biga=15 > > Any comments? Anybody tried it yet? > It seems like they have built on and extented concepts presented by geom and > softupdates. > > Sun's been using a lot of ideas present in FreeBSD: jails, linux "emulation", > and now this, and extended them nicely into their "enterprise-grade" idea. It > would be interesting to try it in action :) > "Sun engineers wondered if the 64-bit capabilities of current file systems will continue to suffice over the next 10 to 20 years. Their answer was no. If Moore's Law holds, in 10 to 15 years people will need a 65th bit. As a 128-bit system, ZFS is designed to support more storage, more file systems, more snapshots, more directory entries, and more files than can possibly be created in the foreseeable future." Call me crazy, but does anyone else see this as hooey? 2^64 512B sectors is 8192 zettabytes (zetta, exa, peta, tera, ...). I'm also wondering what perversion of moore's law is applicable to storage consumption. Crappy marketing articles. Sam
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