Date: Thu, 16 Sep 2004 16:15:12 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: Kris Kennaway <kris@FreeBSD.ORG>, Sam <sah@softcardsystems.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: ZFS Message-ID: <20040916231512.GT72089@funkthat.com> In-Reply-To: <20040916225349.GA892@VARK.homeunix.com> References: <Pine.LNX.4.60.0409161031280.28550@athena> <20040916211837.GE70401@hub.freebsd.org> <20040916225349.GA892@VARK.homeunix.com>
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David Schultz wrote this message on Thu, Sep 16, 2004 at 18:53 -0400: > > Now, over a year of runtime, the raw data amounts to (according to > > Google Calculator): > > > > (100 (terabytes / sec)) * 1 year = 3.4697207 10^21 bytes > > > > or just over 2^71 bytes in a year. > > A UC Berkeley study has some interesting statistics on total > storage sold per year, including a breakdown by medium: > > http://www.sims.berkeley.edu/research/projects/how-much-info-2003/printable_magnetic.pdf > > They place the total storage sold in 2003 at 2^68 bytes and the > amount of original data produced at 2^62 bytes. Ummm.. Don't forget that pdf is only talking about megnetic media.. it doesn't include all the CD/DVD+-RW? discs sold.. A single store probably has close to a half petabyte of optical media too... Plus it doesn't include all the cd and dvd's sold either.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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