Date: Sat, 23 Aug 2003 09:28:15 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Peter Wemm <peter@wemm.org> Cc: cvs-src@FreeBSD.org Subject: Re: cvs commit: src/sys/geom geom_ccd.c Message-ID: <23689.1061623695@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 22 Aug 2003 14:48:41 PDT." <20030822214841.22D7D2A8C1@canning.wemm.org>
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In message <20030822214841.22D7D2A8C1@canning.wemm.org>, Peter Wemm writes: >Peter Jeremy wrote: >> On Fri, Aug 22, 2003 at 04:24:43AM -0700, Paul Saab wrote: >> >This was done with a 12 port 3ware with 12x250gig (really 232.88GB) >> >disks all in 3U. >> >> How are you going to back it up? > >You haven't seen the tape silo that I saw on wednesday :-). It impressed >the hell out of me, even with my hard-core hardware cynic hat on. > >I *think* it was this beastie: >http://www.storagetek.com/prodserv/products/tape/9310/ >144,000 tape cartridges per silo >28.8 PetaBytes storage per silo >100TB per hour backup capacity > >I want one for home so that I can back up my mail inbox :-) I was lightly involved in seeing ICMWF move their four silos. They had six of their operators spend an entire day moving tapes in wheelbarrows from one room to the next :-) Once you get into that amount of storage you either have two copies already or you live with your losses. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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