Date: Tue, 15 Feb 2000 21:28:40 -0600 (CST) From: Joe Greco <jgreco@ns.sol.net> To: brooks@one-eyed-alien.net (Brooks Davis) Cc: jwm@CSUA.Berkeley.EDU, brooks@one-eyed-alien.net, peter@netplex.com.au, jgreco@ns.sol.net, hackers@FreeBSD.ORG Subject: Re: Filesystem size limit? Message-ID: <200002160328.VAA02580@aurora.sol.net> In-Reply-To: <20000215191643.A27699@orion.ac.hmc.edu> from Brooks Davis at "Feb 15, 2000 7:16:43 pm"
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> On Tue, Feb 15, 2000 at 06:27:03PM -0800, John Milford wrote: > > Brooks Davis <brooks@one-eyed-alien.net> wrote: > > > > > On Tue, Feb 15, 2000 at 11:24:30AM -0800, John Milford wrote: > > > > > > > > Is there any real interest in moving beyond 1TB? I think that > > > > it would incur a non-trival overhead as I believe that unsigned ints > > > > would not work and we would be looking at going to 64 bit values. Or > > > > I guess something could be done to simulate larger sectors, but that > > > > is pure speculation. > > > > > > There should be. The digital library people are talking about tens of > > > petabytes per site and that's probably just the beginning. I think > > > they ordered a petabyte scale array earlier this year. Obviously we'd > > > like FreeBSD to be able to play with those. ;-) > > > > Ok, what I was getting at is that 1TB is a very large > > single filesystem, but I can understand as time goes by this will > > become more important. If it is omething that will really help > > peolple I would be willing to try to do something to fix it, but > > if these types of filesystems are not within reach now, then it > > may be a better use of effort to wait on this issue. > > Joe seem to want one. This size is certaintly within the reach of an > ISP now, and disks just keep getting bigger. My administrative bias is > that partitioning for a reason other then policy should be avoided and > thus I'd love to see filesystem size support keep ahead of volume sizes > where possiable. That said, unless someone gives me a very substantial > amount of money to build a cluster at work, I'm not going to be building > any TB file systems for a few more years. Well, I just wanted the thrill of it. I should be building additional machines throughout the year. If anyone is seriously interested in work on terabyte filesystem issues, I may be able to shanghai one for a month or two and provide access to it. I may even be able to push it over the 2TB mark (barely). I do not have the qualifications or need to be doing this myself, though, alas. 72GB disks will be available later this year. Expect 2.6TB servers. :-) ... Joe ------------------------------------------------------------------------------- Joe Greco - Systems Administrator jgreco@ns.sol.net Solaria Public Access UNIX - Milwaukee, WI 414/342-4847 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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