Date: Tue, 30 Mar 2004 21:39:08 -0800 From: Mark Mayo <mark@vmunix.com> To: Sean Chittenden <sean@chittenden.org> Cc: "Database@BSD" <freebsd-database@freebsd.org> Subject: Re: Largest Disk Partition Message-ID: <20040331053908.GA45657@vmunix.com> In-Reply-To: <06166A08-82A6-11D8-BE7B-000A95C705DC@chittenden.org> References: <4069F521.9060704@cs.uiowa.edu> <06166A08-82A6-11D8-BE7B-000A95C705DC@chittenden.org>
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I know the underlying VM system has been able to cross the 2TB barrier for quite some time, but can SCSI LUNs be bigger than 2TB now? -Mark On Tue, Mar 30, 2004 at 03:57:38PM -0800, Sean Chittenden wrote: > >What it the largest disk partition that FreeBSD can support? > > FreeBSD 5 uses UFS2 which uses signed 64bit sizes: > > irb(main):001:0> max = 2 ** 63 > => 9223372036854775808 bytes > irb(main):002:0> max /= 1024 > => 9007199254740992 kilobytes > irb(main):003:0> max /= 1024 > => 8796093022208 megabytes > irb(main):004:0> max /= 1024 > => 8589934592 gigabytes > irb(main):005:0> max /= 1024 > => 8388608 terabytes > irb(main):006:0> max /= 1024 > => 8192 petabytes > > It's bigger than any existing hardware can support. :) -sc > > -- > Sean Chittenden > > _______________________________________________ > freebsd-database@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-database > To unsubscribe, send any mail to "freebsd-database-unsubscribe@freebsd.org" -- Mark Mayo <mark@vmunix.com> http://www.vmunix.com/~mark PGP Fingerprint: 32BA C076 D78C 109B 2558 25E5 0CCE C6C1 262E 28AF Commitment, n.: Commitment can be illustrated by a breakfast of ham and eggs. The chicken was involved, the pig was committed.
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