Date: Thu, 14 Apr 2005 14:18:55 -0700 From: Benson Wong <tummytech@gmail.com> To: Nick Pavlica <linicks@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: 5.8TB RAID5 SATA Array Questions Message-ID: <860807bf05041414183d26c683@mail.gmail.com> In-Reply-To: <dc9ba04405041412497adcfd59@mail.gmail.com> References: <20050414104354.D30DC341FD@mxc1.crockettint.com> <860807bf0504141144550c3072@mail.gmail.com> <dc9ba04405041412497adcfd59@mail.gmail.com>
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>From my experience mucking around with UFS1/UFS2 this is what I learned. On UFS2 the largest filesystem you can have is 2TB. I tried with a 2.2TB and it wouldn't handle it. I read somewhere that with UFS2 you have 2^(32-1) 1K-blocks and UFS1 supports 2^(31-1) 1K blocks per filesystem. That is essentially a 2TB max file system for UFS2 and a 1TB filesystem for UFS1. Ben =20 On 4/14/05, Nick Pavlica <linicks@gmail.com> wrote: > > Is there any limitations that would prevent a single volume that large? > (if > > I remember there is a 2TB limit or something) > 2TB is the largest for UFS2. 1TB is the largest for UFS1. > =20 > Is the 2TB limit that you mention only for x86? This file system > comparison lists the maximum size to be much larger > (http://en.wikipedia.org/wiki/Comparison_of_file_systems). > =20 > --Nick > =20 --=20 blog: http://benzo.tummytoons.com site: http://www.thephpwtf.com
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