Date: Sat, 31 Jan 2004 14:03:38 +0100 From: Bernd Walter <ticso@cicely12.cicely.de> To: Oliver Brandmueller <ob@e-Gitt.NET> Cc: current@freebsd.org Subject: Re: max blockdevice/filesystem size? Message-ID: <20040131130337.GH774@cicely12.cicely.de> In-Reply-To: <20040131114548.GA2632@e-Gitt.NET> References: <20040130115025.GB96881@e-Gitt.NET> <200401310143.51186.freebsd-current@webteckies.org> <20040131114548.GA2632@e-Gitt.NET>
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On Sat, Jan 31, 2004 at 12:45:48PM +0100, Oliver Brandmueller wrote: > Hi. > > On Sat, Jan 31, 2004 at 01:43:50AM +0100, Melvyn Sopacua wrote: > > > Since the information in the FAQ seems rather outdated, can someone tell > > > me, what the maximum size of a UFS2/ffs filesystem is with FreeBSD 5.2? > > > I'm looking for practical values. Something like: OK, we hit the max > > > size of a SCSI device, so we use some more of them and vinum. How much > > > TB would work in a single FS? > > > > See this thread for detailed information: > > http://lists.freebsd.org/mailman/htdig/freebsd-current/2004-January/thread.html#19314 > > Well, I've seen that read earlier, but well it talks a lot about the > limits of UFS1 and FBSD 4 - which are by far too low. Plans here were > something about 10 TB as a first step. Due to the nature of data and how > they are accessed it's not really simple to split them up into different > filesystems, as it's not easy to predict which parts grow most. > > > Well, would a 10 TB fs work out of the Box with 5.2? One point for a 10T UFS2 filesystem is a limit of 2G inodes. Someone mentioned a problem in another thread with more inodes. Another point is the fsck memory footprint when checking such a filesystem - that should very much depend on your newfs args and number of files. Otherwise it should just work. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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