Date: Fri, 21 Sep 2007 09:31:27 -0400 From: Gary Palmer <gpalmer@freebsd.org> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: Writing contigiously to UFS2? Message-ID: <20070921133127.GB46759@in-addr.com> In-Reply-To: <fd0gk8$f0d$2@sea.gmane.org> References: <46F3A64C.4090507@fluffles.net> <46F3B4B0.40606@freebsd.org> <fd0em7$8hn$1@sea.gmane.org> <20070921131919.GA46759@in-addr.com> <fd0gk8$f0d$2@sea.gmane.org>
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On Fri, Sep 21, 2007 at 03:23:20PM +0200, Ivan Voras wrote: > Gary Palmer wrote: > > >Presumably by using the -c parameter to newfs. > > Hm, I'll try it again later but I think I concluded that -c can be used > to lower the size of cgs, not to increase it. A CG is basically an inode table with a block allocation bitmap to keep track of what disk blocks are in use. You might have to use the -i parameter to increase the expected average file size. That should allow you to increase the CG size. Its been a LONG time since I looked at the UFS code, but I suspect the # of inodes per CG is probably capped.
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