Date: Thu, 3 Apr 2003 10:00:00 +0100 (BST) From: Jan Grant <Jan.Grant@bristol.ac.uk> To: Heinrich Rebehn <rebehn@ant.uni-bremen.de> Cc: questions@freebsd.org Subject: Re: newfs parameters for a 500 GB volume ? Message-ID: <Pine.GSO.4.44.0304030957530.22089-100000@mail.ilrt.bris.ac.uk> In-Reply-To: <3E8BD9F7.4050404@ant.uni-bremen.de>
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On Thu, 3 Apr 2003, Heinrich Rebehn wrote: > Hi, > > I am repeating the post below, because it obviously hasn't made it to > the list (at least i did not get it back from the list). > > Can someone please give me some advice, because i will be setting up the > discs today. > > Thank you > > > Hi, > > I am going to set up a RAID 0 array with two 250G drives, making 500G. > Which newfs parameters would you recommend for it? As many cylinders per group as possible. I think newfs has an "infinity" setting to pick the right number. > I am afraid of ending up with a fs with Gigs of space and no inodes > left, or a fs that is heavily fragmented and slow. > Reading the newfs manpage didn't quit help me, it explains all switches > The files on the volume will be 2 MB average. There's a "bytes per inode" setting that you can plug this figure into. You might want to be a little more generous with inodes than that (give yourself some elbow room). You need inodes for symlinks and directories too. > Thank you for any suggestions or pointers. > > -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ "...perl has been dead for more than 4 years." - Abigail in the Monastery
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