Date: Sat, 13 Aug 2005 23:54:06 -0700 From: Lei Sun <lei.sun@gmail.com> To: questions@freebsd.org Subject: disk fragmentation, <0%? Message-ID: <d396fddf050813235443c72213@mail.gmail.com>
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Hi, I know this question has been raised a lot of times, and most of people don't think it is necessary to defragment ufs, and from the previous posts, I got to know there are sometimes, disksize can be more than 100% But... I got ... /dev/ar0s1a: ... 0.5% fragmentation /dev/ar0s1e: ... 0.0% fragmentation /dev/ar0s1f: ... 0.0% fragmentation /dev/ar0s1d: ... 0.1% fragmentation Filesystem Size Used Avail Capacity Mounted on /dev/ar0s1a 248M 53M 175M 23% / devfs 1.0K 1.0K 0B 100% /dev /dev/ar0s1e 248M -278K 228M -0% /tmp /dev/ar0s1f 221G 1.4G 202G 1% /usr /dev/ar0s1d 248M 30M 197M 13% /var My questions: 1. How do I make /dev/ar0s1a 0.0% fragmentation the clean way? If I really wanted to? 2. How come /tmp is -0% in size? -278K? What had happened? as I have never experienced this in the previous installs on the exact same hardware. Thanks=20 Lei
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