FreeBSD 8.2 Partition Sizing question

Jonathan Vomacka juvix88 at
Thu Sep 15 15:35:03 UTC 2011

Thanks bud.

On 9/15/2011 5:19 AM, f92902 at wrote:
>> There is nothing wrong with having / and /usr on separate
> partitions; in fact, there are some mild advantages to fine-grained
> partitioning for folks who pay attention to their filesystem space
> usage.
> To elaborate on this:
> Assuming you have separate /var, /tmp, /usr and /home partitions,
> the only files that should be on / are:
> 1. Part of base system not in /usr
> 2. Kernels (/boot/kernel)
> 3. root home directory (/root)
> Therefore the size of / does not grow with time on most systems. It
> also tends to be independent of what the system is used for, unlike
> the size of /usr for example.
> On my systems / is between 1.5 gb to 2 gb depending on overall disk
> size. /usr is up to 10 gb on desktop systems.
> A benefit of having / on its own partition is that it becomes much
> harder to run / out of disk space by accident. Checking out source
> trees (/usr/ports, /usr/src), building world (/usr/obj), building
> ports (/usr/ports), running software that uses
> /usr/local/<programname>/logs for storing its log files, etc. all
> have potential to write to /usr if you don't have appropriate
> configuration/symlinks/partitions set up to redirect them to the
> right places. If your /usr is separate from / then running out of
> disk space on /usr is usually harmless.
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