Separate /usr partition

Aaron Konstam akonstam at
Wed Apr 13 21:47:32 UTC 2011

On Wed, 2011-04-13 at 17:00 -0400, Gene Poole wrote:
> If possible, I'd like to jump in on this conversation about a
> separate /usr partition.  I work for a large corporation and we run
> multiple platforms (AIX, HP-UX, RHEL, Solaris) and most, if not all,
> of our servers not only have separate partitions, but separate file
> systems. If you are using LVM, the use of separate file systems make
> for much easier space management ( if /usr starts to run out of space,
> we get alerted and all we have to do is extend the /usr logical
> volume). On RHEL, the default disk definition is /boot; / (root); and
> swap. So we just took it one step further and split up  the root
> directory and file system. And by splitting it up, you can put the
> different file systems on different disk allocations (raid-0; raid-1;
> raid-5; etc.) depending on their uses.  If you take the default disk
> definitions and then add, say, oracle database you get oracle mixed in
> with the OS.  Is this something you really want? 
> This also allows you to move file systems to SAN devices without an
> outage, under VMware. 
> Thanks,
> Gene Poole

Your comments are more relevant to servers than to personal systems in
my experience.
Give all orders verbally. Never write anything down that might go into a
"Pearl Harbor File".
Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam at

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