Mon Mar 25 09:42:14 2002
From: "Meister, John" 

The following is what I recommend for filesystem sizes on
an HP 9000/800 series.   

The two filesystems that are critical are the / and the /var.  

The 4 gig setup is what I used for a D360.
The 9G setup is what I will use for a K460.  

Installation of HP-UX 11i filesystems is
approximately as follows for a 9G and 4G drive:
	
			   9G	   4G
filesystem	default   setup	 
--------------------------------------------------------------------------
/stand 		  112	  160M	  160M  -  kernel configs lives here
pri swap*        1024	 1024M	 1024M  -  filesystem swap may be added later
/		  140	 1024M	  512M  -  root filesystem - CRITICAL
/tmp		   64	  512M	  512M  -  can be made smaller
/home		   20	    REMOVE    -  not used, link /home to user "raid"
/opt		  976    2048M	 1650M  -  may be smaller, depending on apps
/usr	         1456	 1840M	 1600M  -  static filesystem
/var		  300	 2048M	 1000M  -  CRITICAL filesystem, logs! 
---------------------------------------------------------------
* -swap should be ~ 1x memory, if RAM is limited, increase swap
---------------------------------------------------------------

appx leftover free space: 344M (4gig) 1,824M (9gig)

	remember YMMV :)

If you need to adjust for space you can reduce root down to 256M
safely, I wouldn't go less than that though, you can bring /tmp 
down to the recommened, /opt down to 1024 or the recommended if you're
not installing any apps there, /usr can stay at the recommended.  But I
suggest making a larger /var as it is also used by apps for /var/tmp and
holds your log files.   If someone wants to take over your system they
often try to fill up the / or /var filesystems.  Watch those two systems.

I also recommend moving the root user account into a subdirectory on 
the / filesystem.  Don't move it to a different filesystem though as 
you may not be able to login if the system crashes.  Use /sbin/sh for
root's shell.  Using a shell from a different filesystem could prevent
access. 

hope this helps,
john 


========================================================================
      John Meister      Sr. CAD Sys Admin   Clearview Consulting Technologies 
========================================================================

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