On Wed, Dec 13, 2000 at 11:52:22AM +0200, Martti Kuparinen wrote:

 > "Ok, so boot into single-user mode and use sysctl to increase the
 > nmbclusters and recompile the kernel" I thought. This is what I get:
 > 
 >     # sysctl kern.mbuf.nmbclusters
 >     kern.mbuf.nmbclusters = 256
 >     # sysctl -w kern.mbuf.nmbclusters=1000
 >     sysctl: sysctl() for kern.mbuf.nmbclusters failed: Operation not permited
 >     # sysctl -w kern.mbuf.nmbclusters=256
 >     sysctl: sysctl() for kern.mbuf.nmbclusters failed: Operation not permited
 >     # sysctl kern.securelevel
 >     kern.securelevel = -1
 > 
 > What should I do? I don't like the idea of moving the disk back to the
 > installation PC...

You cannot change this w/ sysctl on a PC.  Only on platforms which use
a direct-mapped segment for mapping the mbuf cluster pages (which the
x86 family cannot do) can you change this with sysctl.

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>