Subject: Re: HDD-woes on Sparcstation 5
To: None <port-sparc@NetBSD.org>
From: Henry Nelson <netb@yuba.ne.jp>
List: port-sparc
Date: 11/20/2006 06:49:42
On Sun, Nov 19, 2006 at 08:30:17AM +0000, David Laight wrote:
> On Sun, Nov 19, 2006 at 08:21:15AM +0900, Henry Nelson wrote:
> > On Sat, Nov 18, 2006 at 01:18:55PM +0100, Victor Lagerkvist wrote:
> > > #        size    offset     fstype [fsize bsize cpg/sgs]
> > >  a:    500000         0     4.2BSD   1024  8192 41672 
> > >  b:    112000    914480       swap                     
> > >  c:   1044960         0     unused      0     0     
> > >  d:    392000    522480     4.2BSD   1024  8192 39200 
> >                                                   ^^^^^
> > How do you calculate "cpg/sgs"?  TIA
> 
> By taking the bottom 16 bits of number of fragments in a 'cylinder group'.

I don't know what that means.  Perhaps an example, please?

(In particular, where/how do you find the value for "number of
fragments"?  I thought fragmentation of a file system increases
with use, or is that another problem entirely?)

-- 
henry nelson
  WWW_HOME=http://yuba(dot)ne(dot)jp/(tilde)home/