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Improper shutdown of system / Fragmentation Problems / Boot logs



On 08/06/04 02:21 -0400, Bruce Hunter wrote:
> This is off topic, I was wondering if there is a pretty little gui that
> will run when booting. Kinda like windows, lindows, and even Redhat
> Fedora has one; which can be switched back and forth. Basically, so I
> don't have to see the text scrolling down and just see a loader with %.
> Maybe in the ports collection? If not I might have write one. :oP

Hi Bruce,
Here are the first 2 google results for 'FreeBSD boot splash'
http://www.baldwin.cx/splash/
http://students.seattleu.edu/hodeleri/FreeBSD/boot.html

If you want a graphical boot manager, install grub from ports. This is
the boot manager that most Linux distros use, and it's easy to insert
your own nifty splash screen in the background.
 
> Oh, and thanks for your comments/answers. One last question thought? How
> do I get rid of that fragmentation crap? Just for shits and giggles..
> ;o)
> 
> Bruce

Why would you want to? I imagine that you would change the source
somewhere in /usr/src/sys. I'm not intimate with the source other than
your basic make world, so I couldn't tell you where.

One other thing that was not mentioned is that the FreeBSD kernel will
change the way files are stored on disk if it notices that the fs is
getting too fragmented. You will see some kernel message like '/kernel
fs: optimization changed from TIME to SPACE'. When the fs is no longer
fragmented the kernel switches back to the time optimization. I don't
really remember the exact message, since I haven't seen it in a while. 

Cheers,
Jason

> 
> On Tue, 2004-06-08 at 02:09, Murray Taylor wrote:
> > Fragmentation is a non-event in 99.999% of cases. It is nothing like 
> > micro$lop fragments and (before you ask, no there is no defrag tool,
> > 'cos it is not required)
> > 
> > The shutdown question -- well you should not shutdown incorrectly ;-)
> > - see man shutdown   and friends
> > (BTW - letting the FreeBSD box run and run and run wont hurt anything.
> > I'm currently up to 72 days uptime since I last updated the system, and
> > we had a machine that got to 698 days here at work .. we had to move
> > buildings and thus shut it down..)
> > 
> > for the last question the file you want is 
> > 
> > /var/run/dmesg.boot
> > 
> > which is the boot output from the most recent boot.
> > 
> > You can also see it by issuing the command 
> > dmesg
> > but the display that this one shows can get over written as the system
> > does other log messages.
> > 
> > Hope this helps
> > mjt
> > 
> > 
> > On Tue, 2004-06-08 at 16:01, Bruce Hunter wrote:
> > > I am kinda new to FBSD, still kinda learning stuff. Anyway, when my
> > > system boots i see all kinda fragmentation information. How do I correct
> > > this? Any good reading material? Also, what should I do when I shutdown
> > > my system incorrectly and boot up again? Last questions! I promise. Is
> > > there a file that shows the data printed to screen durning boot?
> > > Probably, a log file.
> > > 
> > > Thanks guys,
> > > Bruce
> > > 
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