On Thu, 2011-09-15 at 17:06 +0000, "Jóhann B. Guðmundsson" wrote: > On 09/15/2011 04:11 PM, Michal Schmidt wrote: > > On 09/15/2011 05:54 PM, Ralf Corsepius wrote: > >> On 09/15/2011 09:42 AM, "Jóhann B. Guðmundsson" wrote: > >>> On 09/15/2011 05:25 AM, Ralf Corsepius wrote: > >>>> Anyway, some more figures: On the same machine, bootup times when > >>>> booting from a (slow) external (IDE) USB2 HD: > >>>> - Fedora 15/i386: ca. 135 secs. > >>>> - Ubuntu 11.04/i386: ca. 70 secs. > >>>> > >>>> [Here bootup time: Wirst watch measured time from "grub prompt" to > >>>> "login screen"] > >>>> > >>>> It shows the effect of slow disks (60secs w/ internal HD vs. 2.15 > >>>> minutes w/ USB HD), but raises questions on why Ubuntu appears to be so > >>>> much faster in this configuration. > >>> Could you run systemd-analyze plot> bootup.svg and post it somewhere > >>> online > >> See: http://corsepiu.fedorapeople.org/scratch/bootup-20110915.1.svg > > From the long delay before swap.target is reached it seems that your > > defined swap partition never comes up and systemd times out waiting on it. > > If you dont use any lvm, raid and encrypted devices, you can safely turn > off all fedora-* services > ( Anaconda (F16) finally offers desktop users an easy way to opt out > from lvm without being partitioning experts ) > > #cd /lib/systemd/system > #for i in fedora-*; do ln -s /dev/null /etc/systemd/system/$i;done > > We throw in udev-settle since it gets pulled in by the storage setup > #ln -s /dev/null /etc/systemd/system/udev-settle.service > > If you want speed not eye candy you can disable plymouth > > #cd /lib/systemd/system > #for i in plymouth-*; do ln -s /dev/null /etc/systemd/system/$i;done > > Then proceeding disabling all the service you dont use. > > #for i in service1 service2 service3 etc... ; do systemctl disable $i ;done Harald Hoyer made a nice "guide" on this topic: http://www.harald-hoyer.de/personal/blog/fedora-15-boot-optimization -- Vratislav Podzimek -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
