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Disabling systemd-udev-settle F18

I use LVM drive still can i disable systemd-udev-settle to optimize boot? following is output of

systemd-analyze

> Startup finished in 1383ms (kernel) + 3176ms (initrd) + 22998ms (userspace) = 27558ms

AND

systemd-analyze blame

  7383ms systemd-udev-settle.service
  4701ms fedora-storage-init.service
  2863ms fedora-loadmodules.service
  2515ms named.service
  1876ms dev-mqueue.mount
  1860ms sys-kernel-debug.mount
  1848ms dev-hugepages.mount
  1769ms fedora-storage-init-late.service
  1755ms tmp.mount
  1747ms systemd-vconsole-setup.service
  1643ms systemd-remount-fs.service
  1483ms systemd-modules-load.service
  1482ms boot.mount
  1462ms lvm2-monitor.service
  1251ms systemd-udev-trigger.service
  1209ms systemd-udevd.service
   943ms colord.service
   742ms fedora-readonly.service
   605ms NetworkManager.service
   479ms systemd-sysctl.service
   472ms chronyd.service
   430ms firewalld.service
   380ms rtkit-daemon.service
   356ms accounts-daemon.service
   308ms gdm.service
   252ms home.mount
   243ms mcelog.service
   235ms restorecond.service
   231ms systemd-logind.service
   228ms abrt-vmcore.service
   208ms sm-client.service
   187ms ksm.service
   185ms abrt-ccpp.service
   178ms sendmail.service
   177ms irqbalance.service
   161ms systemd-readahead-replay.service
   148ms systemd-readahead-collect.service
   148ms systemd-user-sessions.service
    88ms systemd-tmpfiles-setup.service
    87ms sys-kernel-config.mount
    49ms udisks2.service
    47ms auditd.service
    45ms rpcbind.service
    28ms ksmtuned.service
    20ms polkit.service
     8ms upower.service
     5ms sys-fs-fuse-connections.mount

Pls suggest services i can disable