{{tag>Brouillon Redhat Boot}} # Notes kdump Voir : * [Kdump](https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s2-kdump-configuration-testing.html) * http://fr.slideshare.net/BulandSingh/referenceguidekernelcrashdumpanalysis `/etc/default/grub` ~~~ini #GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet" GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb crashkernel=128M" ~~~ ~~~bash cp -p /boot/grub2/grub.cfg /boot/grub2/grub.cfg.bak grub2-mkconfig > /boot/grub2/grub.cfg ~~~ `/etc/kdump.conf` ~~~ default reboot ~~~ ~~~bash reboot ~~~ ~~~bash systemctl status kdump ~~~ ## Autres Serveur ~~~bash fence_kdump -o off --nodename=node1 ~~~ Client ~~~bash /usr/libexec/fence_kdump_send -i 5 -c 1 node1 ~~~ ## Test Crash ~~~bash echo 1 > /proc/sys/kernel/sysrq echo c > /proc/sysrq-trigger ~~~ ~~~bash ls -lrt /var/crash/ ~~~