initrd image having the system drivers loading to initialize the hardware’s. Initrd image got corrupted and unable to boot the server. How to re-create initrd image and boot up the server?
Initrd is available in /boot FS with initramfs-`uname -r`.img
Rebuild the initramfs for the current kernel version:
# dracut -f -v
kernel version different to the initrd you are building
# dracut -f /boot/initramfs-2.6.32-220.7.1.el6.x86_64.img 2.6.32-220.7.1.el6.x86_64