Does the initramfs image file need to be updated whenever grub.conf is modified?

Posted by javanix on Server Fault See other posts from Server Fault or by javanix
Published on 2013-10-23T22:03:56Z Indexed on 2013/10/24 3:57 UTC
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I am trying to puzzle out a linux boot configuration problem involving legacy grub (0.97), LVM2, and dracut and trying to eliminate a few red herrings.

My trial and error process goes like so:

  1. Modify grub.conf
  2. Install grub.conf into MBR via grub shell
  3. Reboot
  4. Kernel panic

In the interests of removing #4, am I missing a step in which I need to update the initramfs image?

What does the initramfs image contain that might pertain to which filesystems are mounted during boot?

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