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I am confused to say the least. Where are these files kept?

So, isc-dhcp server, providing network boot and tftp server records. A tftp host providing an initrd and vmlinux image over pxelinux.0. An nfs host providing nfs root to previous vmlinux kernel.

I have an existing kernel and initrd that boot correctly. On the booted client machine there is a literal /boot/ directory with literal files within it. The nfs host does not have any files in its /path/to/nfsroot/boot/ directory. The nfs client can be powered off and on again, and the boot directory will be populated after reboot, the files in the /boot/ directory appear to have no correlation to the tftp provided ones. (Binary files /path/to/tftp/vmlinuz-4.9.0-3-amd64 and /path/to/nfs/boot2/vmlinuz-4.9.0-4-amd64 differ)

I've copied the /boot directory to /boot2 in to identify that someonthing is weird with the /boot directory. There doesn't appear to be a mount line for /boot.


on the nfs host, the boot directory is a mount /dev/sda1 on /path/to/nfs/boot type ext4 (rw,relatime,errors=remount-ro,data=ordered); what possible use is this mount line?, cause sda1 is already mounted to /: /dev/sda1 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered) (I might have caused said weird mount with a messed up bind mount attempt)

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red herring, the boot directory was cleared by a reversed bind mount on the nfs, my bad.

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