Is it possible to boot Debian Wheezy from NFS v4?

Bootwing with NFS v3 works just fine. NFS v4 not.

This is in my /etc/exports:


/nfs/root/www contains the root of the webserver.

The commandline is:

rootfstype=nfs4 root=/dev/nfs4 nfsroot=

fails with mount call failed - server replied: Permission denied.

Mounting from the busybox in the initrd fails:

mount -t nfs4 /root
mounting .. failed: Invalid argument

Do I need to modify the initrd?

  • 1
    It's not a direct solution, but have you considered using iPXE? You can boot off a webserver or iSCSI target. You can chainload it, so you do not need to modify any NIC firmware, and so you can boot VMs from it too. ipxe.org – paradroid Apr 14 '12 at 16:28

I think you have to create a initrd with nfs4 mount utils in it. Or maybe try this: http://packages.debian.org/squeeze/dracut.

  • Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Scott Pack Oct 23 '12 at 14:32

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