** Tags removed: server-todo
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Title:
nfsver=3,udp not working anymore
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yes, this was a typo... of course I meant disabled UDP NFS mounting.
And regarding the 2nd point we have the same understanding.
So since "old" clients are still able to mount the NFS shares via nfs3 over udp
on jammy servers, I would not flip the kernel config
CONFIG_NFS_DISABLE_UDP_SUPPORT bac
> This disabled NFS3 support seems only to affect the client part of
the kernel-module.
NFSv3 is fine, it's udp that is disabled in the kernel (I think you
understood that, and above is just a typo, but clarifying nonetheless).
Clients running a kernel with CONFIG_NFS_DISABLE_UDP_SUPPORT=y shoul
I am currently very confused. I restored the snapshots of my test VMs
from yesterday and now I can mount the NFS-shares on the jammy server on
all clients (Knoppix, Ubuntu 18.04) with nfs3+udp after putting "udp=y"
in /etc/nfs.conf, also with the last kernel version 5.15.0-18.
Yesterday in all my
Are you sure it's using udp? Did you confirm with /proc/mounts or mount
output? I didn't get it to work, not even with a focal server, and the
kernel option disabling UDP sounds very adamant.
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I added this to the Jammy 22.04 release notes at
https://discourse.ubuntu.com/t/jammy-jellyfish-release-notes/24668
If it's decided to flip this option before release, please remove that
release notes remark.
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I just updated linux-image-5.15.0-18-generic to today's new version
linux-image-5.15.0-22-generic.
Now with enabling "udp=y" in /etc/nfs.conf and the new kernel version I can
mount
the nfs-share on the jammy server from the koppix pxe initdrd (busybox mount)
with nfs version 3 and udp.
Only mou
This was first disabled on groovy, the first ubuntu release after focal:
root@g1:~# grep NFS /boot/config-5.8.0-59-generic |grep UDP
CONFIG_NFS_DISABLE_UDP_SUPPORT=y
The upstream help text next to that kernel option says:
"""
Choose Y here to disable the use of NFS over UDP. NFS over UDP
on moder
Found this in /boot/config-$(uname -r):
CONFIG_NFS_DISABLE_UDP_SUPPORT=y
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Title:
nfsver=3,udp not working anymore
To manage notifications about
I restored nfs-utils 1.x in the jammy client, and tried to mount again.
It still fails. I don't think this is an nfs-utils problem:
ubuntu@j-nfs-dep8:~$ dpkg -l|grep nfs
ii libnfsidmap2:amd64 0.25-6build1 amd64
NFS idmapping library
ii nfs-common
Using focal as a server, jammy still cannot mount an export using udp,
but the other way around works: focal client can mount nfs share from
jammy using udp. So this seems a client problem.
** Changed in: nfs-utils (Ubuntu)
Status: New => Won't Fix
** Changed in: nfs-utils (Ubuntu)
Taking a look at this, most curious:
# mount localhost:/storage /mnt -o vers=3,proto=udp
mount.nfs: an incorrect mount option was specified
root@j-nfs-dep8:~# mount localhost:/storage /mnt -v -o vers=3,proto=udp
mount.nfs: timeout set for Tue Mar 8 14:59:11 2022
mount.nfs: trying text-based optio
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