Thanks for your reply. I have, however, already spent hours on support
sites only to have found no solutions but, instead, other reports of other
users with the exact same problem, specifically regarding nfs no longer
working on 22.04 with legacy nas units.

Tom

On Tue, Jan 3, 2023 at 6:10 PM Chris Guiver <email address hidden>
wrote:

> Thank you for taking the time to report this bug and helping to make
> Ubuntu better.
>
> Bug reporting is mostly about finding & fixing problems thus preventing
> future users from hitting the same bug.
>
> I suspect a Support site would be more appropriate, eg.
> https://answers.launchpad.net/ubuntu. You can also find help with your
> problem in the support forum of your local Ubuntu community
> http://loco.ubuntu.com/ or asking at https://askubuntu.com or
> https://ubuntuforums.org, or for more support options please look at
> https://discourse.ubuntu.com/t/community-support/709
>
> ** Package changed: linux (Ubuntu) => nfs-utils (Ubuntu)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2001558
>
> Title:
>   legacy nas units fail using 22.04 mount cifs and nfs
>
> Status in nfs-utils package in Ubuntu:
>   New
>
> Bug description:
>   My legacy nas units are Quantum SnapServers. They can support
>   Microsoft networking and NFS. Using the linux mount cifs utilities, I
>   can access the Microsoft-networking server and everything works (ls,
>   mkdir, touch, rm, etc) but I cannot write to a file no mattter what
>   options I try. Using 20.04, I could access the nfs server thru linux
>   mount nfs and everything worked. After upgrading to 22.04, I lost nfs
>   access to the nas.
>
>   I am unable to make any software changes to the nas units.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 22.04
>   Package: linux-image-5.15.0-56-generic 5.15.0-56.62
>   ProcVersionSignature: Ubuntu 5.15.0-56.62-generic 5.15.64
>   Uname: Linux 5.15.0-56-generic x86_64
>   ApportVersion: 2.20.11-0ubuntu82.3
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  tom        1534 F.... pulseaudio
>   CRDA: N/A
>   CasperMD5CheckResult: unknown
>   CurrentDesktop: ubuntu:GNOME
>   Date: Tue Jan  3 15:48:23 2023
>   HotplugNewDevices:
>
>   HotplugNewMounts:
>
>   InstallationDate: Installed on 2021-01-11 (721 days ago)
>   InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64
> (20200731)
>   MachineType: Dell Inc. OptiPlex 780
>   ProcEnviron:
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB: 0 i915drmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-56-generic
> root=UUID=d2457659-a716-47d5-aa0c-1c2a3fb6edf8 ro quiet splash vt.handoff=7
>   RelatedPackageVersions:
>    linux-restricted-modules-5.15.0-56-generic N/A
>    linux-backports-modules-5.15.0-56-generic  N/A
>    linux-firmware
>  20220329.git681281e4-0ubuntu3.7
>   RfKill:
>    0: phy0: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
>   SourcePackage: linux
>   Symptom: storage
>   UdevMonitorLog:
>    monitor will print the received events for:
>    UDEV - the event which udev sends out after rule processing
>   UdisksMonitorLog:
>    Monitoring the udisks daemon. Press Ctrl+C to exit.
>    15:49:20.493: The udisks-daemon is running (name-owner :1.14).
>   UpgradeStatus: Upgraded to jammy on 2022-12-31 (3 days ago)
>   dmi.bios.date: 04/30/2010
>   dmi.bios.release: 5.0
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: A04
>   dmi.board.name: 03NVJ6
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A00
>   dmi.chassis.type: 15
>   dmi.chassis.vendor: Dell Inc.
>   dmi.modalias:
> dmi:bvnDellInc.:bvrA04:bd04/30/2010:br5.0:svnDellInc.:pnOptiPlex780:pvr:rvnDellInc.:rn03NVJ6:rvrA00:cvnDellInc.:ct15:cvr:sku:
>   dmi.product.name: OptiPlex 780
>   dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/2001558/+subscriptions
>
>