Score:0

qnap nfs mounting delays after Ubuntu Updated

us flag

After last Ubuntu Update (20.04 LTS), when I mount my qnap nfs shares:

  1. It delays for several minutes (prior to this, it took 1 second to mount it)
  2. During that "long mounting time"... I can move the mouse but nothing respond to clicks, nor to keystrokes.
  3. I put and "strace -t" but it was not evident where the delay is. All events are reported in the same second.
  4. I have 2 different model Network adapters in the Ubuntu computer, and the behavior is the same mounting through any of them. So that, is not a problem specifically related to the network card.

Any idea?

Score:0
fr flag

This is also happening with Manjaro and OpenSUSE tumbleweed on the latest 5.16 kernels. On these OSes, I had to drop back to an earlier kernel to get QNAP NFS shares working again. My systems can mount nfs shares exported from other, non-Qnap machines, so it looks as though there is some strange incompatibility with the Qnap kernel. I will let you know if I find out anything more.

Score:0
fr flag

Temporary fix: try mounting using NFS 3 (mount -o mountvers=3 ...). This got my client systems working again, but I do not know why.

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